This is a sortable table of the approximately 1,852 townlands in County Monaghan, Ireland. [1] [2]
Duplicate names occur where there is more than one townland with the same name in the county. Names marked in bold typeface are towns and villages, and the word Town appears for those entries in the Acres column.
| Townland | Acres | Barony | Civil parish | Poor law union |
|---|---|---|---|---|
| Acres | 77 | Cremorne | Ballybay | Castleblayney |
| Acres | 46 | Monaghan | Tedavnet | Monaghan |
| Aghabog | 93 | Dartree | Aghabog | Cootehill |
| Aghaboy | 83 | Trough | Donagh | Monaghan |
| Aghaboy | 114 | Monaghan | Kilmore | Monaghan |
| Aghaboy North | 79 | Monaghan | Tedavnet | Monaghan |
| Aghaboy South | 156 | Monaghan | Tedavnet | Monaghan |
| Aghabrick | 34 | Monaghan | Tehallan | Monaghan |
| Aghaclay | 98 | Dartree | Aghabog | Monaghan |
| Aghaclogha | 118 | Monaghan | Tedavnet | Monaghan |
| Aghacloghan | 233 | Farney | Donaghmoyne | Carrickmacross |
| Aghaderry | 214 | Trough | Errigal Trough | Clogher |
| Aghadreenan | 231 | Farney | Donaghmoyne | Castleblayney |
| Aghadrumcru | 69 | Trough | Errigal Trough | Clogher |
| Aghadrumdoney | 111 | Dartree | Currin | Clones |
| Aghadrumkeen | 181 | Dartree | Aghabog | Cootehill |
| Aghadrumkeen | 132 | Dartree | Ematris | Cootehill |
| Aghafad | 103 | Farney | Killanny | Carrickmacross |
| Aghafin | 184 | Dartree | Clones | Clones |
| Aghagally | 83 | Monaghan | Tedavnet | Monaghan |
| Aghagaw | 69 | Dartree | Clones | Clones |
| Aghagaw | 98 | Monaghan | Tedavnet | Monaghan |
| Aghaglass | 130 | Farney | Inishkeen | Dundalk |
| Aghakista | 256 | Cremorne | Aghnamullen | Castleblayney |
| Aghalaverty | 77 | Monaghan | Monaghan | Monaghan |
| Aghalile | 146 | Farney | Magheross | Carrickmacross |
| Aghalisk | 122 | Monaghan | Kilmore | Monaghan |
| Aghaliskeevan | 51 | Trough | Errigal Trough | Monaghan |
| Aghalissabeagh | 93 | Monaghan | Clones | Monaghan |
| Aghalough | 68 | Dartree | Aghabog | Cootehill |
| Aghaloughan | 138 | Trough | Donagh | Monaghan |
| Aghamackalinn | 292 | Trough | Errigal Trough | Clogher |
| Aghanameena | 129 | Monaghan | Tedavnet | Monaghan |
| Aghananimy | 118 | Monaghan | Monaghan | Monaghan |
| Aghareagh | 116 | Dartree | Aghabog | Cootehill |
| Aghareagh East | 294 | Dartree | Currin | Cootehill |
| Aghareagh West | 175 | Dartree | Currin | Clones |
| Aghatamy | 94 | Farney | Magheracloone | Carrickmacross |
| Aghateskin | 105 | Farney | Donaghmoyne | Carrickmacross |
| Aghavilla | 117 | Farney | Donaghmoyne | Carrickmacross |
| Agheeshal | 115 | Farney | Donaghmore | Castleblayney |
| Agheracalkill | 75 | Monaghan | Tedavnet | Monaghan |
| Agherakeltan | 176 | Monaghan | Tedavnet | Monaghan |
| Agheralane | 212 | Cremorne | Ballybay | Castleblayney |
| Aghinillard | 179 | Farney | Magheracloone | Carrickmacross |
| Aghintamy | 104 | Monaghan | Monaghan | Monaghan |
| Aghlattacru | 128 | Farney | Magheracloone | Carrickmacross |
| Aghmakerr | 256 | Cremorne | Aghnamullen | Castleblayney |
| Aghnaclea | 167 | Monaghan | Kilmore | Monaghan |
| Aghnacue | 176 | Dartree | Aghabog | Cootehill |
| Aghnadamph | 497 | Cremorne | Muckno | Castleblayney |
| Aghnafarcan | 135 | Farney | Donaghmoyne | Castleblayney |
| Aghnagap | 88 | Trough | Donagh | Monaghan |
| Aghnagap | 217 | Monaghan | Monaghan | Monaghan |
| Aghnaglosh | 221 | Monaghan | Kilmore | Monaghan |
| Aghnaglosh | 149 | Monaghan | Monaghan | Monaghan |
| Aghnaha | 85 | Trough | Errigal Trough | Monaghan |
| Aghnahola | 93 | Dartree | Currin | Clones |
| Aghnahunshin | 65 | Monaghan | Tedavnet | Monaghan |
| Aghnamallagh | 237 | Monaghan | Drumsnat | Monaghan |
| Aghnamard | 55 | Dartree | Killeevan | Clones |
| Aghnamullen | 173 | Cremorne | Aghnamullen | Cootehill |
| Aghnasedagh | 458 | Monaghan | Monaghan | Monaghan |
| Aghnashalvy | 33 | Monaghan | Clones | Monaghan |
| Aghnaskea | 51 | Dartree | Killeevan | Clones |
| Aghnaskew | 162 | Cremorne | Aghnamullen | Castleblayney |
| Aghnaskew | 264 | Dartree | Currin | Clones |
| Aghnavar | 53 | Trough | Errigal Trough | Clogher |
| Aghnmeal | 140 | Cremorne | Clontibret | Monaghan |
| Alkill | 124 | Cremorne | Tehallan | Monaghan |
| Allagesh | 284 | Monaghan | Tedavnet | Monaghan |
| Alsmead | 281 | Cremorne | Muckno | Castleblayney |
| Altartate Glebe | 228 | Dartree | Clones | Clones |
| Alts | 129 | Farney | Magheracloone | Carrickmacross |
| Annacatty | 115 | Trough | Donagh | Monaghan |
| Annacramph | 135 | Monaghan | Tehallan | Monaghan |
| Annacroff | 322 | Farney | Killanny | Carrickmacross |
| Annadrumman | 190 | Cremorne | Clontibret | Castleblayney |
| Annagally | 149 | Monaghan | Tedavnet | Monaghan |
| Annagerril | 124 | Farney | Donaghmoyne | Carrickmacross |
| Annagh | 301 | Cremorne | Clontibret | Monaghan |
| Annagh | 37 | Monaghan | Drumsnat | Monaghan |
| Annagh | 176 | Trough | Errigal Trough | Monaghan |
| Annaghbeg | 64 | Trough | Donagh | Monaghan |
| Annaghbrack | 82 | Monaghan | Drumsnat | Monaghan |
| Annagheane | 166 | Dartree | Currin | Clones |
| Annaghervy | 67 | Monaghan | Kilmore | Monaghan |
| Annaghkilly | 246 | Dartree | Clones | Clones |
| Annaghmartin | 150 | Monaghan | Drumsnat | Monaghan |
| Annaghraw | 112 | Dartree | Drummully | Clones |
| Annaghybane | 169 | Dartree | Ematris | Cootehill |
| Annaghyduff | 162 | Dartree | Ematris | Cootehill |
| Annagleve | 384 | Cremorne | Clontibret | Castleblayney |
| Annaglogh | 293 | Cremorne | Clontibret | Castleblayney |
| Annagola | 138 | Trough | Donagh | Monaghan |
| Annagola | 44 | Monaghan | Kilmore | Monaghan |
| Annagose | 272 | Dartree | Aghabog | Clones |
| Annahagh | 161 | Monaghan | Monaghan | Monaghan |
| Annahagh | 143 | Monaghan | Tedavnet | Monaghan |
| Annahagh North | 47 | Monaghan | Clones | Monaghan |
| Annahagh South | 121 | Monaghan | Clones | Monaghan |
| Annahaia | 111 | Farney | Donaghmoyne | Carrickmacross |
| Annahaia | 138 | Cremorne | Aghnamullen | Castleblayney |
| Annahale | 146 | Cremorne | Clontibret | Castleblayney |
| Annahean | 389 | Farney | Killanny | Carrickmacross |
| Annahuby | 134 | Cremorne | Clontibret | Monaghan |
| Annalittin | 299 | Cremorne | Clontibret | Castleblayney |
| Annamacneill | 208 | Monaghan | Tullycorbet | Monaghan |
| Annamakiff | 93 | Dartree | Killeevan | Clones |
| Annamarran | 279 | Farney | Killanny | Carrickmacross |
| Annaneese | 190 | Cremorne | Ballybay | Castleblayney |
| Annareagh North | 67 | Trough | Donagh | Monaghan |
| Annareagh South | 244 | Trough | Donagh | Monaghan |
| Annaroe | 124 | Monaghan | Monaghan | Monaghan |
| Annaseeragh | 128 | Cremorne | Clontibret | Monaghan |
| Annaveagh | 162 | Dartree | Currin | Clones |
| Annayalla | 361 | Cremorne | Clontibret | Castleblayney |
| Annies | 268 | Dartree | Currin | Clones |
| Anny | 161 | Farney | Donaghmoyne | Carrickmacross |
| Anny | 467 | Cremorne | Aghnamullen | Cootehill |
| Annyalty | 129 | Monaghan | Tedavnet | Monaghan |
| Annyart | 297 | Cremorne | Muckno | Castleblayney |
| Annyeeb | 76 | Monaghan | Tedavnet | Monaghan |
| Annyerk | 132 | Monaghan | Tedavnet | Monaghan |
| Anveyerg | 205 | Cremorne | Aghnamullen | Castleblayney |
| Arclintagh | 145 | Cremorne | Clontibret | Monaghan |
| Ardaghy | 320 | Monaghan | Monaghan | Monaghan |
| Ardaghy Kill | 100 | Monaghan | Monaghan | Monaghan |
| Ardginny | 98 | Trough | Errigal Trough | Clogher |
| Ardkirk | 134 | Farney | Donaghmoyne | Castleblayney |
| Ardkirk | 62 | Trough | Errigal Trough | Clogher |
| Ardnasallem | 116 | Trough | Donagh | Monaghan |
| Ardragh | 469 | Farney | Magheross | Carrickmacross |
| Astrish Beg | 37 | Trough | Errigal Trough | Monaghan |
| Astrish More | 77 | Trough | Errigal Trough | Monaghan |
| Attiduff | 97 | Dartree | Ematris | Cootehill |
| Attiduff | 74 | Trough | Errigal Trough | Monaghan |
| Aughnacloy | 172 | Monaghan | Drumsnat | Monaghan |
| Aughrim Beg | 160 | Farney | Donaghmoyne | Carrickmacross |
| Aughrim More | 227 | Farney | Donaghmoyne | Carrickmacross |
| Availabane | 167 | Cremorne | Clontibret | Monaghan |
| Avalreagh | 343 | Cremorne | Clontibret | Monaghan |
| Balladian | 270 | Cremorne | Ballybay | Castleblayney |
| Ballagh | 235 | Monaghan | Drumsnat | Monaghan |
| Ballaghnagearn | 142 | Farney | Magheracloone | Carrickmacross |
| Ballakelly | 136 | Farney | Inishkeen | Dundalk |
| Ballingarry | 150 | Farney | Killanny | Carrickmacross |
| Ballintoppan | 83 | Dartree | Clones | Monaghan |
| Ballintra | 113 | Farney | Inishkeen | Dundalk |
| Ballybay | Town | Cremorne | Ballybay | Castleblayney |
| Ballycartlan | 159 | Farney | Magheracloone | Carrickmacross |
| Ballycronog | 69 | Monaghan | Monaghan | Monaghan |
| Ballygreany | 160 | Cremorne | Clontibret | Monaghan |
| Ballyleck | 155 | Monaghan | Kilmore | Monaghan |
| Ballyloughan | 173 | Farney | Magheracloone | Carrickmacross |
| Ballymacforban | 109 | Monaghan | Monaghan | Monaghan |
| Ballynagarry | 166 | Monaghan | Kilmore | Monaghan |
| Ballynahone | 300 | Trough | Errigal Trough | Monaghan |
| Ballynure | 150 | Dartree | Killeevan | Clones |
| Ballyrush | 99 | Farney | Inishkeen | Dundalk |
| Bannaghbane | 150 | Monaghan | Kilmore | Monaghan |
| Bannaghroe | 141 | Monaghan | Kilmore | Monaghan |
| Barndonagh | 115 | Farney | Magheross | Carrickmacross |
| Barratitoppy Lower | 265 | Monaghan | Tedavnet | Monaghan |
| Barratitoppy Upper | 657 | Monaghan | Tedavnet | Monaghan |
| Beagh | 130 | Farney | Donaghmoyne | Carrickmacross |
| Beagh | 174 | Farney | Magheracloone | Carrickmacross |
| Beagh | 152 | Farney | Magheross | Carrickmacross |
| Beagh | 311 | Cremorne | Aghnamullen | Castleblayney |
| Beagh | 82 | Monaghan | Monaghan | Monaghan |
| Beagh (Kearns) | 118 | Monaghan | Monaghan | Monaghan |
| Belderg | 81 | Trough | Donagh | Monaghan |
| Bellanagall | 109 | Monaghan | Monaghan | Monaghan |
| Bellanaman | 72 | Trough | Donagh | Monaghan |
| Bellanode | Town | Monaghan | Tedavnet | Monaghan |
| Bellatrain | Town | Cremorne | Aghnamullen | Castleblayney |
| Billary | 60 | Dartree | Clones | Clones |
| Billeady | 237 | Cremorne | Clontibret | Castleblayney |
| Billis | 252 | Trough | Donagh | Monaghan |
| Billises | 115 | Monaghan | Tedavnet | Monaghan |
| Binmore | 133 | Cremorne | Aghnamullen | Castleblayney |
| Black Island | 109 | Cremorne | Muckno | Castleblayney |
| Black Island | 194 | Dartree | Ematris | Cootehill |
| Blackraw | 341 | Monaghan | Drumsnat | Monaghan |
| Blittoge | 171 | Farney | Donaghmoyne | Carrickmacross |
| Bocks Lower | 316 | Farney | Donaghmoyne | Carrickmacross |
| Bocks Middle | 255 | Farney | Donaghmoyne | Carrickmacross |
| Bocks Upper | 336 | Farney | Donaghmoyne | Carrickmacross |
| Boraghy | 188 | Cremorne | Aghnamullen | Castleblayney |
| Bough | 140 | Monaghan | Tedavnet | Monaghan |
| Boughill | 167 | Dartree | Killeevan | Clones |
| Boughkeel | 64 | Monaghan | Tedavnet | Monaghan |
| Bowelk | 129 | Cremorne | Aghnamullen | Cootehill |
| Boyher | 149 | Dartree | Ematris | Cootehill |
| Brackagh | 160 | Cremorne | Clontibret | Castleblayney |
| Brackagh | 201 | Farney | Donaghmoyne | Castleblayney |
| Brackagh | 179 | Trough | Errigal Trough | Monaghan |
| Brackly | 171 | Farney | Donaghmoyne | Carrickmacross |
| Brackly | 331 | Cremorne | Aghnamullen | Castleblayney |
| Braddocks | 183 | Monaghan | Tullycorbet | Monaghan |
| Bragan | 2,359 | Trough | Errigal Trough | Clogher |
| Brandrum | 215 | Monaghan | Kilmore | Monaghan |
| Bree | 152 | Cremorne | Muckno | Castleblayney |
| Briscarnagh | 253 | Dartree | Currin | Cootehill |
| Brookvale | 67 | Monaghan | Drumsnat | Monaghan |
| Bryanlitter | 223 | Cremorne | Clontibret | Monaghan |
| Bullogbrean | 255 | Dartree | Clones | Clones |
| Burdautien | 113 | Dartree | Clones | Clones |
| Cabragh | 307 | Cremorne | Ballybay | Castleblayney |
| Cabragh | 122 | Monaghan | Drumsnat | Monaghan |
| Caddagh | 296 | Cremorne | Tullycorbet | Monaghan |
| Caldavnet | 143 | Monaghan | Tedavnet | Monaghan |
| Calliagh | 237 | Dartree | Aghabog | Monaghan |
| Callowhill | 178 | Dartree | Currin | Clones |
| Camaghy | 272 | Farney | Magheracloone | Carrickmacross |
| Camla | 154 | Monaghan | Monaghan | Monaghan |
| Candlefort | 127 | Farney | Inishkeen | Dundalk |
| Cappagh | 52 | Dartree | Clones | Clones |
| Cappagh (Kilgorially) | 70 | Dartree | Clones | Clones |
| Cappog | 87 | Dartree | Killeevan | Clones |
| Cappog | 112 | Monaghan | Tedavnet | Monaghan |
| Capragh | 147 | Farney | Donaghmoyne | Carrickmacross |
| Cargaghbane | 238 | Cremorne | Aghnamullen | Castleblayney |
| Cargaghdoo | 302 | Cremorne | Aghnamullen | Castleblayney |
| Cargaghlisnanarney | 194 | Farney | Donaghmoyne | Carrickmacross |
| Cargaghmore | 264 | Farney | Magheross | Carrickmacross |
| Cargaghoge | 568 | Farney | Magheross | Carrickmacross |
| Cargaghramer | 198 | Monaghan | Tullycorbet | Monaghan |
| Carn | 145 | Dartree | Clones | Clones |
| Carn | 319 | Dartree | Aghabog | Monaghan |
| Carn | 60 | Monaghan | Tehallan | Monaghan |
| Carnaveagh | 458 | Cremorne | Aghnamullen | Castleblayney |
| Carnbane | 82 | Monaghan | Drumsnat | Monaghan |
| Carneys Island | 109 | Dartree | Clones | Clones |
| Carnowen | 144 | Dartree | Killeevan | Clones |
| Carnquill | 157 | Monaghan | Tedavnet | Monaghan |
| Carnroe | 622 | Dartree | Currin | Clones |
| Carolina | 152 | Dartree | Aghabog | Cootehill |
| Carrachor | 63 | Monaghan | Tedavnet | Monaghan |
| Carrickaderry | 194 | Cremorne | Clontibret | Monaghan |
| Carrickadooey | 266 | Farney | Magheross | Carrickmacross |
| Carrickagarvan | 185 | Cremorne | Clontibret | Castleblayney |
| Carrickaldragh | 229 | Cremorne | Aghnamullen | Castleblayney |
| Carrickanoran | 139 | Monaghan | Monaghan | Monaghan |
| Carrickanure | 225 | Cremorne | Clontibret | Monaghan |
| Carrickartagh | 354 | Farney | Magheross | Carrickmacross |
| Carrickashedoge | 249 | Farney | Magheracloone | Carrickmacross |
| Carrickaslane | 517 | Cremorne | Muckno | Castleblayney |
| Carrickatee | 594 | Cremorne | Aghnamullen | Castleblayney |
| Carrickaveilty | 392 | Cremorne | Aghnamullen | Castleblayney |
| Carrickavoley | 101 | Farney | Donaghmoyne | Carrickmacross |
| Carrickinare | 479 | Cremorne | Ballybay | Castleblayney |
| Carricklane | 110 | Farney | Donaghmoyne | Carrickmacross |
| Carrickmaclim | 217 | Farney | Magheross | Carrickmacross |
| Carrickmacross | Town | Farney | Magheross | Carrickmacross |
| Carrickmore | 128 | Dartree | Clones | Clones |
| Carricknagoan | 143 | Farney | Magheracloone | Carrickmacross |
| Carrickykelly | 290 | Farney | Inishkeen | Dundalk |
| Carrigans | 142 | Trough | Donagh | Monaghan |
| Carrivetragh | 181 | Dartree | Clones | Clones |
| Carrowbarra | 78 | Monaghan | Clones | Monaghan |
| Carrowbarra Island | 22 | Monaghan | Clones | Monaghan |
| Carrowhatta | 127 | Monaghan | Tedavnet | Monaghan |
| Carrowkeel | 138 | Monaghan | Tehallan | Monaghan |
| Carsan | 161 | Dartree | Ematris | Cootehill |
| Cashel | 549 | Cremorne | Clontibret | Castleblayney |
| Cashlan | 201 | Dartree | Killeevan | Monaghan |
| Cashlan East | 143 | Farney | Donaghmoyne | Carrickmacross |
| Cashlan West | 158 | Farney | Donaghmoyne | Carrickmacross |
| Castleblayney | Town | Cremorne | Muckno | Castleblayney |
| Castleshane Demesne | 379 | Monaghan | Monaghan | Monaghan |
| Cavan | 175 | Dartree | Clones | Clones |
| Cavan | 87 | Trough | Errigal Trough | Monaghan |
| Cavan (Moutray) | 185 | Trough | Errigal Trough | Clogher |
| Cavanacross | 28 | Monaghan | Clones | Monaghan |
| Cavanagarvan | 279 | Monaghan | Kilmore | Monaghan |
| Cavanageeragh | 72 | Farney | Magheross | Carrickmacross |
| Cavanaguillagh | 132 | Cremorne | Clontibret | Castleblayney |
| Cavanavally | 30 | Dartree | Killeevan | Clones |
| Cavancreevy | 221 | Cremorne | Clontibret | Monaghan |
| Cavanleckagh | 67 | Trough | Errigal Trough | Monaghan |
| Cavanmore | 77 | Trough | Errigal Trough | Monaghan |
| Cavanreagh | 86 | Dartree | Currin | Clones |
| Cavanreagh | 41 | Monaghan | Tehallan | Monaghan |
| Cavany | 188 | Dartree | Currin | Clones |
| Church Hill | 174 | Cremorne | Muckno | Castleblayney |
| Cladowen | 126 | Dartree | Clones | Clones |
| Clanickny | 188 | Trough | Donagh | Monaghan |
| Claraghy | 123 | Dartree | Ematris | Cootehill |
| Clarderry | 186 | Cremorne | Clontibret | Monaghan |
| Clare Oghill | 132 | Cremorne | Clontibret | Castleblayney |
| Clenlough | 86 | Monaghan | Drumsnat | Monaghan |
| Clerran | 237 | Cremorne | Clontibret | Monaghan |
| Clery | 118 | Trough | Donagh | Monaghan |
| Cloghan | 229 | Cremorne | Clontibret | Castleblayney |
| Clogher | 286 | Cremorne | Ballybay | Castleblayney |
| Cloghernagh | 223 | Trough | Donagh | Monaghan |
| Cloghernagh | 156 | Dartree | Killeevan | Monaghan |
| Cloghfin | 287 | Trough | Errigal Trough | Clogher |
| Cloghnart | 96 | Trough | Donagh | Monaghan |
| Cloghoge and (or Tievadinna) | 302 | Farney | Donaghmoyne | Carrickmacross |
| Cloghoge and Tievadinna | 302 | Farney | Donaghmoyne | Carrickmacross |
| Cloghvally Lower | 215 | Farney | Magheross | Carrickmacross |
| Cloghvally Upper | 249 | Farney | Magheross | Carrickmacross |
| Clonacullan | 73 | Trough | Errigal Trough | Clogher |
| Clonacullion | 161 | Cremorne | Aghnamullen | Cootehill |
| Clonamully | 109 | Monaghan | Tedavnet | Monaghan |
| Clonamunsha | 50 | Monaghan | Clones | Monaghan |
| Clonaneor | 174 | Cremorne | Clontibret | Castleblayney |
| Clonavarn | 139 | Monaghan | Kilmore | Monaghan |
| Clonavilla | 100 | Dartree | Clones | Clones |
| Clonavogy | 128 | Farney | Donaghmoyne | Carrickmacross |
| Clonavogy | 125 | Cremorne | Clontibret | Castleblayney |
| Clonboy | 57 | Dartree | Clones | Clones |
| Cloncallick | 78 | Dartree | Clones | Clones |
| Cloncaw | 124 | Trough | Donagh | Monaghan |
| Cloncumber | 97 | Dartree | Clones | Clones |
| Cloncurrin | 129 | Dartree | Clones | Clones |
| Clondinnery | 34 | Dartree | Killeevan | Clones |
| Clonedergole | 84 | Dartree | Clones | Clones |
| Clones | Town | Dartree | Clones | Clones |
| Clonfad | 248 | Dartree | Drummully | Clones |
| Clonfad | 127 | Dartree | Killeevan | Clones |
| Clonisboyle | 59 | Trough | Errigal Trough | Clogher |
| Clonkeady | 107 | Monaghan | Tedavnet | Monaghan |
| Clonkeelan | 230 | Dartree | Drummully | Clones |
| Clonkeen | 181 | Trough | Errigal Trough | Clogher |
| Clonkeen (Cole) | 188 | Dartree | Clones | Clones |
| Clonkeen (Lucas) | 255 | Dartree | Clones | Clones |
| Clonkirk | 314 | Dartree | Clones | Clones |
| Clonleek | 63 | Trough | Donagh | Monaghan |
| Clonlonan | 86 | Monaghan | Tehallan | Monaghan |
| Clonlura | 136 | Dartree | Drummully | Clones |
| Clonmeenan | 66 | Farney | Magheracloone | Carrickmacross |
| Clonmore | 132 | Dartree | Clones | Clones |
| Clonnagore | 165 | Dartree | Drummully | Clones |
| Clonnestin | 170 | Dartree | Drummully | Clones |
| Clonoony | 213 | Dartree | Drummully | Clones |
| Clonoula | 239 | Dartree | Drummully | Clones |
| Clonrye | 77 | Dartree | Drummully | Clones |
| Clonsedy | 297 | Farney | Magheracloone | Carrickmacross |
| Clonshanvo | 100 | Dartree | Drummully | Clones |
| Clontask | 84 | Dartree | Drummully | Clones |
| Clontibret | 132 | Dartree | Clones | Clones |
| Clontoe | 86 | Monaghan | Tedavnet | Monaghan |
| Clontrain | 191 | Farney | Magheracloone | Carrickmacross |
| Clontreat | 91 | Dartree | Clones | Clones |
| Clonturk (Mason) | 149 | Farney | Killanny | Carrickmacross |
| Clontybunnia | 147 | Monaghan | Tedavnet | Monaghan |
| Clontycasta | 230 | Monaghan | Tedavnet | Monaghan |
| Closdaw | 185 | Dartree | Aghabog | Cootehill |
| Clossagh Beg | 271 | Cremorne | Aghnamullen | Cootehill |
| Clossagh More | 412 | Cremorne | Aghnamullen | Cootehill |
| Coaghen | 100 | Dartree | Killeevan | Monaghan |
| Coleman | 163 | Dartree | Drummully | Clones |
| Colgagh | 180 | Farney | Donaghmoyne | Carrickmacross |
| Comaghy | 247 | Cremorne | Muckno | Castleblayney |
| Comertagh | 163 | Farney | Magheracloone | Carrickmacross |
| Comraghs | 207 | Farney | Inishkeen | Dundalk |
| Conaghy | 182 | Dartree | Killeevan | Clones |
| Concra | 319 | Cremorne | Clontibret | Castleblayney |
| Connabury | 143 | Cremorne | Muckno | Castleblayney |
| Coohey | 229 | Monaghan | Tullycorbet | Monaghan |
| Coolaha | 109 | Farney | Killanny | Carrickmacross |
| Coolartragh | 334 | Cremorne | Clontibret | Castleblayney |
| Coolatty | 87 | Monaghan | Clones | Monaghan |
| Coolberrin | 172 | Trough | Errigal Trough | Clogher |
| Coolcair | 157 | Farney | Donaghmoyne | Carrickmacross |
| Coolcollid | 101 | Trough | Donagh | Monaghan |
| Coolcorragh | 209 | Monaghan | Drumsnat | Monaghan |
| Cooldarragh | 169 | Monaghan | Drumsnat | Monaghan |
| Coolderry | 223 | Farney | Donaghmoyne | Carrickmacross |
| Coolderry | 263 | Farney | Magheracloone | Carrickmacross |
| Coolderry | 223 | Farney | Magheross | Carrickmacross |
| Coolfore | 183 | Farney | Magheross | Carrickmacross |
| Coolkill East | 194 | Dartree | Ematris | Cootehill |
| Coolkill East | 119 | Monaghan | Tedavnet | Monaghan |
| Coolkill West | 111 | Dartree | Ematris | Cootehill |
| Coolkill West | 88 | Monaghan | Tedavnet | Monaghan |
| Coolmain | 115 | Monaghan | Monaghan | Monaghan |
| Coolmannan | 158 | Cremorne | Clontibret | Castleblayney |
| Coolmuckbane | 42 | Monaghan | Tehallan | Monaghan |
| Coolnacarte | 180 | Dartree | Currin | Clones |
| Coolnagrattan | 154 | Farney | Donaghmoyne | Carrickmacross |
| Coolnalong | 179 | Dartree | Killeevan | Clones |
| Coolreagh | 138 | Farney | Killanny | Carrickmacross |
| Coolremony | 69 | Farney | Killanny | Carrickmacross |
| Coolshannagh | 132 | Monaghan | Monaghan | Monaghan |
| Coolskeagh | 131 | Farney | Donaghmoyne | Castleblayney |
| Cooltrim | 263 | Cremorne | Aghnamullen | Castleblayney |
| Cooltrimegish | 251 | Cremorne | Aghnamullen | Castleblayney |
| Coose | 363 | Cremorne | Aghnamullen | Castleblayney |
| Coraghbrack | 166 | Trough | Errigal Trough | Clogher |
| Coraghy | 216 | Farney | Magheross | Carrickmacross |
| Coraghy | 205 | Dartree | Clones | Clones |
| Corbane | 280 | Farney | Magheross | Carrickmacross |
| Corbeg | 78 | Monaghan | Tehallan | Monaghan |
| Corblonog | 49 | Monaghan | Tedavnet | Monaghan |
| Corbrack | 194 | Cremorne | Ballybay | Castleblayney |
| Corcaghan | 270 | Monaghan | Kilmore | Monaghan |
| Corcaskea | 94 | Cremorne | Clontibret | Monaghan |
| Corclare | 110 | Trough | Errigal Trough | Monaghan |
| Corconnelly | 147 | Dartree | Killeevan | Clones |
| Corcreeghagh | 402 | Farney | Magheross | Carrickmacross |
| Corcreeghy | 439 | Monaghan | Kilmore | Monaghan |
| Corcrin | 223 | Farney | Magheross | Carrickmacross |
| Corcuillogue | 244 | Farney | Magheross | Carrickmacross |
| Corcullioncrew | 139 | Farney | Donaghmoyne | Carrickmacross |
| Corcullionglish | 114 | Farney | Donaghmoyne | Carrickmacross |
| Corcummins | 118 | Dartree | Killeevan | Clones |
| Corderrybane | 234 | Cremorne | Clontibret | Castleblayney |
| Corderryduff | 161 | Cremorne | Clontibret | Castleblayney |
| Cordevlis | 138 | Cremorne | Clontibret | Castleblayney |
| Cordevlis | 243 | Cremorne | Aghnamullen | Cootehill |
| Cordevlis | 71 | Monaghan | Monaghan | Monaghan |
| Cordevlis | 82 | Monaghan | Tehallan | Monaghan |
| Cordevlis North | 143 | Cremorne | Tullycorbet | Monaghan |
| Cordevlis North | 125 | Monaghan | Tullycorbet | Monaghan |
| Cordoolough | 304 | Monaghan | Tullycorbet | Monaghan |
| Cordressigo | 108 | Dartree | Ematris | Cootehill |
| Cordrummans Lower | 69 | Farney | Donaghmoyne | Carrickmacross |
| Cordrummans Middle | 75 | Farney | Donaghmoyne | Carrickmacross |
| Cordrummans Upper | 91 | Farney | Donaghmoyne | Carrickmacross |
| Corduff | 267 | Farney | Magheross | Carrickmacross |
| Corduff | 253 | Dartree | Aghabog | Cootehill |
| Corduff (Kelly) | 245 | Farney | Magheross | Carrickmacross |
| Corfad | 239 | Cremorne | Ballybay | Castleblayney |
| Corfad | 134 | Cremorne | Aghnamullen | Cootehill |
| Corfad | 108 | Monaghan | Tullycorbet | Monaghan |
| Corfinlough | 195 | Monaghan | Tullycorbet | Monaghan |
| Corglass | 87 | Dartree | Ematris | Cootehill |
| Corgreagh | 378 | Cremorne | Aghnamullen | Carrickmacross |
| Corgreenan | 59 | Trough | Errigal Trough | Clogher |
| Corhelshinagh | 297 | Cremorne | Aghnamullen | Carrickmacross |
| Corhollan | 125 | Monaghan | Drumsnat | Monaghan |
| Corkashybane | 258 | Farney | Magheross | Carrickmacross |
| Corkashyduff | 258 | Farney | Magheross | Carrickmacross |
| Corkeeran | 147 | Farney | Magheracloone | Carrickmacross |
| Corkeeran | 211 | Cremorne | Ballybay | Castleblayney |
| Corkeeran | 117 | Dartree | Killeevan | Clones |
| Corkeeran | 214 | Cremorne | Aghnamullen | Cootehill |
| Corkeeran | 162 | Dartree | Ematris | Cootehill |
| Corkish | 97 | Dartree | Aghabog | Cootehill |
| Corknock | 55 | Monaghan | Tedavnet | Monaghan |
| Corlagan North | 93 | Cremorne | Clontibret | Castleblayney |
| Corlagan South | 129 | Cremorne | Clontibret | Castleblayney |
| Corlat | 216 | Cremorne | Aghnamullen | Carrickmacross |
| Corlat | 138 | Dartree | Killeevan | Clones |
| Corlat | 66 | Monaghan | Monaghan | Monaghan |
| Corlat | 87 | Monaghan | Tedavnet | Monaghan |
| Corlattallan | 147 | Trough | Errigal Trough | Monaghan |
| Corlattan | 100 | Monaghan | Monaghan | Monaghan |
| Corlea | 283 | Cremorne | Aghnamullen | Carrickmacross |
| Corlea | 186 | Farney | Donaghmoyne | Carrickmacross |
| Corlea | 252 | Farney | Magheracloone | Carrickmacross |
| Corlea | 190 | Farney | Magheross | Carrickmacross |
| Corlea | 319 | Monaghan | Tullycorbet | Monaghan |
| Corleadargan | 314 | Cremorne | Clontibret | Castleblayney |
| Corlealackagh | 256 | Cremorne | Clontibret | Castleblayney |
| Corleanamaddy | 137 | Cremorne | Clontibret | Castleblayney |
| Corleck | 157 | Farney | Donaghmoyne | Carrickmacross |
| Corleck | 305 | Dartree | Aghabog | Monaghan |
| Corlongford | 120 | Monaghan | Tullycorbet | Monaghan |
| Corlougharoe | 135 | Dartree | Killeevan | Cootehill |
| Corlust | 101 | Monaghan | Monaghan | Monaghan |
| Corlygorm | 192 | Farney | Donaghmoyne | Carrickmacross |
| Cormeen | 217 | Cremorne | Aghnamullen | Cootehill |
| Cormeen | 228 | Dartree | Currin | Cootehill |
| Cormeen | 181 | Monaghan | Monaghan | Monaghan |
| Cormoy | 111 | Farney | Donaghmoyne | Carrickmacross |
| Cormoy | 196 | Dartree | Aghabog | Clones |
| Cormoy Lower | 80 | Farney | Donaghmoyne | Carrickmacross |
| Cormoy Upper | 74 | Farney | Donaghmoyne | Carrickmacross |
| Cormurphy | 82 | Monaghan | Monaghan | Monaghan |
| Cornabrandy | 121 | Cremorne | Clontibret | Monaghan |
| Cornacarrow | 50 | Farney | Magheracloone | Carrickmacross |
| Cornacarrow | 355 | Cremorne | Aghnamullen | Castleblayney |
| Cornacreeve | 225 | Trough | Donagh | Monaghan |
| Cornacreeve | 120 | Monaghan | Monaghan | Monaghan |
| Cornacreeve | 105 | Monaghan | Tedavnet | Monaghan |
| Cornacreeve | 162 | Monaghan | Tullycorbet | Monaghan |
| Cornacrew | 101 | Farney | Donaghmoyne | Carrickmacross |
| Cornafaghy | 94 | Dartree | Clones | Monaghan |
| Cornagall | 97 | Farney | Donaghmoyne | Castleblayney |
| Cornagarvoge | 387 | Farney | Inishkeen | Dundalk |
| Cornagilty | 117 | Monaghan | Tedavnet | Monaghan |
| Cornaglare | 184 | Dartree | Currin | Cootehill |
| Cornaglare | 210 | Monaghan | Kilmore | Monaghan |
| Cornaguillagh | 109 | Monaghan | Tedavnet | Monaghan |
| Cornahawla | 138 | Farney | Donaghmoyne | Castleblayney |
| Cornaheive | 85 | Trough | Errigal Trough | Clogher |
| Cornahoe | 276 | Cremorne | Ballybay | Castleblayney |
| Cornahoe | 74 | Monaghan | Tehallan | Monaghan |
| Cornahoe | 143 | Monaghan | Tullycorbet | Monaghan |
| Cornahoe Lower | 161 | Cremorne | Clontibret | Monaghan |
| Cornahoe Upper | 216 | Cremorne | Clontibret | Castleblayney |
| Cornalaragh | 272 | Farney | Magheracloone | Carrickmacross |
| Cornalough | 149 | Cremorne | Clontibret | Castleblayney |
| Cornamucklagh (or Garranroe) | 193 | Farney | Donaghmoyne | Carrickmacross |
| Cornamucklagh North | 171 | Cremorne | Clontibret | Monaghan |
| Cornamucklagh South | 185 | Cremorne | Clontibret | Castleblayney |
| Cornamucklaglass | 182 | Cremorne | Ballybay | Castleblayney |
| Cornamunady | 123 | Monaghan | Monaghan | Monaghan |
| Cornanagh | 216 | Monaghan | Tullycorbet | Monaghan |
| Cornanerriff | 93 | Farney | Donaghmoyne | Carrickmacross |
| Cornanure | 224 | Farney | Donaghmoyne | Carrickmacross |
| Cornanure | 63 | Trough | Errigal Trough | Monaghan |
| Cornanure | 196 | Monaghan | Tullycorbet | Monaghan |
| Cornapaste | 169 | Dartree | Currin | Clones |
| Cornasassonagh | 284 | Farney | Magheross | Carrickmacross |
| Cornasleeve | 120 | Farney | Donaghmoyne | Carrickmacross |
| Cornasoo | 129 | Monaghan | Drumsnat | Monaghan |
| Cornasoo | 158 | Monaghan | Kilmore | Monaghan |
| Cornasore (or Straghan) | 124 | Trough | Donagh | Monaghan |
| Cornawall | 143 | Dartree | Aghabog | Cootehill |
| Cornawall | 194 | Dartree | Ematris | Cootehill |
| Cornawall | 205 | Dartree | Killeevan | Monaghan |
| Cornecassa Demesne | 467 | Monaghan | Monaghan | Monaghan |
| Corness | 99 | Monaghan | Monaghan | Monaghan |
| Corrabofin | 181 | Monaghan | Ballybay | Castleblayney |
| Corracharra | 329 | Cremorne | Aghnamullen | Carrickmacross |
| Corrachulter | 111 | Dartree | Aghabog | Cootehill |
| Corrackan | 113 | Dartree | Currin | Clones |
| Corracloghan | 147 | Cremorne | Clontibret | Castleblayney |
| Corracrin | 45 | Trough | Donagh | Monaghan |
| Corragarry | 244 | Dartree | Currin | Cootehill |
| Corragarry | 178 | Dartree | Ematris | Cootehill |
| Corragarry (or Sruell) | 311 | Farney | Donaghmoyne | Castleblayney |
| Corragarta | 206 | Cremorne | Clontibret | Castleblayney |
| Corragh (Maxwell) | 49 | Trough | Donagh | Monaghan |
| Corraghbrack | 70 | Trough | Donagh | Monaghan |
| Corraghdown | 159 | Trough | Donagh | Monaghan |
| Corraghduff | 126 | Trough | Donagh | Monaghan |
| Corragore | 161 | Dartree | Ematris | Cootehill |
| Corrakeen | 133 | Cremorne | Clontibret | Castleblayney |
| Corramegan | 152 | Dartree | Aghabog | Monaghan |
| Corranewy | 211 | Dartree | Ematris | Cootehill |
| Corraskea | 221 | Dartree | Killeevan | Clones |
| Corraskea | 260 | Cremorne | Aghnamullen | Cootehill |
| Corraskeally | 77 | Monaghan | Tehallan | Monaghan |
| Corrataghart | 149 | Monaghan | Drumsnat | Monaghan |
| Corratanty | 453 | Cremorne | Muckno | Castleblayney |
| Corrateean | 143 | Farney | Donaghmoyne | Castleblayney |
| Corrateemore | 77 | Farney | Donaghmoyne | Carrickmacross |
| Corratrasna | 155 | Monaghan | Clones | Monaghan |
| Corravacan | 188 | Dartree | Ematris | Cootehill |
| Corravilla | 168 | Dartree | Aghabog | Cootehill |
| Corraviller | 109 | Monaghan | Tullycorbet | Monaghan |
| Corravoo | 269 | Farney | Donaghmoyne | Castleblayney |
| Corrawillin | 68 | Monaghan | Tehallan | Monaghan |
| Correvan | 211 | Dartree | Aghabog | Cootehill |
| Corrinary | 105 | Farney | Donaghmoyne | Castleblayney |
| Corrinary | 188 | Dartree | Currin | Cootehill |
| Corrinenty | 344 | Farney | Magheross | Carrickmacross |
| Corrinshigagh | 183 | Farney | Donaghmoyne | Carrickmacross |
| Corrinshigagh | 151 | Farney | Magheross | Carrickmacross |
| Corrinshigagh (Cope) | 106 | Farney | Donaghmoyne | Carrickmacross |
| Corrinshigo | 182 | Cremorne | Clontibret | Castleblayney |
| Corrinshigo | 293 | Dartree | Currin | Cootehill |
| Corrinshigo | 78 | Monaghan | Clones | Monaghan |
| Corrinshigo | 75 | Monaghan | Monaghan | Monaghan |
| Corrinshigo | 95 | Monaghan | Tedavnet | Monaghan |
| Corrintra | 456 | Cremorne | Muckno | Castleblayney |
| Corry | 54 | Trough | Errigal Trough | Clogher |
| Corryagan | 125 | Farney | Magheracloone | Carrickmacross |
| Corryarbeg | 367 | Trough | Errigal Trough | Clogher |
| Corrybrackan | 278 | Farney | Magheracloone | Carrickmacross |
| Corrybrannan | 228 | Cremorne | Ballybay | Castleblayney |
| Corryhagan | 236 | Cremorne | Aghnamullen | Cootehill |
| Corryloan | 162 | Cremorne | Clontibret | Castleblayney |
| Corsilloga | 190 | Cremorne | Aghnamullen | Cootehill |
| Cortaghart | 335 | Cremorne | Aghnamullen | Castleblayney |
| Cortamlet | 64 | Cremorne | Aghnamullen | Cootehill |
| Cortober | 205 | Cremorne | Aghnamullen | Carrickmacross |
| Cortober | 61 | Farney | Magheracloone | Carrickmacross |
| Cortober | 181 | Dartree | Currin | Cootehill |
| Cortober | 225 | Dartree | Ematris | Cootehill |
| Cortolvin | 108 | Monaghan | Monaghan | Monaghan |
| Cortreane | 89 | Dartree | Currin | Cootehill |
| Corvackan | 304 | Cremorne | Aghnamullen | Cootehill |
| Corvaghan | 172 | Dartree | Drummully | Clones |
| Corvally | 356 | Farney | Magheross | Carrickmacross |
| Corvally | 164 | Monaghan | Tehallan | Monaghan |
| Corvally | 236 | Monaghan | Tullycorbet | Monaghan |
| Corvoam | 128 | Monaghan | Kilmore | Monaghan |
| Corvoy | 222 | Monaghan | Tullycorbet | Monaghan |
| Corwillin | 229 | Cremorne | Aghnamullen | Cootehill |
| Crane Island | 1 | Cremorne | Clontibret | Castleblayney |
| Crane Island | 1 | Cremorne | Muckno | Castleblayney |
| Crappagh | 174 | Dartree | Aghabog | Cootehill |
| Creaghan | 64 | Trough | Errigal Trough | Clogher |
| Creaghanroe | 195 | Cremorne | Muckno | Castleblayney |
| Creeran | 169 | Dartree | Currin | Cootehill |
| Creesil | 121 | Monaghan | Tedavnet | Monaghan |
| Creevagh | 212 | Cremorne | Tullycorbet | Monaghan |
| Creevaghy | 109 | Dartree | Clones | Clones |
| Creeve | 684 | Cremorne | Aghnamullen | Castleblayney |
| Creeve | 184 | Cremorne | Clontibret | Monaghan |
| Creeve | 158 | Monaghan | Monaghan | Monaghan |
| Creevelea | 213 | Dartree | Clones | Clones |
| Creevelea | 109 | Trough | Donagh | Monaghan |
| Creevy (Oliver) | 102 | Farney | Donaghmoyne | Carrickmacross |
| Creevy (Swinburn) | 68 | Farney | Donaghmoyne | Carrickmacross |
| Creighans | 118 | Monaghan | Tehallan | Monaghan |
| Cremartin | 212 | Cremorne | Clontibret | Castleblayney |
| Cremoyle | 208 | Dartree | Ematris | Cootehill |
| Creveadornan | 96 | Farney | Magheracloone | Carrickmacross |
| Crewmeige | 154 | Monaghan | Kilmore | Monaghan |
| Crinkill | 127 | Cremorne | Clontibret | Castleblayney |
| Croaghan | 509 | Cremorne | Clontibret | Castleblayney |
| Crockcumberland | 78 | Dartree | Clones | Monaghan |
| Crossaghy | 145 | Cremorne | Clontibret | Monaghan |
| Crossalare | 135 | Farney | Donaghmoyne | Carrickmacross |
| Crossbane | 239 | Dartree | Killeevan | Clones |
| Crossduff | 215 | Cremorne | Aghnamullen | Castleblayney |
| Crosses | 272 | Monaghan | Monaghan | Monaghan |
| Crosses | 107 | Monaghan | Tedavnet | Monaghan |
| Crosshugh | 164 | Monaghan | Monaghan | Monaghan |
| Crosslea | 134 | Dartree | Ematris | Cootehill |
| Crossmore | 260 | Cremorne | Clontibret | Monaghan |
| Crossmoyle | 82 | Dartree | Clones | Clones |
| Crossnacaldoo | 418 | Trough | Errigal Trough | Clogher |
| Crossreagh | 239 | Dartree | Killeevan | Clones |
| Crover | 89 | Farney | Donaghmoyne | Carrickmacross |
| Crover | 128 | Dartree | Aghabog | Cootehill |
| Crowey | 66 | Monaghan | Tehallan | Monaghan |
| Crumlin | 266 | Farney | Magheracloone | Carrickmacross |
| Crumlin | 116 | Monaghan | Kilmore | Monaghan |
| Crumlin | 176 | Monaghan | Tehallan | Monaghan |
| Culdaloo | 54 | Monaghan | Tehallan | Monaghan |
| Cullentraghbane | 103 | Farney | Donaghmoyne | Carrickmacross |
| Cullentraghduff | 127 | Farney | Donaghmoyne | Carrickmacross |
| Cumry | 194 | Cremorne | Aghnamullen | Cootehill |
| Curkin | 67 | Trough | Errigal Trough | Monaghan |
| Cussaboy | 64 | Monaghan | Tullycorbet | Monaghan |
| Cussee | 73 | Monaghan | Tedavnet | Monaghan |
| Darraghlan | 193 | Monaghan | Kilmore | Monaghan |
| Davagh | 32 | Dartree | Killeevan | Clones |
| Davagh Etra | 140 | Trough | Errigal Trough | Monaghan |
| Davagh Otra | 137 | Trough | Errigal Trough | Monaghan |
| Dawson Grove Demesne | 597 | Dartree | Ematris | Cootehill |
| Dernacoo | 56 | Trough | Errigal Trough | Monaghan |
| Dernadriff | 164 | Trough | Errigal Trough | Clogher |
| Dernaglug | 147 | Cremorne | Clontibret | Castleblayney |
| Dernagola | 149 | Trough | Errigal Trough | Clogher |
| Dernahamsha | 29 | Monaghan | Clones | Monaghan |
| Dernahatten | 115 | Trough | Errigal Trough | Monaghan |
| Dernahinch | 106 | Trough | Errigal Trough | Monaghan |
| Dernalosset | 246 | Trough | Errigal Trough | Monaghan |
| Dernamoyle | 276 | Dartree | Ematris | Cootehill |
| Dernamuck | 48 | Trough | Errigal Trough | Monaghan |
| Dernaroy | 84 | Dartree | Aghabog | Cootehill |
| Dernaved | 208 | Trough | Errigal Trough | Clogher |
| Derrilla | 244 | Trough | Donagh | Monaghan |
| Derrins | 192 | Dartree | Currin | Cootehill |
| Derrintonny | 88 | Monaghan | Clones | Monaghan |
| Derry | 244 | Farney | Magheracloone | Carrickmacross |
| Derry | 138 | Cremorne | Aghnamullen | Cootehill |
| Derry | 97 | Monaghan | Tehallan | Monaghan |
| Derryallaghan | 175 | Monaghan | Tedavnet | Monaghan |
| Derryarrilly | 251 | Cremorne | Clontibret | Monaghan |
| Derryarrit | 260 | Monaghan | Clones | Monaghan |
| Derryartry | 69 | Monaghan | Clones | Monaghan |
| Derrybeg | 53 | Dartree | Drummully | Clones |
| Derrycreevy | 148 | Cremorne | Muckno | Castleblayney |
| Derrycrossan | 168 | Monaghan | Tedavnet | Monaghan |
| Derrydorraghy | 124 | Monaghan | Tedavnet | Monaghan |
| Derrygassan Lower | 114 | Trough | Donagh | Monaghan |
| Derrygassan Upper | 117 | Trough | Donagh | Monaghan |
| Derrygola | 273 | Trough | Errigal Trough | Monaghan |
| Derrygoony | 283 | Cremorne | Aghnamullen | Cootehill |
| Derrygorry | 184 | Trough | Errigal Trough | Clogher |
| Derryhallagh | 152 | Trough | Donagh | Monaghan |
| Derryhallagh | 298 | Monaghan | Tullycorbet | Monaghan |
| Derryhee | 87 | Trough | Donagh | Monaghan |
| Derryhellan | 100 | Trough | Errigal Trough | Monaghan |
| Derryhoosh | 101 | Trough | Donagh | Monaghan |
| Derryilan (or Knocknamullagh) | 212 | Farney | Donaghmoyne | Carrickmacross |
| Derryisland | 194 | Cremorne | Clontibret | Castleblayney |
| Derrykinard | 114 | Dartree | Ematris | Cootehill |
| Derrykinard | 73 | Trough | Errigal Trough | Monaghan |
| Derrykinnigh Beg | 183 | Trough | Errigal Trough | Clogher |
| Derrykinnigh More | 194 | Trough | Errigal Trough | Clogher |
| Derrylavan | 218 | Farney | Magheross | Carrickmacross |
| Derrylea | 146 | Monaghan | Clones | Monaghan |
| Derrylea | 126 | Trough | Donagh | Monaghan |
| Derrylea Beg | 105 | Trough | Errigal Trough | Clogher |
| Derrylea More | 112 | Trough | Errigal Trough | Clogher |
| Derryleedigan | 160 | Monaghan | Clones | Monaghan |
| Derryleedigan (Jackson) | 93 | Monaghan | Clones | Monaghan |
| Derryleeg | 149 | Farney | Magheracloone | Carrickmacross |
| Derryleggan | 16 | Dartree | Killeevan | Clones |
| Derrylevick | 95 | Trough | Errigal Trough | Clogher |
| Derrylosset | 170 | Dartree | Ematris | Cootehill |
| Derrylusk | 134 | Monaghan | Clones | Monaghan |
| Derrylusk | 181 | Monaghan | Tullycorbet | Monaghan |
| Derrynagad | 108 | Monaghan | Tedavnet | Monaghan |
| Derrynaglah | 278 | Farney | Magheracloone | Carrickmacross |
| Derrynagrew | 108 | Monaghan | Tedavnet | Monaghan |
| Derrynahesco | 496 | Monaghan | Tedavnet | Monaghan |
| Derrynaloobinagh | 197 | Cremorne | Ballybay | Castleblayney |
| Derrynanamph | 233 | Monaghan | Tedavnet | Monaghan |
| Derrynarget | 50 | Trough | Errigal Trough | Clogher |
| Derrynascobe | 164 | Farney | Magheracloone | Carrickmacross |
| Derrynasell East | 263 | Monaghan | Tedavnet | Monaghan |
| Derrynasell West | 455 | Monaghan | Tedavnet | Monaghan |
| Derrynashallog | 168 | Trough | Donagh | Monaghan |
| Derryolam | 190 | Farney | Magheross | Carrickmacross |
| Derryrellan | 163 | Trough | Errigal Trough | Clogher |
| Derryroosk | 141 | Cremorne | Aghnamullen | Cootehill |
| Derryvally | 234 | Cremorne | Ballybay | Castleblayney |
| Derryveagh | 241 | Trough | Errigal Trough | Monaghan |
| Derryveen | 195 | Trough | Donagh | Monaghan |
| Descart | 226 | Farney | Magheracloone | Carrickmacross |
| Descart | 136 | Dartree | Aghabog | Cootehill |
| Desert | 105 | Trough | Donagh | Monaghan |
| Devlin | 136 | Cremorne | Clontibret | Castleblayney |
| Dian | 115 | Farney | Donaghmoyne | Carrickmacross |
| Doagh | 322 | Farney | Magheracloone | Carrickmacross |
| Doagheys | 96 | Trough | Donagh | Monaghan |
| Donagh | 131 | Trough | Donagh | Monaghan |
| Donaghmoyne | 569 | Farney | Donaghmoyne | Carrickmacross |
| Doocharn | 210 | Cremorne | Muckno | Castleblayney |
| Doogary | 228 | Monaghan | Tedavnet | Monaghan |
| Doohamlat | 138 | Cremorne | Clontibret | Castleblayney |
| Doohat | 249 | Dartree | Aghabog | Cootehill |
| Doohatty | 456 | Farney | Magheracloone | Carrickmacross |
| Dooraa | 172 | Farney | Donaghmoyne | Carrickmacross |
| Dooraa | 265 | Cremorne | Aghnamullen | Castleblayney |
| Doosky | 196 | Cremorne | Clontibret | Monaghan |
| Doosky | 233 | Dartree | Killeevan | Monaghan |
| Downs | 90 | Cremorne | Clontibret | Monaghan |
| Drollagh | 308 | Cremorne | Muckno | Castleblayney |
| Drollagh | 160 | Dartree | Aghabog | Cootehill |
| Dromore | 360 | Cremorne | Muckno | Castleblayney |
| Dromore | 113 | Trough | Errigal Trough | Clogher |
| Dromore | 84 | Farney | Inishkeen | Dundalk |
| Dromore | 147 | Cremorne | Clontibret | Monaghan |
| Dromore | 117 | Monaghan | Tehallan | Monaghan |
| Dromore | 325 | Cremorne | Tullycorbet | Monaghan |
| Dromore East | 162 | Dartree | Ematris | Cootehill |
| Dromore West | 52 | Dartree | Ematris | Cootehill |
| Drum | Town | Dartree | Currin | Cootehill |
| Drum | 144 | Dartree | Currin | Cootehill |
| Drumacaslan | 118 | Monaghan | Kilmore | Monaghan |
| Drumaclan | 177 | Monaghan | Kilmore | Monaghan |
| Drumacon | 511 | Cremorne | Muckno | Castleblayney |
| Drumaconvern | 163 | Farney | Donaghmoyne | Carrickmacross |
| Drumacoon | 97 | Dartree | Killeevan | Clones |
| Drumacreeve | 137 | Dartree | Aghabog | Cootehill |
| Drumacreeve | 144 | Dartree | Ematris | Cootehill |
| Drumacrib | 237 | Cremorne | Muckno | Castleblayney |
| Drumacruttan | 146 | Monaghan | Monaghan | Monaghan |
| Drumacruttan | 37 | Monaghan | Tehallan | Monaghan |
| Drumaddagorry | 109 | Dartree | Clones | Clones |
| Drumaddarainy | 144 | Dartree | Clones | Clones |
| Drumagelvin | 237 | Cremorne | Muckno | Castleblayney |
| Drumagelvin | 201 | Monaghan | Tehallan | Monaghan |
| Drumaghakeel | 116 | Dartree | Aghabog | Cootehill |
| Drumakill | 322 | Cremorne | Muckno | Castleblayney |
| Drumaliss | 329 | Cremorne | Muckno | Castleblayney |
| Drumalt | 137 | Monaghan | Kilmore | Monaghan |
| Drumanan | 109 | Dartree | Aghabog | Cootehill |
| Drumanny | 221 | Dartree | Ematris | Cootehill |
| Drumar | 181 | Cremorne | Ballybay | Castleblayney |
| Drumard | 82 | Dartree | Clones | Clones |
| Drumarrell | 94 | Trough | Errigal Trough | Monaghan |
| Drumartigan | 96 | Trough | Errigal Trough | Clogher |
| Drumary | 161 | Dartree | Aghabog | Cootehill |
| Drumass | 401 | Farney | Inishkeen | Dundalk |
| Drumate | 176 | Dartree | Aghabog | Cootehill |
| Drumavaddy | 145 | Farney | Donaghmoyne | Castleblayney |
| Drumavaddy | 122 | Dartree | Currin | Cootehill |
| Drumavan | 163 | Dartree | Currin | Clones |
| Drumavcale | 93 | Dartree | Currin | Clones |
| Drumbanagher | 172 | Trough | Donagh | Monaghan |
| Drumbaragh | 179 | Dartree | Aghabog | Clones |
| Drumbarnet | 87 | Monaghan | Tedavnet | Monaghan |
| Drumbear | 143 | Monaghan | Monaghan | Monaghan |
| Drumbenagh | 138 | Monaghan | Tedavnet | Monaghan |
| Drumbeo | 188 | Cremorne | Clontibret | Monaghan |
| Drumberagh | 340 | Farney | Donaghmoyne | Carrickmacross |
| Drumbier | 166 | Monaghan | Tedavnet | Monaghan |
| Drumbin | 153 | Monaghan | Tedavnet | Monaghan |
| Drumbirn | 121 | Trough | Errigal Trough | Clogher |
| Drumbo | 191 | Farney | Magheracloone | Carrickmacross |
| Drumboat | 486 | Farney | Inishkeen | Dundalk |
| Drumboory | 556 | Farney | Magheracloone | Carrickmacross |
| Drumborisk | 238 | Dartree | Currin | Cootehill |
| Drumbrackan | 219 | Farney | Magheracloone | Carrickmacross |
| Drumbrean | 268 | Dartree | Aghabog | Cootehill |
| Drumbristan | 324 | Trough | Errigal Trough | Clogher |
| Drumbroagh | 187 | Farney | Magheross | Carrickmacross |
| Drumbrone | 126 | Farney | Magheracloone | Carrickmacross |
| Drumbure | 100 | Dartree | Currin | Clones |
| Drumcah | 185 | Farney | Inishkeen | Dundalk |
| Drumcall | 233 | Dartree | Ematris | Cootehill |
| Drumcanon | 323 | Cremorne | Aghnamullen | Cootehill |
| Drumcargy | 160 | Farney | Magheracloone | Carrickmacross |
| Drumcarrow | 232 | Farney | Magheracloone | Carrickmacross |
| Drumcattan | 129 | Farney | Donaghmoyne | Carrickmacross |
| Drumcaw | 153 | Dartree | Killeevan | Clones |
| Drumcaw | 264 | Trough | Donagh | Monaghan |
| Drumcondra | 82 | Trough | Errigal Trough | Monaghan |
| Drumconnelly | 150 | Trough | Errigal Trough | Monaghan |
| Drumcoo (Brady) | 220 | Monaghan | Tedavnet | Monaghan |
| Drumcoo (Foster) | 175 | Monaghan | Tedavnet | Monaghan |
| Drumcoo (Jackson) | 138 | Monaghan | Tedavnet | Monaghan |
| Drumcoo (Woods) | 74 | Monaghan | Tedavnet | Monaghan |
| Drumcreeghan | 205 | Cremorne | Aghnamullen | Castleblayney |
| Drumcrew | 222 | Cremorne | Clontibret | Castleblayney |
| Drumcrow | 122 | Dartree | Killeevan | Cootehill |
| Drumcru (Dickson) | 88 | Dartree | Clones | Clones |
| Drumcru (Remwick) | 93 | Dartree | Clones | Clones |
| Drumcunnion | 439 | Cremorne | Aghnamullen | Carrickmacross |
| Drumdart | 155 | Monaghan | Tedavnet | Monaghan |
| Drumdesco | 136 | Monaghan | Tedavnet | Monaghan |
| Drumdreeny | 114 | Farney | Donaghmoyne | Carrickmacross |
| Drumee | 122 | Dartree | Killeevan | Clones |
| Drumerlough Beg | 141 | Farney | Magheracloone | Carrickmacross |
| Drumerlough More | 134 | Farney | Magheracloone | Carrickmacross |
| Drumever | 193 | Farney | Killanny | Carrickmacross |
| Drumfaldra | 81 | Cremorne | Aghnamullen | Cootehill |
| Drumfernasky | 139 | Trough | Errigal Trough | Clogher |
| Drumfurrer | 540 | Trough | Errigal Trough | Clogher |
| Drumgaghan | 132 | Trough | Donagh | Monaghan |
| Drumgallan | 186 | Cremorne | Clontibret | Castleblayney |
| Drumganny | 153 | Farney | Donaghmoyne | Carrickmacross |
| Drumganus Lower | 163 | Farney | Donaghmoyne | Castleblayney |
| Drumganus Upper | 156 | Farney | Donaghmoyne | Castleblayney |
| Drumgarkin | 155 | Dartree | Ematris | Cootehill |
| Drumgarly | 184 | Dartree | Aghabog | Clones |
| Drumgarn | 50 | Trough | Donagh | Monaghan |
| Drumgarra | 345 | Cremorne | Ballybay | Castleblayney |
| Drumgarran | 68 | Dartree | Currin | Clones |
| Drumgarran | 84 | Monaghan | Tedavnet | Monaghan |
| Drumgarve | 120 | Monaghan | Drumsnat | Monaghan |
| Drumgavny | 211 | Cremorne | Tullycorbet | Monaghan |
| Drumgaze | 133 | Dartree | Currin | Cootehill |
| Drumgeeny | 255 | Farney | Killanny | Carrickmacross |
| Drumgeeny | 186 | Trough | Donagh | Monaghan |
| Drumgoan | 119 | Farney | Magheross | Carrickmacross |
| Drumgoask | 142 | Monaghan | Tedavnet | Monaghan |
| Drumgoast | 136 | Monaghan | Clones | Monaghan |
| Drumgolat | 148 | Cremorne | Clontibret | Monaghan |
| Drumgole | 167 | Dartree | Ematris | Cootehill |
| Drumgoole | 90 | Monaghan | Tehallan | Monaghan |
| Drumgoosat | 196 | Farney | Magheracloone | Carrickmacross |
| Drumgoose | 267 | Farney | Donaghmoyne | Castleblayney |
| Drumgor | 327 | Cremorne | Aghnamullen | Castleblayney |
| Drumgowna | 346 | Farney | Magheross | Carrickmacross |
| Drumgramph | 121 | Dartree | Aghabog | Cootehill |
| Drumgramph | 87 | Dartree | Currin | Cootehill |
| Drumgreeny | 146 | Monaghan | Kilmore | Monaghan |
| Drumgristin | 158 | Cremorne | Clontibret | Castleblayney |
| Drumgristin | 88 | Dartree | Aghabog | Cootehill |
| Drumgristin Lower | 128 | Farney | Donaghmoyne | Castleblayney |
| Drumgristin Upper | 198 | Farney | Donaghmoyne | Carrickmacross |
| Drumgrole | 288 | Cremorne | Ballybay | Castleblayney |
| Drumgrone | 205 | Dartree | Currin | Cootehill |
| Drumguff | 37 | Dartree | Killeevan | Clones |
| Drumguill | 174 | Monaghan | Drumsnat | Monaghan |
| Drumguillew Lower | 147 | Cremorne | Ballybay | Castleblayney |
| Drumguillew Upper | 150 | Cremorne | Ballybay | Castleblayney |
| Drumguilly | 111 | Dartree | Killeevan | Monaghan |
| Drumgurra | 417 | Farney | Magheross | Carrickmacross |
| Drumhaman | 127 | Farney | Donaghmoyne | Carrickmacross |
| Drumharriff | 171 | Farney | Donaghmoyne | Carrickmacross |
| Drumharriff North | 173 | Farney | Donaghmoyne | Castleblayney |
| Drumhasket | 74 | Farney | Killanny | Carrickmacross |
| Drumhawan | 327 | Cremorne | Ballybay | Castleblayney |
| Drumhay | 160 | Dartree | Aghabog | Cootehill |
| Drumhillagh | 142 | Farney | Donaghmoyne | Carrickmacross |
| Drumhillagh | 132 | Cremorne | Aghnamullen | Castleblayney |
| Drumhillagh | 232 | Cremorne | Ballybay | Castleblayney |
| Drumhillagh | 97 | Dartree | Currin | Clones |
| Drumhillagh | 276 | Dartree | Killeevan | Monaghan |
| Drumhillagh | 229 | Monaghan | Tedavnet | Monaghan |
| Drumhirk | 280 | Dartree | Aghabog | Monaghan |
| Drumhirk | 107 | Monaghan | Monaghan | Monaghan |
| Drumilkin | 84 | Dartree | Aghabog | Cootehill |
| Drumillard | 122 | Farney | Donaghmoyne | Carrickmacross |
| Drumillard | 267 | Cremorne | Aghnamullen | Castleblayney |
| Drumillard Big | 221 | Cremorne | Muckno | Castleblayney |
| Drumillard Little | 71 | Cremorne | Muckno | Castleblayney |
| Druminane | 289 | Monaghan | Tedavnet | Monaghan |
| Drumintin | 263 | Dartree | Ematris | Cootehill |
| Drumirril | 279 | Farney | Inishkeen | Dundalk |
| Drumlandrick | 124 | Farney | Donaghmoyne | Castleblayney |
| Drumlane | 248 | Cremorne | Ballybay | Castleblayney |
| Drumlara | 63 | Monaghan | Tedavnet | Monaghan |
| Drumleek North | 264 | Cremorne | Muckno | Castleblayney |
| Drumleek South | 334 | Cremorne | Muckno | Castleblayney |
| Drumleny | 220 | Dartree | Killeevan | Monaghan |
| Drumlester | 118 | Trough | Errigal Trough | Clogher |
| Drumlina | 119 | Dartree | Killeevan | Cootehill |
| Drumlinny | 230 | Dartree | Aghabog | Monaghan |
| Drumlinny | 80 | Monaghan | Kilmore | Monaghan |
| Drumlish | 60 | Monaghan | Tedavnet | Monaghan |
| Drumlona | 105 | Dartree | Ematris | Cootehill |
| Drumlongfield | 214 | Monaghan | Tullycorbet | Monaghan |
| Drumloo | 137 | Monaghan | Clones | Monaghan |
| Drumloo North | 25 | Dartree | Killeevan | Clones |
| Drumloo South | 27 | Dartree | Killeevan | Clones |
| Drumlood | 225 | Cremorne | Aghnamullen | Cootehill |
| Drumloughlin | 142 | Dartree | Ematris | Cootehill |
| Drumlurg | 230 | Farney | Donaghmoyne | Carrickmacross |
| Drumlusty | 181 | Farney | Donaghmoyne | Carrickmacross |
| Drummacavoy | 171 | Farney | Donaghmoyne | Carrickmacross |
| Drummaconor | 132 | Monaghan | Kilmore | Monaghan |
| Drummanreagh | 139 | Farney | Donaghmoyne | Carrickmacross |
| Drummans | 264 | Monaghan | Clones | Monaghan |
| Drummond | 344 | Farney | Magheracloone | Carrickmacross |
| Drummond | 198 | Farney | Inishkeen | Dundalk |
| Drummond Etra | 66 | Farney | Magheross | Carrickmacross |
| Drummond Otra | 298 | Farney | Magheross | Carrickmacross |
| Drummuck | 168 | Cremorne | Ballybay | Castleblayney |
| Drummuck | 149 | Monaghan | Kilmore | Monaghan |
| Drummuck | 84 | Cremorne | Tehallan | Monaghan |
| Drummulla | 172 | Dartree | Ematris | Cootehill |
| Drummullan | 121 | Dartree | Aghabog | Clones |
| Drummully | 90 | Dartree | Clones | Clones |
| Drummully | 144 | Trough | Donagh | Monaghan |
| Drumnagavlin | 47 | Monaghan | Clones | Monaghan |
| Drumnagrella | 212 | Farney | Inishkeen | Dundalk |
| Drumnahunshin | 86 | Cremorne | Tehallan | Monaghan |
| Drumnanaliv | 133 | Farney | Donaghmoyne | Carrickmacross |
| Drumnart | 106 | Cremorne | Clontibret | Monaghan |
| Drumneill | 133 | Farney | Donaghmoyne | Carrickmacross |
| Drumneill | 205 | Cremorne | Clontibret | Monaghan |
| Drumnolan | 120 | Trough | Donagh | Monaghan |
| Drumny | 88 | Farney | Donaghmoyne | Carrickmacross |
| Drumod | 424 | Cremorne | Aghnamullen | Cootehill |
| Drumquill | 227 | Cremorne | Clontibret | Castleblayney |
| Drumreask | 119 | Monaghan | Tedavnet | Monaghan |
| Drumreenagh | 132 | Dartree | Currin | Clones |
| Drumreenagh | 172 | Dartree | Killeevan | Clones |
| Drumrooghill | 247 | Dartree | Ematris | Cootehill |
| Drumroosk | 191 | Monaghan | Tullycorbet | Monaghan |
| Drumrutagh | 203 | Monaghan | Tehallan | Monaghan |
| Drumsaul | 75 | Dartree | Ematris | Cootehill |
| Drumscor | 149 | Monaghan | Tedavnet | Monaghan |
| Drumshannon | 149 | Dartree | Aghabog | Clones |
| Drumshanny | 164 | Monaghan | Tedavnet | Monaghan |
| Drumsheaver | 309 | Monaghan | Tedavnet | Monaghan |
| Drumsheeny | 58 | Trough | Donagh | Monaghan |
| Drumsheeny | 238 | Monaghan | Drumsnat | Monaghan |
| Drumskelt | 261 | Cremorne | Aghnamullen | Cootehill |
| Drumskelt | 195 | Dartree | Killeevan | Cootehill |
| Drumslavog | 78 | Monaghan | Tedavnet | Monaghan |
| Drumsloe | 120 | Dartree | Drummully | Clones |
| Drumswords | 117 | Dartree | Killeevan | Clones |
| Drumturk | 158 | Farney | Killanny | Carrickmacross |
| Drumturk | 139 | Trough | Errigal Trough | Monaghan |
| Drumummery | 106 | Monaghan | Clones | Monaghan |
| Drumurcher | 172 | Dartree | Currin | Cootehill |
| Dunaldron | 77 | Monaghan | Monaghan | Monaghan |
| Dunanny | 145 | Farney | Donaghmoyne | Carrickmacross |
| Dunaree | 299 | Farney | Donaghmoyne | Carrickmacross |
| Dunaree Latin | 340 | Farney | Donaghmoyne | Carrickmacross |
| Dundian | 145 | Trough | Errigal Trough | Monaghan |
| Dundonagh | 173 | Trough | Donagh | Monaghan |
| Dundrannan | 167 | Dartree | Ematris | Cootehill |
| Dundrockan | 138 | Farney | Donaghmoyne | Carrickmacross |
| Dundrumman | 219 | Monaghan | Clones | Monaghan |
| Dunelty | 173 | Farney | Killanny | Carrickmacross |
| Dunfelimy | 235 | Cremorne | Clontibret | Castleblayney |
| Dungillick | 158 | Trough | Errigal Trough | Monaghan |
| Dungonnan | 51 | Dartree | Currin | Clones |
| Dunmadigan | 64 | Trough | Errigal Trough | Monaghan |
| Dunmakenna | 201 | Cremorne | Aghnamullen | Cootehill |
| Dunmaurice | 258 | Cremorne | Ballybay | Castleblayney |
| Dunnaluck | 175 | Dartree | Currin | Cootehill |
| Dunoge | 165 | Farney | Magheross | Carrickmacross |
| Dunraymond | 120 | Monaghan | Kilmore | Monaghan |
| Dunseark | 145 | Dartree | Killeevan | Clones |
| Dunsinare | 136 | Monaghan | Monaghan | Monaghan |
| Dunsrim | 197 | Dartree | Currin | Clones |
| Dyan | 32 | Dartree | Ematris | Cootehill |
| Dyan | 57 | Dartree | Killeevan | Monaghan |
| Eden Island | 118 | Trough | Donagh | Monaghan |
| Edenaferkin | 192 | Cremorne | Tullycorbet | Monaghan |
| Edenaforan | 127 | Dartree | Clones | Clones |
| Edenagoash | 122 | Dartree | Killeevan | Monaghan |
| Edenamo | 86 | Farney | Inishkeen | Dundalk |
| Edenanay | 125 | Cremorne | Ballybay | Castleblayney |
| Edenaneane | 246 | Cremorne | Ballybay | Castleblayney |
| Edenbrone | 129 | Cremorne | Aghnamullen | Cootehill |
| Edenbrone | 36 | Monaghan | Monaghan | Monaghan |
| Edenbrone | 67 | Monaghan | Tedavnet | Monaghan |
| Edenforan | 209 | Cremorne | Aghnamullen | Cootehill |
| Edengilrevy | 181 | Farney | Donaghmoyne | Carrickmacross |
| Edenmore | 69 | Trough | Errigal Trough | Clogher |
| Edenmore | 110 | Trough | Donagh | Monaghan |
| Edergole | 156 | Dartree | Ematris | Cootehill |
| Effernagh | 140 | Dartree | Aghabog | Clones |
| Eldron | 58 | Monaghan | Drumsnat | Monaghan |
| Ellinure | 129 | Dartree | Killeevan | Clones |
| Elvey | 96 | Trough | Errigal Trough | Monaghan |
| Emy | 252 | Trough | Donagh | Monaghan |
| Emyvale | Town | Trough | Donagh | Monaghan |
| Emyvale (or Scarnageeragh) | 119 | Trough | Donagh | Monaghan |
| Enagh | 253 | Farney | Magheracloone | Carrickmacross |
| Enagh | 171 | Dartree | Ematris | Cootehill |
| Enagh | 131 | Trough | Donagh | Monaghan |
| Ennis | 78 | Cremorne | Clontibret | Monaghan |
| Errybane | 135 | Cremorne | Muckno | Castleblayney |
| Erryroe | 294 | Cremorne | Muckno | Castleblayney |
| Eshacrin | 141 | Monaghan | Tedavnet | Monaghan |
| Eshcloghfin | 309 | Monaghan | Tedavnet | Monaghan |
| Eshnaglogh | 1,341 | Monaghan | Tedavnet | Monaghan |
| Esker | 105 | Trough | Errigal Trough | Clogher |
| Fairfield Demense | 642 | Dartree | Ematris | Cootehill |
| Fairtahy | 308 | Cremorne | Aghnamullen | Carrickmacross |
| Faltagh | 231 | Dartree | Aghabog | Cootehill |
| Faraghy | 199 | Farney | Magheross | Carrickmacross |
| Fartagorman | 124 | Farney | Magheross | Carrickmacross |
| Fastry | 144 | Dartree | Currin | Clones |
| Fastry (or Racreeghan) | 284 | Dartree | Ematris | Cootehill |
| Faulkland | 226 | Trough | Donagh | Monaghan |
| Feagh | 240 | Dartree | Aghabog | Cootehill |
| Feahoe | 284 | Farney | Magheracloone | Carrickmacross |
| Feddans | 127 | Cremorne | Clontibret | Monaghan |
| Fedoo | 165 | Monaghan | Tehallan | Monaghan |
| Feebaghbane | 218 | Monaghan | Tedavnet | Monaghan |
| Feebaghduff | 143 | Monaghan | Tedavnet | Monaghan |
| Feebane | 86 | Monaghan | Monaghan | Monaghan |
| Feegavla | 263 | Farney | Donaghmoyne | Carrickmacross |
| Feragh | 275 | Monaghan | Monaghan | Monaghan |
| Figanny | 103 | Trough | Errigal Trough | Monaghan |
| Figullar | 264 | Trough | Errigal Trough | Monaghan |
| Fincarn | 229 | Farney | Donaghmoyne | Castleblayney |
| Fintully | 139 | Cremorne | Clontibret | Monaghan |
| Foremass | 106 | Monaghan | Tedavnet | Monaghan |
| Formil | 308 | Cremorne | Aghnamullen | Castleblayney |
| Formil | 187 | Cremorne | Clontibret | Castleblayney |
| Formil | 133 | Cremorne | Muckno | Castleblayney |
| Formoyle | 146 | Monaghan | Tedavnet | Monaghan |
| Foxhole | 34 | Trough | Donagh | Monaghan |
| Freame Mount Demense | 199 | Dartree | Ematris | Cootehill |
| Fremagh | 54 | Dartree | Killeevan | Clones |
| Gallagh | 184 | Cremorne | Clontibret | Monaghan |
| Gallanagh | 129 | Monaghan | Monaghan | Monaghan |
| Garlegobban | 90 | Farney | Killanny | Carrickmacross |
| Garradevlin | 118 | Cremorne | Clontibret | Castleblayney |
| Garran | 166 | Dartree | Clones | Clones |
| Garran | 218 | Dartree | Aghabog | Monaghan |
| Garran Itra | 175 | Monaghan | Tehallan | Monaghan |
| Garran Otra (or Gibraltar) | 131 | Monaghan | Tehallan | Monaghan |
| Garranroe | 70 | Monaghan | Kilmore | Monaghan |
| Garranroe (or Cornamucklagh) | 193 | Farney | Donaghmoyne | Carrickmacross |
| Garrifly | 77 | Farney | Donaghmoyne | Carrickmacross |
| Garrybane | 158 | Cremorne | Aghnamullen | Castleblayney |
| Garryduff | 242 | Cremorne | Aghnamullen | Castleblayney |
| Genagh | 196 | Dartree | Aghabog | Clones |
| Gibraltar (or Garran Otra) | 131 | Monaghan | Tehallan | Monaghan |
| Gilford | 92 | Monaghan | Tedavnet | Monaghan |
| Girfin | 25 | Trough | Errigal Trough | Clogher |
| Glannan | 46 | Trough | Donagh | Monaghan |
| Glasdrumman | 168 | Monaghan | Tedavnet | Monaghan |
| Glasdrumman East | 174 | Cremorne | Clontibret | Castleblayney |
| Glasdrumman West | 100 | Cremorne | Clontibret | Monaghan |
| Glasdrummond | 223 | Dartree | Killeevan | Monaghan |
| Glasleck | 190 | Trough | Donagh | Monaghan |
| Glaslough | Town | Trough | Donagh | Monaghan |
| Glaslough | 190 | Trough | Donagh | Monaghan |
| Glasmullagh | 167 | Trough | Errigal Trough | Monaghan |
| Glear | 125 | Dartree | Clones | Clones |
| Glebe | 68 | Trough | Errigal Trough | Monaghan |
| Glen | 100 | Dartree | Aghabog | Cootehill |
| Glen | 288 | Dartree | Ematris | Cootehill |
| Glen Beg | 191 | Trough | Errigal Trough | Clogher |
| Glen More | 212 | Trough | Errigal Trough | Clogher |
| Glencorick | 140 | Dartree | Ematris | Cootehill |
| Glenish | 143 | Monaghan | Kilmore | Monaghan |
| Glennyhorn | 117 | Cremorne | Clontibret | Monaghan |
| Glinch | 116 | Dartree | Aghabog | Clones |
| Gola | 36 | Monaghan | Clones | Monaghan |
| Gola English | 268 | Monaghan | Tedavnet | Monaghan |
| Gola Irish | 228 | Monaghan | Tedavnet | Monaghan |
| Golan | 523 | Trough | Donagh | Monaghan |
| Golanduff | 64 | Dartree | Killeevan | Clones |
| Golanmurphy | 94 | Dartree | Killeevan | Monaghan |
| Golree | 46 | Monaghan | Tehallan | Monaghan |
| Gortakeeghan | 149 | Monaghan | Monaghan | Monaghan |
| Gorteens | 119 | Farney | Donaghmoyne | Castleblayney |
| Gortgranard | 146 | Dartree | Killeevan | Clones |
| Gorticleave | 70 | Trough | Errigal Trough | Monaghan |
| Gortlanna | 92 | Cremorne | Aghnamullen | Cootehill |
| Gortmoney | 21 | Trough | Donagh | Monaghan |
| Gortmore North | 136 | Monaghan | Drumsnat | Monaghan |
| Gortmore South | 95 | Monaghan | Drumsnat | Monaghan |
| Gortnana | 114 | Dartree | Killeevan | Clones |
| Gortnana | 141 | Monaghan | Kilmore | Monaghan |
| Gortnawinny | 185 | Dartree | Clones | Clones |
| Graffagh | 125 | Monaghan | Tedavnet | Monaghan |
| Gragarnagh | 214 | Cremorne | Aghnamullen | Castleblayney |
| Gransha Beg | 250 | Dartree | Clones | Clones |
| Gransha More | 220 | Dartree | Clones | Clones |
| Greagh | 386 | Cremorne | Ballybay | Castleblayney |
| Greagh | 345 | Trough | Errigal Trough | Clogher |
| Greagh | 241 | Monaghan | Drumsnat | Monaghan |
| Greagh | 147 | Monaghan | Tedavnet | Monaghan |
| Greaghawillin (Jackson) | 117 | Farney | Magheracloone | Carrickmacross |
| Greaghawillin (Richey) | 135 | Farney | Magheracloone | Carrickmacross |
| Greaghdrumit | 174 | Farney | Magheross | Carrickmacross |
| Greaghdrumneesk | 141 | Farney | Magheross | Carrickmacross |
| Greaghglass | 186 | Monaghan | Monaghan | Monaghan |
| Greaghlane | 266 | Farney | Magheross | Carrickmacross |
| Greaghlatacapple | 350 | Farney | Magheross | Carrickmacross |
| Greaghlone | 449 | Farney | Magheracloone | Carrickmacross |
| Greaghnaroog | 232 | Farney | Magheross | Carrickmacross |
| Greenmount | 97 | Cremorne | Clontibret | Monaghan |
| Grig | 191 | Cremorne | Clontibret | Castleblayney |
| Griggy | 133 | Trough | Donagh | Monaghan |
| Groves Lower | 117 | Cremorne | Tehallan | Monaghan |
| Groves Upper | 122 | Cremorne | Tehallan | Monaghan |
| Guardhill | 105 | Dartree | Killeevan | Clones |
| Halftate | 73 | Farney | Magheracloone | Carrickmacross |
| Hillhall | 146 | Trough | Donagh | Monaghan |
| Hilton Demesne | 542 | Dartree | Currin | Clones |
| Inishammon | 142 | Monaghan | Clones | Monaghan |
| Inishdevlin | 90 | Trough | Donagh | Monaghan |
| Inishkeen Glebe | 69 | Farney | Inishkeen | Dundalk |
| Islands | 148 | Monaghan | Tedavnet | Monaghan |
| Itereery | 123 | Monaghan | Tedavnet | Monaghan |
| Ivy Hill | 92 | Trough | Errigal Trough | Clogher |
| Kednaminsha | 201 | Farney | Donaghmoyne | Carrickmacross |
| Kednugullion | 171 | Farney | Donaghmoyne | Castleblayney |
| Keeneraboy | 165 | Farney | Donaghmoyne | Carrickmacross |
| Keenog | 111 | Monaghan | Drumsnat | Monaghan |
| Keenogbane | 139 | Cremorne | Aghnamullen | Cootehill |
| Keenogduff | 172 | Cremorne | Aghnamullen | Cootehill |
| Keenoge | 295 | Farney | Inishkeen | Dundalk |
| Kibberidog | 103 | Monaghan | Tedavnet | Monaghan |
| Kilcorran | 268 | Monaghan | Clones | Monaghan |
| Kilcran | 39 | Trough | Donagh | Monaghan |
| Kilcreen | 153 | Monaghan | Clones | Monaghan |
| Kilcrow | 124 | Dartree | Ematris | Cootehill |
| Kilcrow | 196 | Cremorne | Clontibret | Monaghan |
| Kilcumber | 55 | Dartree | Killeevan | Clones |
| Kildoagh | 94 | Monaghan | Tehallan | Monaghan |
| Kilfahavon | 199 | Trough | Errigal Trough | Monaghan |
| Kilgormly | 100 | Dartree | Clones | Clones |
| Kilkit | 292 | Cremorne | Aghnamullen | Castleblayney |
| Killabrick | 167 | Farney | Donaghmoyne | Carrickmacross |
| Killakeady | 87 | Trough | Errigal Trough | Monaghan |
| Killanny | 148 | Trough | Errigal Trough | Clogher |
| Killark | 172 | Farney | Magheracloone | Carrickmacross |
| Killark | 119 | Dartree | Currin | Clones |
| Killarue | 155 | Farney | Donaghmoyne | Carrickmacross |
| Killatten | 70 | Monaghan | Tedavnet | Monaghan |
| Killeanly | 112 | Trough | Errigal Trough | Monaghan |
| Killeef | 82 | Monaghan | Tehallan | Monaghan |
| Killeevan Gleve | 108 | Dartree | Killeevan | Clones |
| Killina | 194 | Dartree | Clones | Monaghan |
| Killybern | 138 | Trough | Errigal Trough | Clogher |
| Killyboley | 70 | Farney | Inishkeen | Dundalk |
| Killyboley | 666 | Trough | Donagh | Monaghan |
| Killybough | 89 | Monaghan | Tedavnet | Monaghan |
| Killybreen | 212 | Trough | Errigal Trough | Monaghan |
| Killybressal | 99 | Trough | Errigal Trough | Monaghan |
| Killybrone | 134 | Trough | Errigal Trough | Clogher |
| Killycard | 180 | Cremorne | Muckno | Castleblayney |
| Killycarnan | 86 | Monaghan | Tehallan | Monaghan |
| Killycarnan North | 99 | Monaghan | Tedavnet | Monaghan |
| Killycarnan South | 101 | Monaghan | Tedavnet | Monaghan |
| Killycarran | 241 | Trough | Errigal Trough | Monaghan |
| Killycoghill | 141 | Dartree | Clones | Monaghan |
| Killyconigan | 203 | Trough | Donagh | Monaghan |
| Killyconigan | 87 | Monaghan | Monaghan | Monaghan |
| Killycooly | 271 | Trough | Donagh | Monaghan |
| Killycoouagh | 231 | Dartree | Killeevan | Clones |
| Killycorran | 40 | Trough | Errigal Trough | Monaghan |
| Killycracken | 330 | Cremorne | Muckno | Castleblayney |
| Killycreen | 83 | Monaghan | Tedavnet | Monaghan |
| Killycrom | 156 | Cremorne | Clontibret | Castleblayney |
| Killycronaghan | 108 | Dartree | Killeevan | Clones |
| Killycushil | 72 | Monaghan | Monaghan | Monaghan |
| Killydonagh | 78 | Trough | Errigal Trough | Monaghan |
| Killydonnelly | 148 | Monaghan | Tedavnet | Monaghan |
| Killydreen | 117 | Trough | Errigal Trough | Clogher |
| Killydrutan | 78 | Monaghan | Monaghan | Monaghan |
| Killyfaragh | 130 | Trough | Errigal Trough | Monaghan |
| Killyfargy | 136 | Dartree | Currin | Clones |
| Killyfuddy | 207 | Dartree | Killeevan | Clones |
| Killygally | 183 | Farney | Magheracloone | Carrickmacross |
| Killygavna | 285 | Monaghan | Tedavnet | Monaghan |
| Killygola | 271 | Cremorne | Muckno | Castleblayney |
| Killygone | 100 | Dartree | Killeevan | Clones |
| Killygorman | 75 | Dartree | Killeevan | Clones |
| Killygowan | 98 | Monaghan | Monaghan | Monaghan |
| Killygragy | 137 | Dartree | Aghabog | Cootehill |
| Killygrallan | 189 | Monaghan | Tedavnet | Monaghan |
| Killyhoman | 151 | Trough | Errigal Trough | Clogher |
| Killykerragh | 111 | Dartree | Clones | Monaghan |
| Killykeskeame | 127 | Dartree | Killeevan | Monaghan |
| Killylaragh | 107 | Trough | Errigal Trough | Monaghan |
| Killyleck (Lucas) | 80 | Trough | Errigal Trough | Monaghan |
| Killyleck (or Anketell) | 86 | Trough | Errigal Trough | Monaghan |
| Killyleen | 139 | Monaghan | Kilmore | Monaghan |
| Killyleg | 166 | Dartree | Aghabog | Cootehill |
| Killyliss | 109 | Cremorne | Aghnamullen | Cootehill |
| Killylough | 296 | Monaghan | Tedavnet | Monaghan |
| Killyloughavoy | 97 | Trough | Errigal Trough | Clogher |
| Killymarly | 180 | Monaghan | Monaghan | Monaghan |
| Killymarran | 75 | Monaghan | Tedavnet | Monaghan |
| Killymonaghan | 143 | Cremorne | Clontibret | Monaghan |
| Killymurry | 133 | Trough | Errigal Trough | Monaghan |
| Killyneill | 231 | Monaghan | Tehallan | Monaghan |
| Killynenagh | 348 | Dartree | Currin | Cootehill |
| Killyrean Lower | 103 | Trough | Donagh | Monaghan |
| Killyrean Upper | 173 | Trough | Donagh | Monaghan |
| Killyreask | 68 | Trough | Errigal Trough | Clogher |
| Killyslavan | 95 | Trough | Errigal Trough | Clogher |
| Killytur | 98 | Monaghan | Tedavnet | Monaghan |
| Killyvane | 96 | Monaghan | Monaghan | Monaghan |
| Kilmactrasna | 139 | Farney | Magheross | Carrickmacross |
| Kilmore East | 260 | Dartree | Ematris | Cootehill |
| Kilmore East | 171 | Monaghan | Tedavnet | Monaghan |
| Kilmore West | 252 | Dartree | Ematris | Cootehill |
| Kilmore West | 294 | Monaghan | Tedavnet | Monaghan |
| Kilmurry | 365 | Farney | Donaghmoyne | Carrickmacross |
| Kilnaclay | 258 | Monaghan | Drumsnat | Monaghan |
| Kilnacloy | 136 | Monaghan | Monaghan | Monaghan |
| Kilnacran | 213 | Monaghan | Tullycorbet | Monaghan |
| Kilnacranfy | 95 | Farney | Donaghmoyne | Carrickmacross |
| Kilnadreen | 167 | Trough | Donagh | Monaghan |
| Kilnageer | 73 | Trough | Errigal Trough | Monaghan |
| Kilnagullan | 83 | Trough | Errigal Trough | Monaghan |
| Kilnahaltar | 143 | Monaghan | Kilmore | Monaghan |
| Kilnaharvey | 122 | Dartree | Ematris | Cootehill |
| Kilnamaddy | 114 | Dartree | Killeevan | Clones |
| Kilnamaddy | 108 | Monaghan | Monaghan | Monaghan |
| Kilnamaddy | 218 | Monaghan | Tullycorbet | Monaghan |
| Kiltubbrid | 68 | Trough | Errigal Trough | Monaghan |
| Kiltubbrid | 246 | Monaghan | Kilmore | Monaghan |
| Kiltybegs | 301 | Farney | Donaghmoyne | Carrickmacross |
| Kiltybegs | 124 | Trough | Donagh | Monaghan |
| Kilvey | 206 | Trough | Donagh | Monaghan |
| Kinallybane | 162 | Farney | Killanny | Carrickmacross |
| Kinallyduff | 138 | Farney | Killanny | Carrickmacross |
| Kinard | 69 | Cremorne | Tehallan | Monaghan |
| Kincorragh | 83 | Monaghan | Clones | Monaghan |
| Kinduff | 213 | Dartree | Ematris | Cootehill |
| Kingorry | 92 | Monaghan | Tehallan | Monaghan |
| Kinnagin | 222 | Cremorne | Clontibret | Castleblayney |
| Kinturk | 118 | Dartree | Killeevan | Clones |
| Knappagh | 214 | Cremorne | Ballybay | Castleblayney |
| Knockabeany | 157 | Trough | Errigal Trough | Clogher |
| Knockaconny | 100 | Monaghan | Monaghan | Monaghan |
| Knockacullion | 61 | Monaghan | Tedavnet | Monaghan |
| Knockacunnier | 70 | Monaghan | Tehallan | Monaghan |
| Knockakirwan | 98 | Trough | Errigal Trough | Monaghan |
| Knockanearla | 462 | Monaghan | Tedavnet | Monaghan |
| Knockaphubble | 88 | Trough | Donagh | Monaghan |
| Knockatallan | 405 | Monaghan | Tedavnet | Monaghan |
| Knockaturly | 362 | Monaghan | Monaghan | Monaghan |
| Knockavolis | 392 | Cremorne | Clontibret | Castleblayney |
| Knockballyroney | 796 | Monaghan | Tedavnet | Monaghan |
| Knockboy | 34 | Monaghan | Tehallan | Monaghan |
| Knockconan | 18 | Trough | Errigal Trough | Monaghan |
| Knockcor | 221 | Dartree | Aghabog | Cootehill |
| Knockcor | 130 | Monaghan | Tedavnet | Monaghan |
| Knockinure | 23 | Monaghan | Clones | Monaghan |
| Knocknacarney | 27 | Trough | Errigal Trough | Monaghan |
| Knocknacran East | 154 | Farney | Magheracloone | Carrickmacross |
| Knocknacran West | 179 | Farney | Magheracloone | Carrickmacross |
| Knocknagarnaman | 196 | Farney | Inishkeen | Dundalk |
| Knocknageeha | 354 | Monaghan | Tedavnet | Monaghan |
| Knocknagrat | 78 | Monaghan | Clones | Monaghan |
| Knocknagrave | 225 | Trough | Donagh | Monaghan |
| Knocknalun | 275 | Monaghan | Tedavnet | Monaghan |
| Knocknamaddy | 320 | Cremorne | Ballybay | Castleblayney |
| Knocknamullagh (or Derryilan) | 212 | Farney | Donaghmoyne | Carrickmacross |
| Knocknaneen | 400 | Cremorne | Muckno | Castleblayney |
| Knocknasave | 110 | Trough | Donagh | Monaghan |
| Knockreagh | 54 | Farney | Inishkeen | Dundalk |
| Knockreagh Lower | 142 | Farney | Donaghmoyne | Castleblayney |
| Knockreagh Upper | 183 | Farney | Donaghmoyne | Carrickmacross |
| Knockronaghan | 195 | Trough | Donagh | Monaghan |
| Knocks East | 78 | Dartree | Currin | Cootehill |
| Knocks West | 162 | Dartree | Currin | Clones |
| Lackafin | 207 | Farney | Donaghmoyne | Castleblayney |
| Lackagh | 222 | Cremorne | Clontibret | Castleblayney |
| Lackan | 340 | Cremorne | Aghnamullen | Castleblayney |
| Lacklom | 187 | Farney | Inishkeen | Dundalk |
| Lagan | 210 | Cremorne | Aghnamullen | Castleblayney |
| Lannat | 184 | Farney | Inishkeen | Dundalk |
| Lantaur | 193 | Monaghan | Tullycorbet | Monaghan |
| Lappan | 102 | Cremorne | Tehallan | Monaghan |
| Laragh | 159 | Farney | Donaghmoyne | Carrickmacross |
| Laragh | 365 | Cremorne | Aghnamullen | Castleblayney |
| Laragh | 387 | Cremorne | Ballybay | Castleblayney |
| Largy | 125 | Dartree | Clones | Clones |
| Latgallan | 48 | Dartree | Clones | Clones |
| Latgee | 9 | Trough | Errigal Trough | Monaghan |
| Latinalbany | 184 | Farney | Magheross | Carrickmacross |
| Latlorcan | 151 | Monaghan | Monaghan | Monaghan |
| Latnakelly | 140 | Cremorne | Clontibret | Castleblayney |
| Latnamard | 322 | Dartree | Aghabog | Monaghan |
| Latroe | 110 | Dartree | Killeevan | Clones |
| Lattacrom | 396 | Cremorne | Aghnamullen | Castleblayney |
| Lattacrossan | 169 | Dartree | Currin | Clones |
| Lattigar | 28 | Monaghan | Monaghan | Monaghan |
| Latton | 333 | Cremorne | Aghnamullen | Cootehill |
| Lattonfasky | 337 | Cremorne | Aghnamullen | Castleblayney |
| Lattylanigan | 122 | Farney | Donaghmoyne | Carrickmacross |
| Lavagilduff | 252 | Farney | Magheracloone | Carrickmacross |
| Leagh | 100 | Cremorne | Aghnamullen | Cootehill |
| Leagh | 168 | Monaghan | Monaghan | Monaghan |
| Leck | 195 | Monaghan | Kilmore | Monaghan |
| Lecklevera | 284 | Dartree | Killeevan | Monaghan |
| Leeg | 303 | Farney | Killanny | Carrickmacross |
| Leek | 204 | Trough | Donagh | Monaghan |
| Legacurry | 183 | Trough | Donagh | Monaghan |
| Legacurry | 164 | Monaghan | Tullycorbet | Monaghan |
| Legarhill | 158 | Dartree | Clones | Clones |
| Legghimore | 178 | Farney | Magheross | Carrickmacross |
| Legnacreeve | 286 | Monaghan | Monaghan | Monaghan |
| Legnakelly | 238 | Dartree | Clones | Clones |
| Leitrim | 153 | Farney | Magheracloone | Carrickmacross |
| Leitrim | 287 | Monaghan | Tehallan | Monaghan |
| Lemgare | 427 | Cremorne | Clontibret | Castleblayney |
| Lenagh | 106 | Trough | Errigal Trough | Monaghan |
| Lennaght | 257 | Monaghan | Tedavnet | Monaghan |
| Lennan | 156 | Monaghan | Tullycorbet | Monaghan |
| Leonards Island | 100 | Dartree | Clones | Clones |
| Leons (M'Kenna) (or Leons Garve) | 270 | Farney | Magheracloone | Carrickmacross |
| Leons Beg | 80 | Farney | Magheracloone | Carrickmacross |
| Leons Garve (or Leons (M'Kenna)) | 270 | Farney | Magheracloone | Carrickmacross |
| Letgonnelly | 61 | Trough | Donagh | Monaghan |
| Letloonigan | 12 | Trough | Donagh | Monaghan |
| Letteragh | 120 | Cremorne | Clontibret | Monaghan |
| Letterbane | 276 | Cremorne | Clontibret | Monaghan |
| Lisabuck | 129 | Dartree | Killeevan | Clones |
| Lisacullion | 259 | Farney | Magheross | Carrickmacross |
| Lisaginny | 103 | Cremorne | Clontibret | Monaghan |
| Lisagore | 100 | Farney | Donaghmoyne | Castleblayney |
| Lisalea | 111 | Dartree | Killeevan | Clones |
| Lisanisk | 206 | Farney | Magheross | Carrickmacross |
| Lisanly | 193 | Cremorne | Clontibret | Castleblayney |
| Lisaquill | 70 | Farney | Donaghmoyne | Castleblayney |
| Lisarearke | 149 | Dartree | Currin | Clones |
| Lisarilly | 118 | Dartree | Killeevan | Monaghan |
| Lisatilister | 163 | Farney | Magheracloone | Carrickmacross |
| Lisavargy | 70 | Trough | Errigal Trough | Monaghan |
| Lisbane | 36 | Monaghan | Kilmore | Monaghan |
| Lisboy | 82 | Trough | Donagh | Monaghan |
| Lisbrannan | 159 | Dartree | Ematris | Cootehill |
| Liscarnan | 128 | Farney | Magheracloone | Carrickmacross |
| Liscarney | 60 | Monaghan | Tehallan | Monaghan |
| Liscat | 58 | Monaghan | Drumsnat | Monaghan |
| Lisconduff | 113 | Cremorne | Tehallan | Monaghan |
| Liscorran | 28 | Farney | Magheracloone | Carrickmacross |
| Liscumasky | 321 | Dartree | Aghabog | Monaghan |
| Lisdarragh | 146 | Dartree | Killeevan | Clones |
| Lisdonny | 282 | Cremorne | Muckno | Castleblayney |
| Lisdoonan | 169 | Farney | Donaghmoyne | Carrickmacross |
| Lisdrumcleve | 331 | Cremorne | Aghnamullen | Castleblayney |
| Lisdrumdoagh | 103 | Monaghan | Monaghan | Monaghan |
| Lisdrumgormly | 255 | Cremorne | Clontibret | Castleblayney |
| Lisdrumturk | 337 | Farney | Magheross | Carrickmacross |
| Lisduff | 270 | Cremorne | Aghnamullen | Castleblayney |
| Liseenan | 362 | Cremorne | Muckno | Castleblayney |
| Liseggerton | 151 | Dartree | Clones | Clones |
| Lisgall | 155 | Farney | Donaghmoyne | Carrickmacross |
| Lisgall | 67 | Dartree | Clones | Clones |
| Lisgillan | 295 | Cremorne | Aghnamullen | Cootehill |
| Lisglassan | 138 | Cremorne | Clontibret | Monaghan |
| Lisgoagh | 102 | Trough | Donagh | Monaghan |
| Lisgorran | 196 | Cremorne | Aghnamullen | Cootehill |
| Lisgrew | 51 | Trough | Errigal Trough | Monaghan |
| Lisinan | 97 | Monaghan | Clones | Monaghan |
| Lisinisky | 302 | Cremorne | Aghnamullen | Carrickmacross |
| Lisirril | 282 | Farney | Magheross | Carrickmacross |
| Liskeabrick | 56 | Monaghan | Clones | Monaghan |
| Liskenna | 76 | Trough | Errigal Trough | Monaghan |
| Lislannan | 66 | Dartree | Clones | Clones |
| Lislea | 75 | Dartree | Currin | Clones |
| Lislea | 105 | Dartree | Aghabog | Cootehill |
| Lisleitrim | 145 | Monaghan | Monaghan | Monaghan |
| Lislongfield | 169 | Dartree | Aghabog | Cootehill |
| Lislynchahan | 145 | Dartree | Ematris | Cootehill |
| Lismacrerk | 137 | Monaghan | Monaghan | Monaghan |
| Lismagonway | 136 | Dartree | Aghabog | Cootehill |
| Lismagunshin | 151 | Cremorne | Clontibret | Monaghan |
| Lismeagh | 55 | Dartree | Clones | Clones |
| Lismenan | 24 | Monaghan | Monaghan | Monaghan |
| Lisnaclea | 171 | Farney | Magheracloone | Carrickmacross |
| Lisnadarragh | 274 | Cremorne | Aghnamullen | Carrickmacross |
| Lisnafeddaly | 201 | Farney | Magheross | Carrickmacross |
| Lisnafinelly | 72 | Farney | Donaghmoyne | Carrickmacross |
| Lisnagalliagh | 239 | Cremorne | Aghnamullen | Cootehill |
| Lisnagore | 275 | Dartree | Killeevan | Clones |
| Lisnagreeve | 197 | Cremorne | Clontibret | Castleblayney |
| Lisnaguiveragh | 179 | Farney | Magheross | Carrickmacross |
| Lisnagunnion | 134 | Farney | Donaghmoyne | Carrickmacross |
| Lisnakeeny | 189 | Farney | Magheracloone | Carrickmacross |
| Lisnakelly | 158 | Farney | Killanny | Carrickmacross |
| Lisnalee | 225 | Dartree | Currin | Clones |
| Lisnalee | 145 | Monaghan | Kilmore | Monaghan |
| Lisnalong | 150 | Cremorne | Aghnamullen | Cootehill |
| Lisnamacka | 99 | Farney | Donaghmoyne | Carrickmacross |
| Lisnamoyle Etra | 150 | Farney | Donaghmoyne | Carrickmacross |
| Lisnamoyle Otra | 149 | Farney | Donaghmoyne | Carrickmacross |
| Lisnanore | 46 | Monaghan | Tehallan | Monaghan |
| Lisnaroe Far | 83 | Dartree | Clones | Clones |
| Lisnaroe Near | 131 | Dartree | Clones | Clones |
| Lisnashannagh | 106 | Farney | Killanny | Carrickmacross |
| Lisnashannagh | 194 | Monaghan | Kilmore | Monaghan |
| Lisnaveane | 283 | Dartree | Ematris | Cootehill |
| Lisnaveane | 206 | Cremorne | Tullycorbet | Monaghan |
| Lisoarty | 112 | Dartree | Clones | Clones |
| Lisquigny | 133 | Monaghan | Tullycorbet | Monaghan |
| Lisroosky | 105 | Trough | Errigal Trough | Monaghan |
| Lissaraw | 193 | Monaghan | Monaghan | Monaghan |
| Lisseagh | 56 | Trough | Errigal Trough | Monaghan |
| Listellan | 146 | Dartree | Killeevan | Clones |
| Listinny | 105 | Cremorne | Clontibret | Monaghan |
| Listraheagny | 89 | Monaghan | Monaghan | Monaghan |
| Listroar | 134 | Cremorne | Clontibret | Monaghan |
| Longfield | 374 | Cremorne | Muckno | Castleblayney |
| Longfield | 164 | Dartree | Clones | Clones |
| Longfield Etra | 139 | Farney | Donaghmoyne | Carrickmacross |
| Longfield Otra | 146 | Farney | Donaghmoyne | Carrickmacross |
| Looart | 148 | Trough | Donagh | Monaghan |
| Losset | 181 | Farney | Magheracloone | Carrickmacross |
| Losset | 172 | Dartree | Ematris | Cootehill |
| Losset | 124 | Monaghan | Kilmore | Monaghan |
| Lossets | 99 | Farney | Magheross | Carrickmacross |
| Loughbrattoge | 343 | Cremorne | Muckno | Castleblayney |
| Loughoony | 66 | Dartree | Clones | Clones |
| Lowertown | 64 | Dartree | Clones | Clones |
| Loyst | 224 | Monaghan | Kilmore | Monaghan |
| Luppan | 125 | Trough | Errigal Trough | Clogher |
| Lurgachamlough | 218 | Cremorne | Aghnamullen | Castleblayney |
| Lurganboy | 188 | Cremorne | Muckno | Castleblayney |
| Lurganboy | 217 | Dartree | Currin | Cootehill |
| Lurganboys | 232 | Farney | Donaghmoyne | Carrickmacross |
| Lurganearly | 325 | Cremorne | Muckno | Castleblayney |
| Lurgangreen | 328 | Cremorne | Aghnamullen | Castleblayney |
| Lurganmore | 181 | Cremorne | Muckno | Castleblayney |
| Lurgans | 273 | Farney | Magheross | Carrickmacross |
| Magheraboy | 170 | Farney | Magheross | Carrickmacross |
| Magheranure | 113 | Dartree | Clones | Clones |
| Magherarny | 248 | Dartree | Clones | Clones |
| Magherashaghry | 177 | Dartree | Currin | Cootehill |
| Maghernacloy | 152 | Farney | Magheracloone | Carrickmacross |
| Maghernaharny | 404 | Dartree | Ematris | Cootehill |
| Maghernakelly | 125 | Dartree | Ematris | Cootehill |
| Maghernakill | 148 | Farney | Donaghmoyne | Castleblayney |
| Magheross | 136 | Farney | Magheross | Carrickmacross |
| Maghery | 114 | Monaghan | Clones | Inishowen |
| Maghon | 497 | Cremorne | Aghnamullen | Cootehill |
| Magoney | 200 | Farney | Inishkeen | Dundalk |
| Mason Lodge | 43 | Farney | Magheracloone | Carrickmacross |
| Milligan | 96 | Monaghan | Tedavnet | Monaghan |
| Milltown | 191 | Dartree | Ematris | Cootehill |
| Miskish Beg | 95 | Farney | Inishkeen | Dundalk |
| Miskish More | 75 | Farney | Inishkeen | Dundalk |
| Modesse | 218 | Cremorne | Clontibret | Castleblayney |
| Mokeeran | 158 | Farney | Magheracloone | Carrickmacross |
| Momony | 89 | Farney | Donaghmoyne | Carrickmacross |
| Monage | 82 | Dartree | Ematris | Cootehill |
| Monaghan | Town | Monaghan | Monaghan | Monaghan |
| Monagor | 186 | Cremorne | Clontibret | Castleblayney |
| Monalia | 164 | Farney | Donaghmoyne | Carrickmacross |
| Monaltybane | 130 | Farney | Killanny | Carrickmacross |
| Monaltyduff | 130 | Farney | Killanny | Carrickmacross |
| Monanagirr | 174 | Farney | Donaghmoyne | Carrickmacross |
| Monanny | 159 | Farney | Donaghmoyne | Carrickmacross |
| Monantin | 142 | Cremorne | Ballybay | Castleblayney |
| Money | 235 | Cremorne | Aghnamullen | Cootehill |
| Moneyvolan | 181 | Cremorne | Clontibret | Castleblayney |
| Monintin | 240 | Cremorne | Aghnamullen | Cootehill |
| Monmurry | 246 | Trough | Donagh | Monaghan |
| Monneill | 117 | Dartree | Ematris | Cootehill |
| Monyglen | 221 | Farney | Donaghmoyne | Carrickmacross |
| Monygorbet | 48 | Farney | Donaghmoyne | Castleblayney |
| Moraghy | 121 | Cremorne | Muckno | Castleblayney |
| Mount Anketell | 60 | Trough | Errigal Trough | Monaghan |
| Mount Carmel | 183 | Cremorne | Aghnamullen | Cootehill |
| Mountain Lodge Demesne | 484 | Cremorne | Aghnamullen | Cootehill |
| Moy | 225 | Cremorne | Muckno | Castleblayney |
| Moy | 165 | Trough | Errigal Trough | Clogher |
| Moy Etra | 160 | Cremorne | Clontibret | Monaghan |
| Moy Otra | 112 | Cremorne | Clontibret | Monaghan |
| Moyle Beg | 145 | Cremorne | Aghnamullen | Cootehill |
| Moyle More | 157 | Cremorne | Aghnamullen | Cootehill |
| Moylemuck | 147 | Cremorne | Aghnamullen | Cootehill |
| Moyles | 121 | Farney | Donaghmoyne | Carrickmacross |
| Moyles | 241 | Monaghan | Monaghan | Monaghan |
| Moylough | 103 | Farney | Magheracloone | Carrickmacross |
| Moysnaght | 121 | Cremorne | Clontibret | Monaghan |
| Mucker | 101 | Farney | Donaghmoyne | Carrickmacross |
| Mucklagh | 57 | Dartree | Currin | Cootehill |
| Muff | 75 | Farney | Donaghmoyne | Carrickmacross |
| Muladuff | 101 | Monaghan | Clones | Monaghan |
| Muldrumman | 194 | Cremorne | Clontibret | Castleblayney |
| Mullabrack | 95 | Monaghan | Clones | Monaghan |
| Mullabrack (Scott) | 88 | Trough | Donagh | Monaghan |
| Mullabrack (Shaw) | 100 | Trough | Donagh | Monaghan |
| Mullabryan | 220 | Trough | Errigal Trough | Monaghan |
| Mulladermot | 119 | Trough | Errigal Trough | Monaghan |
| Mullagarry | 162 | Cremorne | Clontibret | Monaghan |
| Mullagh Otra | 130 | Trough | Errigal Trough | Clogher |
| Mullaghadun | 115 | Monaghan | Monaghan | Monaghan |
| Mullaghanee | 222 | Cremorne | Clontibret | Castleblayney |
| Mullaghbane | 168 | Trough | Donagh | Monaghan |
| Mullaghboy | 108 | Dartree | Killeevan | Clones |
| Mullaghboy | 121 | Trough | Donagh | Monaghan |
| Mullaghcor | 121 | Trough | Errigal Trough | Monaghan |
| Mullaghcroghery | 321 | Farney | Magheross | Carrickmacross |
| Mullaghcroghery | 53 | Monaghan | Monaghan | Monaghan |
| Mullaghduff | 159 | Cremorne | Clontibret | Castleblayney |
| Mullaghduff | 117 | Trough | Donagh | Monaghan |
| Mullaghgarve | 119 | Farney | Magheracloone | Carrickmacross |
| Mullaghgreenan | 176 | Dartree | Aghabog | Cootehill |
| Mullaghinshigo | 206 | Monaghan | Tedavnet | Monaghan |
| Mullaghmacateer | 155 | Farney | Killanny | Carrickmacross |
| Mullaghmatt | 68 | Monaghan | Monaghan | Monaghan |
| Mullaghmeen | 119 | Farney | Killanny | Carrickmacross |
| Mullaghmonaghan | 92 | Monaghan | Monaghan | Monaghan |
| Mullaghmore | 85 | Trough | Errigal Trough | Clogher |
| Mullaghmore | 176 | Dartree | Aghabog | Cootehill |
| Mullaghmore | 122 | Monaghan | Tehallan | Monaghan |
| Mullaghmore East | 115 | Monaghan | Tedavnet | Monaghan |
| Mullaghmore North | 285 | Monaghan | Tedavnet | Monaghan |
| Mullaghmore West | 146 | Monaghan | Tedavnet | Monaghan |
| Mullaghnahegny | 105 | Trough | Errigal Trough | Monaghan |
| Mullaghpeak | 129 | Trough | Donagh | Monaghan |
| Mullaghrafferty | 121 | Farney | Magheracloone | Carrickmacross |
| Mullaghselsana | 46 | Trough | Errigal Trough | Clogher |
| Mullaghunshinagh | 365 | Farney | Donaghmoyne | Carrickmacross |
| Mullaglassan | 108 | Monaghan | Clones | Monaghan |
| Mullaliss | 123 | Trough | Donagh | Monaghan |
| Mullaloughan | 182 | Trough | Donagh | Monaghan |
| Mullamurphy | 110 | Trough | Donagh | Monaghan |
| Mullan | 71 | Trough | Errigal Trough | Monaghan |
| Mullan | 242 | Monaghan | Tullycorbet | Monaghan |
| Mullanabattog | 129 | Monaghan | Monaghan | Monaghan |
| Mullanacask | 140 | Trough | Errigal Trough | Clogher |
| Mullanacloy | 145 | Dartree | Clones | Clones |
| Mullanacross | 137 | Trough | Errigal Trough | Clogher |
| Mullanacross | 136 | Monaghan | Drumsnat | Monaghan |
| Mullanafinnog | 58 | Trough | Errigal Trough | Clogher |
| Mullanagore | 225 | Cremorne | Aghnamullen | Cootehill |
| Mullanamoy | 80 | Dartree | Clones | Clones |
| Mullananallog | 101 | Trough | Errigal Trough | Monaghan |
| Mullananalt | 216 | Cremorne | Aghnamullen | Castleblayney |
| Mullanarockan | 113 | Monaghan | Tedavnet | Monaghan |
| Mullanarry | 125 | Farney | Magheross | Carrickmacross |
| Mullanary Glebe | 182 | Cremorne | Aghnamullen | Cootehill |
| Mullanarycortannel | 270 | Cremorne | Aghnamullen | Castleblayney |
| Mullanavannog | 78 | Farney | Donaghmoyne | Carrickmacross |
| Mullanavannog | 113 | Monaghan | Drumsnat | Monaghan |
| Mullandavagh | 139 | Monaghan | Clones | Monaghan |
| Mullanderg | 141 | Trough | Errigal Trough | Monaghan |
| Mullanlary | 95 | Trough | Donagh | Monaghan |
| Mullans | 66 | Cremorne | Clontibret | Monaghan |
| Mullantimore | 122 | Monaghan | Tedavnet | Monaghan |
| Mullantlavan | 159 | Farney | Magheracloone | Carrickmacross |
| Mullantornan | 157 | Farney | Magheracloone | Carrickmacross |
| Mullatigorry | 160 | Monaghan | Tedavnet | Monaghan |
| Mullatishaughlin | 178 | Monaghan | Tedavnet | Monaghan |
| Mullyash | 337 | Cremorne | Muckno | Castleblayney |
| Mullycrock | 165 | Monaghan | Tullycorbet | Monaghan |
| Mullyera | 65 | Monaghan | Tedavnet | Monaghan |
| Mullyera | 57 | Monaghan | Tedavnet | Monaghan |
| Mullyjordan | 193 | Trough | Donagh | Monaghan |
| Mullyknock | 162 | Monaghan | Monaghan | Monaghan |
| Mullylusty | 171 | Farney | Magheracloone | Carrickmacross |
| Mullymagaraghan | 95 | Dartree | Aghabog | Cootehill |
| Mullynahinch | 139 | Monaghan | Kilmore | Monaghan |
| Mullynure | 81 | Trough | Errigal Trough | Clogher |
| Mullyore | 141 | Farney | Magheracloone | Carrickmacross |
| Munnilly | 149 | Dartree | Clones | Clones |
| Nafarty | 263 | Farney | Magheross | Carrickmacross |
| Naghill | 155 | Monaghan | Drumsnat | Monaghan |
| Nart | 105 | Monaghan | Clones | Monaghan |
| Nart | 177 | Monaghan | Kilmore | Monaghan |
| Newbliss | Town | Dartree | Killeevan | Clones |
| Newbliss | 347 | Dartree | Killeevan | Clones |
| Newgrove | 144 | Monaghan | Tedavnet | Monaghan |
| Nook | 85 | Dartree | Clones | Clones |
| Nure Beg | 47 | Farney | Killanny | Carrickmacross |
| Nure Beg | 85 | Farney | Magheracloone | Carrickmacross |
| Nure More | 128 | Farney | Killanny | Carrickmacross |
| Nure More | 118 | Farney | Magheracloone | Carrickmacross |
| Oghill | 91 | Farney | Donaghmoyne | Carrickmacross |
| Oghill | 289 | Cremorne | Clontibret | Castleblayney |
| Onomy | 125 | Cremorne | Muckno | Castleblayney |
| Oram | Town | Cremorne | Muckno | Castleblayney |
| Ouvry | 190 | Farney | Magheross | Carrickmacross |
| Peast | 211 | Farney | Magheross | Carrickmacross |
| Point | 115 | Monaghan | Kilmore | Monaghan |
| Portinaghy | 123 | Trough | Donagh | Monaghan |
| Pullans | 192 | Cremorne | Clontibret | Monaghan |
| Pullis | 222 | Trough | Donagh | Monaghan |
| Quiglough | 103 | Monaghan | Tedavnet | Monaghan |
| Rabows | 70 | Dartree | Killeevan | Clones |
| Racaulfield | 99 | Dartree | Killeevan | Clones |
| Rackwallace | 308 | Monaghan | Monaghan | Monaghan |
| Raconnellk | 225 | Monaghan | Tedavnet | Monaghan |
| Racreeghan (or Fastry) | 284 | Dartree | Ematris | Cootehill |
| Radeerpark | 255 | Dartree | Killeevan | Clones |
| Radeery | 139 | Dartree | Aghabog | Monaghan |
| Radrum | 164 | Monaghan | Kilmore | Monaghan |
| Radrumskean | 112 | Farney | Killanny | Carrickmacross |
| Rafeenan | 272 | Monaghan | Tedavnet | Monaghan |
| Raferagh | 551 | Farney | Magheross | Carrickmacross |
| Raflacony | 72 | Trough | Errigal Trough | Clogher |
| Rahans | 249 | Farney | Donaghmoyne | Carrickmacross |
| Rahans | 164 | Farney | Magheracloone | Carrickmacross |
| Rakean | 138 | Dartree | Aghabog | Cootehill |
| Rakeeragh | 163 | Farney | Magheross | Carrickmacross |
| Rakeeragh | 107 | Dartree | Ematris | Cootehill |
| Rakeeragh | 137 | Monaghan | Monaghan | Monaghan |
| Rakeevan | 70 | Dartree | Aghabog | Cootehill |
| Rakelly | 51 | Trough | Errigal Trough | Clogher |
| Ralaghan | 163 | Trough | Errigal Trough | Monaghan |
| Ramanny | 114 | Monaghan | Monaghan | Monaghan |
| Ramoy | 46 | Dartree | Clones | Clones |
| Rarutagh | 117 | Trough | Donagh | Monaghan |
| Rateerbane | 136 | Dartree | Killeevan | Clones |
| Rathmore | 160 | Farney | Donaghmoyne | Carrickmacross |
| Rausker | 175 | Cremorne | Clontibret | Castleblayney |
| Raw | 151 | Cremorne | Aghnamullen | Cootehill |
| Rebane | 272 | Cremorne | Aghnamullen | Castleblayney |
| Reduff | 214 | Cremorne | Aghnamullen | Castleblayney |
| Rockcorry | Town | Dartree | Ematris | Cootehill |
| Roo | 171 | Cremorne | Aghnamullen | Castleblayney |
| Roosky | 226 | Dartree | Killeevan | Clones |
| Roosky | 119 | Monaghan | Drumsnat | Monaghan |
| Roosky | 154 | Monaghan | Monaghan | Monaghan |
| Roranna | 137 | Dartree | Drummully | Clones |
| Rosefield | 178 | Monaghan | Kilmore | Monaghan |
| Rossarrell | 133 | Trough | Donagh | Monaghan |
| Rossdreenagh | 279 | Farney | Donaghmoyne | Carrickmacross |
| Rossnaglogh East | 125 | Dartree | Aghabog | Cootehill |
| Rossnaglogh West | 110 | Dartree | Aghabog | Cootehill |
| Rossolius | 192 | Cremorne | Clontibret | Castleblayney |
| Rough Hill | 64 | Monaghan | Clones | Monaghan |
| Sandhills | 78 | Dartree | Currin | Clones |
| Scalkill | 365 | Farney | Magheracloone | Carrickmacross |
| Scarnageeragh (or Emyvale) | 119 | Trough | Donagh | Monaghan |
| Scarvy | 140 | Dartree | Killeevan | Clones |
| Scotstown | Town | Monaghan | Tedavnet | Monaghan |
| Searkin | 118 | Dartree | Killeevan | Clones |
| Seaveagh | 143 | Monaghan | Tehallan | Monaghan |
| Seeola | 129 | Farney | Inishkeen | Dundalk |
| Selloo | 65 | Monaghan | Clones | Monaghan |
| Shanco | 429 | Farney | Magheross | Carrickmacross |
| Shanco | 70 | Dartree | Killeevan | Clones |
| Shanco | 88 | Trough | Errigal Trough | Monaghan |
| Shancobane | 125 | Farney | Donaghmoyne | Carrickmacross |
| Shancoduff | 135 | Farney | Donaghmoyne | Carrickmacross |
| Shane | 180 | Cremorne | Ballybay | Castleblayney |
| Shanemullagh | 125 | Cremorne | Clontibret | Monaghan |
| Shankill | 259 | Cremorne | Aghnamullen | Carrickmacross |
| Shankill | 243 | Dartree | Clones | Clones |
| Shanmullagh | 127 | Farney | Killanny | Carrickmacross |
| Shanmullagh | 161 | Trough | Errigal Trough | Clogher |
| Shanmullagh | 143 | Cremorne | Clontibret | Monaghan |
| Shanmullagh | 213 | Monaghan | Tullycorbet | Monaghan |
| Shanmullagh North | 36 | Monaghan | Clones | Monaghan |
| Shanmullagh South | 159 | Dartree | Clones | Clones |
| Shanrah | 129 | Farney | Killanny | Carrickmacross |
| Shanroe | 83 | Monaghan | Clones | Monaghan |
| Shantonagh | 220 | Cremorne | Aghnamullen | Castleblayney |
| Shantonagh | 150 | Cremorne | Ballybay | Castleblayney |
| Shantony | 151 | Cremorne | Aghnamullen | Castleblayney |
| Shee | 196 | Monaghan | Tedavnet | Monaghan |
| Sheetrim | 224 | Cremorne | Clontibret | Castleblayney |
| Sheetrim | 142 | Monaghan | Monaghan | Monaghan |
| Sheetrim | 287 | Monaghan | Tedavnet | Monaghan |
| Shelvins | 163 | Monaghan | Tehallan | Monaghan |
| Sheskin | 418 | Monaghan | Tedavnet | Monaghan |
| Sillis | 310 | Trough | Donagh | Monaghan |
| Skeachorn | 121 | Dartree | Killeevan | Clones |
| Skeagarvey | 76 | Monaghan | Monaghan | Monaghan |
| Skeagh | 134 | Monaghan | Drumsnat | Monaghan |
| Skeatry | 76 | Monaghan | Clones | Monaghan |
| Skerrick East | 74 | Dartree | Currin | Clones |
| Skerrick West | 106 | Dartree | Currin | Clones |
| Skerrymore | 213 | Cremorne | Muckno | Castleblayney |
| Skervan | 116 | Monaghan | Drumsnat | Monaghan |
| Skinnagin | 94 | Trough | Donagh | Monaghan |
| Skinnagin | 85 | Monaghan | Tehallan | Monaghan |
| Skinnahergna | 112 | Trough | Errigal Trough | Clogher |
| Slieveroe | 264 | Monaghan | Kilmore | Monaghan |
| Smithborough | Town | Monaghan | Clones | Monaghan |
| Sogher | 82 | Trough | Errigal Trough | Monaghan |
| Sra | 225 | Cremorne | Aghnamullen | Castleblayney |
| Srananny | 157 | Trough | Donagh | Monaghan |
| Sreenty | 459 | Farney | Magheross | Carrickmacross |
| Sruell (or Corragarry) | 311 | Farney | Donaghmoyne | Castleblayney |
| Sruveel | 131 | Monaghan | Tedavnet | Monaghan |
| Straclevan | 106 | Monaghan | Tedavnet | Monaghan |
| Stracrunnion | 93 | Monaghan | Tedavnet | Monaghan |
| Stradeen | 117 | Farney | Killanny | Carrickmacross |
| Straghan (or Cornasore) | 124 | Trough | Donagh | Monaghan |
| Stramackilroy | 635 | Monaghan | Tedavnet | Monaghan |
| Stramore | 176 | Trough | Donagh | Monaghan |
| Stranagarvagh | 58 | Dartree | Clones | Clones |
| Stranatona | 150 | Farney | Magheracloone | Carrickmacross |
| Stranoodan | 202 | Monaghan | Kilmore | Monaghan |
| Streanduff | 31 | Trough | Donagh | Monaghan |
| Tamlat | 199 | Cremorne | Aghnamullen | Cootehill |
| Tamlat | 121 | Trough | Errigal Trough | Monaghan |
| Tamlat | 107 | Monaghan | Monaghan | Monaghan |
| Tamlat | 136 | Monaghan | Tehallan | Monaghan |
| Tanderagee | 149 | Dartree | Clones | Clones |
| Tanderageebane | 166 | Monaghan | Monaghan | Monaghan |
| Tanderageebrack | 136 | Monaghan | Monaghan | Monaghan |
| Tanmacnally | 170 | Dartree | Ematris | Cootehill |
| Taplagh | 139 | Farney | Donaghmoyne | Carrickmacross |
| Tassan | 500 | Cremorne | Clontibret | Castleblayney |
| Tattincake | 217 | Dartree | Currin | Cootehill |
| Tattindonagh | 208 | Monaghan | Tedavnet | Monaghan |
| Tattintlieve | 281 | Cremorne | Muckno | Castleblayney |
| Tattintlieve | 219 | Dartree | Aghabog | Monaghan |
| Tattyboy | 479 | Farney | Donaghmoyne | Carrickmacross |
| Tattybrack | 207 | Cremorne | Aghnamullen | Cootehill |
| Tattygare | 286 | Cremorne | Clontibret | Castleblayney |
| Tattygare | 104 | Dartree | Ematris | Cootehill |
| Tattygare | 107 | Monaghan | Tedavnet | Monaghan |
| Tattynagall | 167 | Dartree | Killeevan | Monaghan |
| Tattyreagh North | 305 | Cremorne | Clontibret | Castleblayney |
| Tattyreagh South | 123 | Cremorne | Clontibret | Castleblayney |
| Tavanagh | 104 | Trough | Errigal Trough | Clogher |
| Tavanaskea | 405 | Cremorne | Muckno | Castleblayney |
| Tedavnet | 46 | Monaghan | Tedavnet | Monaghan |
| Teehill | 128 | Dartree | Clones | Clones |
| Teer | 64 | Dartree | Killeevan | Clones |
| Telaydan | 193 | Trough | Donagh | Monaghan |
| Telaydan | 121 | Monaghan | Tedavnet | Monaghan |
| Templetate | 136 | Dartree | Clones | Clones |
| Templetate | 50 | Monaghan | Tehallan | Monaghan |
| Teraverty | 154 | Monaghan | Tedavnet | Monaghan |
| Terrycaffe | 166 | Monaghan | Tehallan | Monaghan |
| Terrygeely | 195 | Monaghan | Tullycorbet | Monaghan |
| Terrygreeghan | 248 | Cremorne | Ballybay | Castleblayney |
| Terrytole | 70 | Monaghan | Tedavnet | Monaghan |
| Tetoppa | 104 | Monaghan | Kilmore | Monaghan |
| Thornhill | 40 | Monaghan | Drumsnat | Monaghan |
| Tievadinna and Cloghoge | 302 | Farney | Donaghmoyne | Carrickmacross |
| Tievaleny | 234 | Cremorne | Aghnamullen | Castleblayney |
| Tinary | 145 | Dartree | Aghabog | Clones |
| Tiragarvan | 222 | Farney | Magheross | Carrickmacross |
| Tiramoan | 113 | Trough | Donagh | Monaghan |
| Tirardan | 123 | Monaghan | Kilmore | Monaghan |
| Tiravera | 181 | Monaghan | Tehallan | Monaghan |
| Tiravray | 155 | Monaghan | Monaghan | Monaghan |
| Tircooney | 88 | Dartree | Clones | Clones |
| Tiredigan | 104 | Dartree | Killeevan | Monaghan |
| Tireran | 150 | Trough | Errigal Trough | Clogher |
| Tirfinnog | 93 | Monaghan | Monaghan | Monaghan |
| Tirkeenan | 125 | Monaghan | Monaghan | Monaghan |
| Tirmacmoe | 110 | Cremorne | Clontibret | Monaghan |
| Tirmadown | 164 | Monaghan | Kilmore | Monaghan |
| Tirnadrola | 92 | Farney | Magheross | Carrickmacross |
| Tirnahinch Far | 166 | Dartree | Clones | Clones |
| Tirnahinch Near | 166 | Dartree | Clones | Clones |
| Tirnamona | 61 | Monaghan | Tedavnet | Monaghan |
| Tirnaneill | 232 | Trough | Donagh | Monaghan |
| Tirnaskea North | 120 | Monaghan | Tedavnet | Monaghan |
| Tirnaskea South | 66 | Monaghan | Tedavnet | Monaghan |
| Tiromedan | 195 | Monaghan | Tullycorbet | Monaghan |
| Togan | 167 | Monaghan | Drumsnat | Monaghan |
| Tomany | 170 | Dartree | Ematris | Cootehill |
| Tomiska | 104 | Farney | Magheracloone | Carrickmacross |
| Tomogrow | 257 | Cremorne | Muckno | Castleblayney |
| Tonagh | 258 | Cremorne | Clontibret | Castleblayney |
| Tonagh | 251 | Dartree | Aghabog | Cootehill |
| Tonagimsy | 118 | Dartree | Ematris | Cootehill |
| Tonaneeve | 309 | Farney | Magheracloone | Carrickmacross |
| Tonintlieve | 175 | Trough | Errigal Trough | Clogher |
| Toniscoffy | 441 | Monaghan | Monaghan | Monaghan |
| Tonnagh | 59 | Dartree | Ematris | Cootehill |
| Tonyclea | 588 | Monaghan | Tedavnet | Monaghan |
| Tonycoogan | 107 | Trough | Donagh | Monaghan |
| Tonyellida | 125 | Farney | Donaghmoyne | Carrickmacross |
| Tonyfinnigan | 185 | Trough | Donagh | Monaghan |
| Tonyfohanan | 84 | Trough | Errigal Trough | Monaghan |
| Tonygarvey | 114 | Trough | Donagh | Monaghan |
| Tonyglassan | 220 | Cremorne | Ballybay | Castleblayney |
| Tonyglassan | 128 | Cremorne | Clontibret | Castleblayney |
| Tonyhamigan | 74 | Trough | Donagh | Monaghan |
| Tonynumery | 87 | Trough | Errigal Trough | Monaghan |
| Tonyscallan | 172 | Cremorne | Clontibret | Castleblayney |
| Tonyshandeny | 106 | Trough | Donagh | Monaghan |
| Tonysillogagh | 145 | Trough | Donagh | Monaghan |
| Tonystackan | 252 | Monaghan | Tedavnet | Monaghan |
| Tonytallagh | 135 | Dartree | Currin | Cootehill |
| Tooa | 284 | Cremorne | Aghnamullen | Castleblayney |
| Toome | 216 | Cremorne | Clontibret | Castleblayney |
| Toome | 257 | Farney | Donaghmoyne | Castleblayney |
| Tossy | 233 | Cremorne | Aghnamullen | Castleblayney |
| Tray | 130 | Farney | Donaghmoyne | Carrickmacross |
| Trostan | 114 | Farney | Magheross | Carrickmacross |
| Tuckmilltate | 26 | Monaghan | Tehallan | Monaghan |
| Tullaghaloyst | 110 | Dartree | Currin | Cootehill |
| Tullaghan | 112 | Monaghan | Tedavnet | Monaghan |
| Tullanacrunat | 132 | Cremorne | Muckno | Castleblayney |
| Tullanacrunat North | 86 | Farney | Donaghmoyne | Castleblayney |
| Tullanacrunat South | 82 | Farney | Donaghmoyne | Castleblayney |
| Tulleerin | 65 | Dartree | Clones | Monaghan |
| Tullinearly | 152 | Cremorne | Muckno | Castleblayney |
| Tullintlisny | 191 | Cremorne | Muckno | Castleblayney |
| Tullintrat | 250 | Cremorne | Muckno | Castleblayney |
| Tully | 197 | Trough | Donagh | Monaghan |
| Tully | 94 | Monaghan | Monaghan | Monaghan |
| Tully | 50 | Monaghan | Tedavnet | Monaghan |
| Tullyallen | 136 | Farney | Magheracloone | Carrickmacross |
| Tullyard | 191 | Dartree | Killeevan | Cootehill |
| Tullyard | 103 | Trough | Donagh | Monaghan |
| Tullyard | 285 | Monaghan | Monaghan | Monaghan |
| Tullybryan | 151 | Monaghan | Kilmore | Monaghan |
| Tullybuck | 115 | Cremorne | Clontibret | Monaghan |
| Tullycallick | 96 | Trough | Donagh | Monaghan |
| Tullycanaghy | 394 | Cremorne | Muckno | Castleblayney |
| Tullycarragh | 287 | Cremorne | Clontibret | Castleblayney |
| Tullycollive | 250 | Cremorne | Muckno | Castleblayney |
| Tullycoora | 241 | Cremorne | Muckno | Castleblayney |
| Tullycroman | 176 | Monaghan | Tedavnet | Monaghan |
| Tullycumasky | 152 | Cremorne | Clontibret | Monaghan |
| Tullygillen | 126 | Monaghan | Kilmore | Monaghan |
| Tullyglass | 286 | Cremorne | Aghnamullen | Castleblayney |
| Tullygony | 111 | Monaghan | Tedavnet | Monaghan |
| Tullygony | 21 | Monaghan | Tehallan | Monaghan |
| Tullyharnet | 264 | Cremorne | Muckno | Castleblayney |
| Tullyhirm | 180 | Monaghan | Monaghan | Monaghan |
| Tullyhumphry | 126 | Dartree | Currin | Clones |
| Tullykenny | 142 | Monaghan | Drumsnat | Monaghan |
| Tullyleer | 124 | Monaghan | Monaghan | Monaghan |
| Tullylish | 90 | Monaghan | Tehallan | Monaghan |
| Tullylone | 162 | Monaghan | Tedavnet | Monaghan |
| Tullylougherny | 57 | Farney | Donaghmoyne | Carrickmacross |
| Tullylougherny | 162 | Farney | Magheracloone | Carrickmacross |
| Tullymackilmaritn | 107 | Farney | Donaghmore | Carrickmacross |
| Tullynacross | 84 | Farney | Donaghmoyne | Carrickmacross |
| Tullynageer | 346 | Cremorne | Muckno | Castleblayney |
| Tullynagrow | 221 | Cremorne | Muckno | Castleblayney |
| Tullynahattina | 361 | Cremorne | Muckno | Castleblayney |
| Tullynahinnera | 396 | Cremorne | Aghnamullen | Castleblayney |
| Tullynamalra | 297 | Cremorne | Aghnamullen | Castleblayney |
| Tullynamalra | 213 | Cremorne | Muckno | Castleblayney |
| Tullynample | 247 | Dartree | Currin | Cootehill |
| Tullynanegish | 298 | Cremorne | Aghnamullen | Castleblayney |
| Tullynanure | 72 | Monaghan | Tehallan | Monaghan |
| Tullynarney | 167 | Monaghan | Kilmore | Monaghan |
| Tullynaskeagh East | 265 | Farney | Killanny | Carrickmacross |
| Tullynaskeagh West | 197 | Farney | Killanny | Carrickmacross |
| Tullyrahan | 264 | Cremorne | Muckno | Castleblayney |
| Tullyrain | 276 | Cremorne | Aghnamullen | Castleblayney |
| Tullyreas | 100 | Dartree | Killeevan | Clones |
| Tullyree | 140 | Trough | Donagh | Monaghan |
| Tullyshelferty | 169 | Monaghan | Kilmore | Monaghan |
| Tullyskerry | 143 | Cremorne | Clontibret | Castleblayney |
| Tullyvanus | 198 | Cremorne | Muckno | Castleblayney |
| Tullyvaragh Lower | 174 | Farney | Donaghmoyne | Carrickmacross |
| Tullyvaragh Upper | 158 | Farney | Donaghmoyne | Carrickmacross |
| Tullyvin | 140 | Cremorne | Clontibret | Castleblayney |
| Tullyvogy | 158 | Monaghan | Tedavnet | Monaghan |
| Ture | 40 | Dartree | Killeevan | Clones |
| Tusker | 222 | Farney | Donaghmoyne | Carrickmacross |
| Ullinagh | 256 | Cremorne | Aghnamullen | Castleblayney |
| Ummerafree | 367 | Farney | Magheross | Carrickmacross |
| Unshinagh | 168 | Dartree | Ematris | Cootehill |
| Urbalkirk | 271 | Monaghan | Monaghan | Monaghan |
| Urcher | 163 | Monaghan | Kilmore | Monaghan |
| Urlish | 46 | Trough | Errigal Trough | Clogher |
| White Island | 13 | Cremorne | Muckno | Castleblayney |
| White Island | 59 | Trough | Donagh | Monaghan |
