| Constituency | Seats | Type | Country | County | | Member | Party |
|---|
| Aberdeen [4] | 1 | Burgh | Scotland | Aberdeenshire | | Alexander Bannerman | Liberal |
| Aberdeenshire [4] | 1 | County | Scotland | Aberdeenshire | | Capt. William Gordon | Tory |
| Abingdon [5] | 1 | Borough | England | Berkshire | | Thomas Duffield | Tory |
| Andover [6] | 2 | Borough | England | Hampshire | | Henry Arthur Wallop Fellowes | Liberal |
| Andover [6] | 2 | Borough | England | Hampshire | | Ralph Etwall | Liberal |
| Anglesey [7] | 1 | County | Wales | Anglesey | | Sir Richard Williams-Bulkeley, Bt | Liberal |
| Antrim [8] | 2 | County | Ireland | Antrim | | John O'Neill | Tory |
| Antrim [8] | 2 | County | Ireland | Antrim | | Earl of Belfast | Liberal |
| Argyllshire [9] | 1 | County | Scotland | Argyllshire | | James Henry Callander | Liberal |
| Armagh [10] | 1 | Borough | Ireland | Armagh | | Leonard Dobbin | Liberal |
| County Armagh [11] | 2 | County | Ireland | Armagh | | Viscount Acheson | Liberal |
| County Armagh [11] | 2 | County | Ireland | Armagh | | William Verner | Tory |
| Arundel [12] | 1 | Borough | England | Sussex | | Lord Dudley Stuart | Liberal |
| Ashburton [13] | 1 | Borough | England | Devon | | William Stephen Poyntz | Liberal |
| Ashton-under-Lyne [14] | 1 | Borough | England | Lancashire | | George Williams | Liberal |
| Athlone [11] | 1 | Borough | Ireland | Westmeath & Roscommon | | James Talbot | Liberal |
| Aylesbury [5] | 2 | Borough | England | Buckinghamshire | | Henry Hanmer | Tory |
| Aylesbury [5] | 2 | Borough | England | Buckinghamshire | | William Rickford | Liberal |
| Ayr Burghs [15] | 1 | District | Scotland | Ayrshire | | Thomas Francis Kennedy | Liberal |
| Ayrshire [16] | 1 | County | Scotland | Ayrshire | | Richard Oswald | Liberal |
| Banbury [8] | 1 | Borough | England | Oxfordshire | | Henry William Tancred | Liberal |
| Bandon [17] | 1 | Borough | Ireland | Cork | | William Smyth Bernard | Tory |
| Banffshire [9] | 1 | County | Scotland | Banffshire | | George Ferguson | Tory |
| Barnstaple [18] | 2 | Borough | England | Devon | | John Chichester | Liberal |
| Barnstaple [18] | 2 | Borough | England | Devon | | Charles St John Fancourt | Tory |
| Bath [12] | 2 | Borough | England | Somerset | | John Arthur Roebuck | Liberal |
| Bath [12] | 2 | Borough | England | Somerset | | Charles Palmer | Liberal |
| Beaumaris [7] | 1 | District | Wales | Anglesey | | Frederick Paget | Liberal |
| Bedford [4] | 2 | Borough | England | Bedfordshire | | Samuel Crawley | Liberal |
| Bedford [4] | 2 | Borough | England | Bedfordshire | | William Henry Whitbread | Liberal |
| Bedfordshire [4] | 2 | County | England | Bedfordshire | | Lord Charles Russell | Liberal |
| Bedfordshire [4] | 2 | County | England | Bedfordshire | | William Stuart | Tory |
| Belfast [8] | 2 | Borough | Ireland | Antrim | | James Emerson Tennent | Liberal |
| Belfast [8] | 2 | Borough | Ireland | Antrim | | Lord Arthur Chichester | Liberal |
| Berkshire [5] | 3 | County | England | Berkshire | | Robert Throckmorton | Liberal |
| Berkshire [5] | 3 | County | England | Berkshire | | Robert Palmer | Tory |
| Berkshire [5] | 3 | County | England | Berkshire | | John Walter | Liberal |
| Berwickshire [4] | 1 | County | Scotland | Berwickshire | | Charles Albany Marjoribanks | Liberal |
| Berwick-upon-Tweed [19] | 2 | Borough | England | Northumberland | | Sir Rufane Shaw Donkin | Liberal |
| Berwick-upon-Tweed [19] | 2 | Borough | England | Northumberland | | Sir Francis Blake, Bt | Liberal |
| Beverley [10] | 2 | Borough | England | Yorkshire, East | | Hon. Charles Langdale | Liberal |
| Beverley [10] | 2 | Borough | England | Yorkshire, East | | Henry Burton-Peters | Liberal |
| Bewdley [16] | 1 | Borough | England | Worcestershire | | Sir Thomas Winnington, Bt | Liberal |
| Birmingham [20] | 2 | Borough | England | Warwickshire | | Thomas Attwood | Liberal |
| Birmingham [20] | 2 | Borough | England | Warwickshire | | Joshua Scholefield | Liberal |
| Blackburn [21] | 2 | Borough | England | Lancashire | | William Feilden | Liberal |
| Blackburn [21] | 2 | Borough | England | Lancashire | | William Turner | Liberal |
| Bodmin [9] | 2 | Borough | England | Cornwall | | William Peter | Liberal |
| Bodmin [9] | 2 | Borough | England | Cornwall | | Samuel Thomas Spry | Liberal |
| Bolton [21] | 2 | Borough | England | Lancashire | | Robert Torrens | Liberal |
| Bolton [21] | 2 | Borough | England | Lancashire | | William Bolling | Tory |
| Boston [20] | 2 | Borough | England | Lincolnshire | | John Wilks | Liberal |
| Boston [20] | 2 | Borough | England | Lincolnshire | | Benjamin Handley | Liberal |
| Bradford [22] | 2 | Borough | England | Yorkshire, West | | Ellis Cunliffe Lister | Liberal |
| Bradford [22] | 2 | Borough | England | Yorkshire, West | | John Hardy | Liberal |
| Brecon [6] | 1 | Borough | Wales | Breconshire | | John Lloyd Vaughan Watkins | Liberal |
| Breconshire [6] | 1 | County | Wales | Breconshire | | Thomas Wood | Tory |
| Bridgnorth [10] | 2 | Borough | England | Shropshire | | Robert Pigot | Tory |
| Bridgnorth [10] | 2 | Borough | England | Shropshire | | Thomas Charlton Whitmore | Tory |
| Bridgwater [12] | 2 | Borough | England | Somerset | | William Tayleur | Liberal |
| Bridgwater [12] | 2 | Borough | England | Somerset | | Charles Kemeys Tynte | Liberal |
| Bridport [13] | 2 | Borough | England | Dorset | | Henry Warburton | Liberal |
| Bridport [13] | 2 | Borough | England | Dorset | | John Romilly | Liberal |
| Brighton [12] | 2 | Borough | England | Sussex | | Isaac Newton Wigney | Liberal |
| Brighton [12] | 2 | Borough | England | Sussex | | George Faithfull | Liberal |
| Bristol [19] | 2 | Borough | England | Gloucestershire/Somerset | | Sir Richard Vyvyan, Bt | Tory |
| Bristol [19] | 2 | Borough | England | Gloucestershire/Somerset | | James Evan Baillie | Liberal |
| Buckingham [5] | 2 | Borough | England | Buckinghamshire | | Sir Harry Verney, Bt | Liberal |
| Buckingham [5] | 2 | Borough | England | Buckinghamshire | | Sir Thomas Fremantle, Bt | Tory |
| Buckinghamshire [5] | 3 | County | England | Buckinghamshire | | Marquess of Chandos | Tory |
| Buckinghamshire [5] | 3 | County | England | Buckinghamshire | | John Smith | Liberal |
| Buckinghamshire [5] | 3 | County | England | Buckinghamshire | | Sir George Dashwood, Bt | Liberal |
| Bury [14] | 1 | Borough | England | Lancashire | | Richard Walker | Liberal |
| Bury St Edmunds [20] | 2 | Borough | England | Suffolk | | Lord Charles FitzRoy | Liberal |
| Bury St Edmunds [20] | 2 | Borough | England | Suffolk | | Earl Jermyn | Tory |
| Buteshire [9] | 1 | County | Scotland | Buteshire | | Charles Stuart | Tory |
| Caernarvon Boroughs [23] | 1 | District | Wales | Caernarvonshire | | Sir Charles Paget [24] | Liberal |
| Caernarvonshire [23] | 1 | County | Wales | Caernarvonshire | | Thomas Assheton Smith | Tory |
| Caithness [9] | 1 | County | Scotland | Buteshire/Caithness | | George Sinclair | Liberal |
| Calne [23] | 1 | Borough | England | Wiltshire | | Earl of Kerry | Liberal |
| Cambridge [4] | 2 | Borough | England | Cambridgeshire | | George Pryme | Liberal |
| Cambridge [4] | 2 | Borough | England | Cambridgeshire | | Thomas Spring Rice | Liberal |
| Cambridge University [4] | 2 | University | England | Cambridgeshire | | Henry Goulburn | Tory |
| Cambridge University [4] | 2 | University | England | Cambridgeshire | | Charles Manners-Sutton | Tory |
| Cambridgeshire [4] | 3 | County | England | Cambridgeshire | | Richard Greaves Townley | Liberal |
| Cambridgeshire [4] | 3 | County | England | Cambridgeshire | | Charles Yorke | Tory |
| Cambridgeshire [4] | 3 | County | England | Cambridgeshire | | John Walbanke-Childers | Liberal |
| Canterbury [25] | 2 | Borough | England | Kent | | Richard Watson | Liberal |
| Canterbury [25] | 2 | Borough | England | Kent | | Viscount Fordwich | Liberal |
| Cardiff District [4] | 1 | District | Wales | Glamorganshire | | John Iltyd Nicholl | Tory |
| Cardigan District [4] | 1 | District | Wales | Cardiganshire | | Pryse Pryse | Liberal |
| Cardiganshire [4] | 1 | County | Wales | Cardiganshire | | William Edward Powell | Tory |
| Carlisle [23] | 2 | Borough | England | Cumberland | | William James | Liberal |
| Carlisle [23] | 2 | Borough | England | Cumberland | | Philip Henry Howard | Liberal |
| Carlow [17] | 1 | Borough | Ireland | Carlow | | Nicholas Aylward Vigors | Irish Repeal |
| County Carlow [17] | 2 | County | Ireland | Carlow | | Walter Blackney | Irish Repeal |
| County Carlow [17] | 2 | County | Ireland | Carlow | | Thomas Wallace | Liberal |
| Carmarthen Boroughs [10] | 1 | District | Wales | Carmarthenshire | | William Yelverton | Liberal |
| Carmarthenshire [26] | 2 | County | Wales | Carmarthenshire | | Hon. George Rice-Trevor | Tory |
| Carmarthenshire [26] | 2 | County | Wales | Carmarthenshire | | Edward Hamlyn Adams | Liberal |
| Carrickfergus [11] | 1 | Borough | Ireland | Antrim | | Conway Richard Dobbs [27] | Tory |
| Cashel [11] | 1 | Borough | Ireland | Tipperary | | James Roe | Irish Repeal |
| Cavan [10] | 2 | County | Ireland | Cavan | | Henry Maxwell | Tory |
| Cavan [10] | 2 | County | Ireland | Cavan | | Sir John Young, Bt | Tory |
| Chatham [12] | 1 | Borough | England | Kent | | William Leader Maberly | Liberal |
| Cheltenham [21] | 1 | Borough | England | Gloucestershire | | Hon. Craven Berkeley | Liberal |
| Cheshire Northern [14] | 2 | County | England | Cheshire | | Hon. Edward Stanley | Liberal |
| Cheshire Northern [14] | 2 | County | England | Cheshire | | William Egerton | Tory |
| Cheshire Southern [14] | 2 | County | England | Cheshire | | George Wilbraham | Liberal |
| Cheshire Southern [14] | 2 | County | England | Cheshire | | Earl Grosvenor | Liberal |
| Chester [28] | 2 | Borough | England | Cheshire | | John Jervis | Liberal |
| Chester [28] | 2 | Borough | England | Cheshire | | Lord Robert Grosvenor | Liberal |
| Chichester [16] | 2 | Borough | England | Sussex | | Lord Arthur Lennox | Liberal |
| Chichester [16] | 2 | Borough | England | Sussex | | John Abel Smith | Liberal |
| Chippenham [23] | 2 | Borough | England | Wiltshire | | Joseph Neeld | Tory |
| Chippenham [23] | 2 | Borough | England | Wiltshire | | William Fox Talbot | Liberal |
| Christchurch [6] | 1 | Borough | England | Hampshire | | George William Tapps [29] | Tory |
| Cirencester [21] | 2 | Borough | England | Gloucestershire | | Joseph Cripps | Tory |
| Cirencester [21] | 2 | Borough | England | Gloucestershire | | Lord Apsley | Tory |
| Clackmannans and Kinross [15] | 1 | County | Scotland | Clackmannanshire | | Sir Charles Adam | Liberal |
| Clare [17] | 2 | County | Ireland | Clare | | William Nugent Macnamara | Irish Repeal |
| Clare [17] | 2 | County | Ireland | Clare | | Cornelius O'Brien | Irish Repeal |
| Clitheroe [21] | 1 | Borough | England | Lancashire | | John Fort | Liberal |
| Clonmel [11] | 1 | Borough | Ireland | Tipperary | | Dominick Ronayne | Irish Repeal |
| Cockermouth [20] | 2 | Borough | England | Cumberland | | Fretchville Dykes | Liberal |
| Cockermouth [20] | 2 | Borough | England | Cumberland | | Henry Aglionby | Liberal |
| Colchester [16] | 2 | Borough | England | Essex | | Richard Sanderson | Tory |
| Colchester [16] | 2 | Borough | England | Essex | | Daniel Whittle Harvey | Liberal |
| Coleraine [11] | 1 | Borough | Ireland | Londonderry | | Sir John Beresford, Bt [30] | Tory |
| Cork City [17] | 2 | Borough | Ireland | Cork | | Daniel Callaghan | Liberal |
| Cork City [17] | 2 | Borough | Ireland | Cork | | Herbert Baldwin | Irish Repeal |
| County Cork [17] | 2 | County | Ireland | Cork | | Feargus O'Connor | Irish Repeal |
| County Cork [17] | 2 | County | Ireland | Cork | | Garrett Standish Barry | Irish Repeal |
| Cornwall Eastern [9] | 2 | County | England | Cornwall | | Sir William Molesworth, Bt | Liberal |
| Cornwall Eastern [9] | 2 | County | England | Cornwall | | William Salusbury-Trelawny | Liberal |
| Cornwall Western [9] | 2 | County | England | Cornwall | | Sir Charles Lemon, Bt | Liberal |
| Cornwall Western [9] | 2 | County | England | Cornwall | | Edward Wynne-Pendarves | Liberal |
| Coventry [25] | 2 | Borough | England | Warwickshire | | Edward Ellice | Liberal |
| Coventry [25] | 2 | Borough | England | Warwickshire | | Henry Bulwer | Liberal |
| Cricklade [23] | 2 | Borough | England | Wiltshire | | Thomas Calley | Liberal |
| Cricklade [23] | 2 | Borough | England | Wiltshire | | Robert Gordon | Liberal |
| Cumberland Eastern [23] | 2 | County | England | Cumberland | | William Blamire | Liberal |
| Cumberland Eastern [23] | 2 | County | England | Cumberland | | Sir James Graham, Bt | Liberal |
| Cumberland Western [23] | 2 | County | England | Cumberland | | Viscount Lowther | Tory |
| Cumberland Western [23] | 2 | County | England | Cumberland | | Edward Stanley | Tory |
| Dartmouth [13] | 1 | Borough | England | Devon | | John Seale | Liberal |
| Denbigh Boroughs [13] | 1 | District | Wales | Denbighshire | | John Madocks | Liberal |
| Denbighshire [13] | 2 | County | Wales | Denbighshire | | Sir Watkin Williams-Wynn, Bt | Tory |
| Denbighshire [13] | 2 | County | Wales | Denbighshire | | Robert Myddleton-Biddulph | Liberal |
| Derby [4] | 2 | Borough | England | Derbyshire | | Edward Strutt | Liberal |
| Derby [4] | 2 | Borough | England | Derbyshire | | Henry Cavendish | Liberal |
| Derbyshire Northern [4] | 2 | County | England | Derbyshire | | Lord Cavendish of Keighley | Liberal |
| Derbyshire Northern [4] | 2 | County | England | Derbyshire | | Thomas Gisborne | Liberal |
| Derbyshire Southern [4] | 2 | County | England | Derbyshire | | Hon. George Venables-Vernon | Liberal |
| Derbyshire Southern [4] | 2 | County | England | Derbyshire | | The Lord Waterpark | Liberal |
| Devizes [23] | 2 | Borough | England | Wiltshire | | Wadham Locke | Liberal |
| Devizes [23] | 2 | Borough | England | Wiltshire | | Montague Gore | Liberal |
| Devonport [13] | 2 | Borough | England | Devon | | Sir Edward Codrington | Liberal |
| Devonport [13] | 2 | Borough | England | Devon | | Sir George Grey, Bt | Liberal |
| Devon Northern [18] | 2 | County | England | Devon | | Viscount Ebrington | Liberal |
| Devon Northern [18] | 2 | County | England | Devon | | Hon. Newton Fellowes | Liberal |
| Devon Southern [18] | 2 | County | England | Devon | | Lord John Russell | Liberal |
| Devon Southern [18] | 2 | County | England | Devon | | John Crocker Bulteel | Liberal |
| Donegal [11] | 2 | County | Ireland | Donegal | | Edmund Hayes | Tory |
| Donegal [11] | 2 | County | Ireland | Donegal | | Edward Conolly | Tory |
| Dorchester [13] | 2 | Borough | England | Dorset | | Anthony Henry Ashley-Cooper | Tory |
| Dorchester [13] | 2 | Borough | England | Dorset | | Robert Williams | Tory |
| Dorset [13] | 3 | County | England | Dorset | | Lord Ashley | Tory |
| Dorset [13] | 3 | County | England | Dorset | | William John Bankes | Tory |
| Dorset [13] | 3 | County | England | Dorset | | Hon. William Ponsonby | Liberal |
| Dover [19] | 2 | Borough | England | Kent | | Charles Poulett Thomson | Liberal |
| Dover [19] | 2 | Borough | England | Kent | | Sir John Rae Reid, Bt | Tory |
| Down [17] | 2 | County | Ireland | Down | | Lord Arthur Hill | Liberal |
| Down [17] | 2 | County | Ireland | Down | | Viscount Castlereagh | Tory |
| Downpatrick [17] | 1 | Borough | Ireland | Down | | John Waring Maxwell | Tory |
| Drogheda [11] | 1 | Borough | Ireland | Louth | | Andrew Carew O'Dwyer | Irish Repeal |
| Droitwich [16] | 1 | Borough | England | Worcestershire | | John Hodgetts-Foley | Liberal |
| Dublin [11] | 2 | Borough | Ireland | Dublin | | Daniel O'Connell | Irish Repeal |
| Dublin [11] | 2 | Borough | Ireland | Dublin | | Edward Southwell Ruthven | Irish Repeal |
| County Dublin [11] | 2 | County | Ireland | Dublin | | Christopher Fitzsimon | Irish Repeal |
| County Dublin [11] | 2 | County | Ireland | Dublin | | George Hampden Evans | Liberal |
| Dublin University [11] | 2 | University | Ireland | Dublin | | Thomas Langlois Lefroy | Tory |
| Dublin University [11] | 2 | University | Ireland | Dublin | | Sir Frederick Shaw, Bt | Tory |
| Dudley [16] | 1 | Borough | England | Worcestershire | | Sir John Campbell | Liberal |
| Dumfries Burghs [4] | 1 | District | Scotland | Dumfriesshire | | Matthew Sharpe | Liberal |
| Dumfriesshire [7] | 1 | County | Scotland | Dumfriesshire | | John Hope-Johnstone | Tory |
| Dunbartonshire [16] | 1 | County | Scotland | Dunbartonshire | | John Campbell Colquhoun | Liberal |
| Dundalk [8] | 1 | Borough | Ireland | Louth | | William O'Reilly | Liberal |
| Dundee [9] | 1 | Burgh | Scotland | Forfarshire | | George Kinloch | Liberal |
| Dungannon [11] | 1 | Borough | Ireland | Tyrone | | John James Knox | Tory |
| Dungarvan [8] | 1 | Borough | Ireland | Waterford | | Hon. George Lamb | Liberal |
| Durham City [16] | 2 | Borough | England | Durham | | William Chaytor | Liberal |
| Durham City [16] | 2 | Borough | England | Durham | | William Charles Harland | Liberal |
| Durham Northern [16] | 2 | County | England | Durham | | Hedworth Lambton | Liberal |
| Durham Northern [16] | 2 | County | England | Durham | | Sir Hedworth Williamson, Bt | Liberal |
| Durham Southern [16] | 2 | County | England | Durham | | Joseph Pease | Liberal |
| Durham Southern [16] | 2 | County | England | Durham | | John Bowes | Liberal |
| East Retford [15] | 2 | Borough | England | Nottinghamshire | | Granville Harcourt-Vernon | Liberal |
| East Retford [15] | 2 | Borough | England | Nottinghamshire | | Viscount Newark | Liberal |
| Edinburgh [4] | 2 | Burgh | Scotland | Midlothian | | Francis Jeffrey | Liberal |
| Edinburgh [4] | 2 | Burgh | Scotland | Midlothian | | James Abercromby | Liberal |
| Elgin Burghs [10] | 1 | District | Scotland | Elginshire | | Sir Andrew Leith Hay | Liberal |
| Elginshire and Nairnshire [9] | 1 | County | Scotland | Elginshire/Nairnshire | | Francis William Grant | Tory |
| Ennis [17] | 1 | Borough | Ireland | Clare | | Francis McNamara | Irish Repeal |
| Enniskillen [11] | 1 | Borough | Ireland | Fermanagh | | Arthur Henry Cole | Tory |
| Essex Northern [16] | 2 | County | England | Essex | | Sir John Tyssen Tyrell, Bt | Tory |
| Essex Northern [16] | 2 | County | England | Essex | | Alexander Baring | Tory |
| Essex Southern [16] | 2 | County | England | Essex | | Robert Westley Hall-Dare | Tory |
| Essex Southern [16] | 2 | County | England | Essex | | Sir Thomas Barrett-Lennard, Bt | Liberal |
| Evesham [16] | 2 | Borough | England | Worcestershire | | Sir Charles Cockerell, Bt | Liberal |
| Evesham [16] | 2 | Borough | England | Worcestershire | | Thomas Hudson | Liberal |
| Exeter [25] | 2 | Borough | England | Devon | | James Wentworth Buller | Liberal |
| Exeter [25] | 2 | Borough | England | Devon | | Edward Divett | Liberal |
| Eye [20] | 1 | Borough | England | Suffolk | | Francis Seymour Stevenson | Tory |
| Falkirk Burghs [15] | 1 | District | Scotland | Stirlingshire | | William Downe Gillon | Liberal |
| Fermanagh [11] | 2 | County | Ireland | Fermanagh | | Mervyn Archdall | Tory |
| Fermanagh [11] | 2 | County | Ireland | Fermanagh | | Viscount Cole | Tory |
| Fife [15] | 1 | County | Scotland | Fife | | James Erskine Wemyss | Liberal |
| Finsbury [9] | 2 | Borough | England | Middlesex | | Robert Grant | Liberal |
| Finsbury [9] | 2 | Borough | England | Middlesex | | Robert Spankie | Tory |
| Flint Boroughs [31] | 1 | District | Wales | Flintshire | | Sir Stephen Glynne, Bt | Liberal |
| Flintshire [31] | 1 | County | Wales | Flintshire | | Edward Lloyd-Mostyn | Liberal |
| Forfarshire [9] | 1 | County | Scotland | Forfarshire | | Douglas Hallyburton | Liberal |
| Frome [12] | 1 | Borough | England | Somerset | | Thomas Sheppard | Liberal |
| Galway Borough [17] | 2 | Borough | Ireland | Galway | | Andrew Henry Lynch | Irish Repeal |
| Galway Borough [17] | 2 | Borough | Ireland | Galway | | Lachlan MacLachlan [32] | Irish Repeal |
| County Galway [17] | 2 | County | Ireland | Galway | | Thomas Barnwall Martin | Liberal |
| County Galway [17] | 2 | County | Ireland | Galway | | James Daly | Tory |
| Gateshead [16] | 1 | Borough | England | Durham | | Cuthbert Rippon | Liberal |
| Glamorganshire [4] | 2 | County | Wales | Glamorganshire | | Christopher Rice Mansel Talbot | Liberal |
| Glamorganshire [4] | 2 | County | Wales | Glamorganshire | | Lewis Weston Dillwyn | Liberal |
| Glasgow [4] | 2 | Burgh | Scotland | Lanarkshire | | James Ewing | Liberal |
| Glasgow [4] | 2 | Burgh | Scotland | Lanarkshire | | James Oswald | Liberal |
| Gloucester [21] | 2 | Borough | England | Gloucestershire | | Maurice Berkeley | Liberal |
| Gloucester [21] | 2 | Borough | England | Gloucestershire | | Edward Webb | Liberal |
| Gloucestershire Eastern [21] | 2 | County | England | Gloucestershire | | Sir Berkeley Guise, Bt | Liberal |
| Gloucestershire Eastern [21] | 2 | County | England | Gloucestershire | | Hon. Henry Reynolds-Moreton | Liberal |
| Gloucestershire Western [21] | 2 | County | England | Gloucestershire | | Grantley Berkeley | Liberal |
| Gloucestershire Western [21] | 2 | County | England | Gloucestershire | | Hon. Augustus Moreton [33] | Liberal |
| Grantham [20] | 2 | Borough | England | Lincolnshire | | Algernon Tollemache | Tory |
| Grantham [20] | 2 | Borough | England | Lincolnshire | | Glynne Earle Welby | Tory |
| Great Grimsby [20] | 1 | Borough | England | Lincolnshire | | William Maxfield | Liberal |
| Great Marlow [5] | 2 | Borough | England | Buckinghamshire | | William Clayton | Liberal |
| Great Marlow [5] | 2 | Borough | England | Buckinghamshire | | Thomas Peers Williams | Tory |
| Great Yarmouth [12] | 2 | Borough | England | Norfolk | | Charles Edmund Rumbold | Liberal |
| Great Yarmouth [12] | 2 | Borough | England | Norfolk | | Hon. George Anson | Liberal |
| Greenock [16] | 1 | Burgh | Scotland | Renfrewshire | | Robert Wallace | Liberal |
| Greenwich [12] | 2 | Borough | England | Kent | | James Whitley Deans Dundas | Liberal |
| Greenwich [12] | 2 | Borough | England | Kent | | Edward George Barnard | Liberal |
| Guildford [6] | 2 | Borough | England | Surrey | | James Mangles | Liberal |
| Guildford [6] | 2 | Borough | England | Surrey | | Charles Baring Wall | Tory |
| Haddington Burghs [7] | 1 | District | Scotland | Haddingtonshire | | Robert Steuart | Liberal |
| Haddingtonshire [9] | 1 | County | Scotland | Haddingtonshire | | James Balfour | Tory |
| Halifax [22] | 2 | Borough | England | Yorkshire, West | | Rawdon Briggs | Liberal |
| Halifax [22] | 2 | Borough | England | Yorkshire, West | | Charles Wood | Liberal |
| Hampshire Northern [7] | 2 | County | England | Hampshire | | Charles Shaw-Lefevre | Liberal |
| Hampshire Northern [7] | 2 | County | England | Hampshire | | James Winter Scott | Liberal |
| Hampshire Southern [7] | 2 | County | England | Hampshire | | The Viscount Palmerston | Liberal |
| Hampshire Southern [7] | 2 | County | England | Hampshire | | Sir George Staunton, Bt | Liberal |
| Harwich [16] | 2 | Borough | England | Essex | | John Charles Herries | Tory |
| Harwich [16] | 2 | Borough | England | Essex | | Christopher Thomas Tower | Liberal |
| Hastings [19] | 2 | Borough | England | Sussex | | Frederick North | Liberal |
| Hastings [19] | 2 | Borough | England | Sussex | | John Ashley Warre | Liberal |
| Haverfordwest [25] | 1 | District | Wales | Pembrokeshire | | Sir Richard Bulkeley Philipps, Bt | Liberal |
| Helston [9] | 1 | Borough | England | Cornwall | | Sackville Walter Lane-Fox | Tory |
| Hereford [20] | 2 | Borough | England | Herefordshire | | Edward Clive | Liberal |
| Hereford [20] | 2 | Borough | England | Herefordshire | | Robert Biddulph | Liberal |
| Herefordshire [34] | 3 | County | England | Herefordshire | | Edward Thomas Foley | Tory |
| Herefordshire [34] | 3 | County | England | Herefordshire | | Kedgwin Hoskins | Liberal |
| Herefordshire [34] | 3 | County | England | Herefordshire | | Sir Robert Price, Bt | Liberal |
| Hertford [20] | 2 | Borough | England | Hertfordshire | | Viscount Ingestrie [35] | Tory |
| Hertford [20] | 2 | Borough | England | Hertfordshire | | Viscount Mahon [35] | Tory |
| Hertfordshire [20] | 3 | County | England | Hertfordshire | | Sir John Sebright, Bt | Liberal |
| Hertfordshire [20] | 3 | County | England | Hertfordshire | | Nicolson Calvert | Liberal |
| Hertfordshire [20] | 3 | County | England | Hertfordshire | | Viscount Grimston | Tory |
| Honiton [18] | 2 | Borough | England | Devon | | Viscount Villiers | Tory |
| Honiton [18] | 2 | Borough | England | Devon | | James Ruddell-Todd | Liberal |
| Horsham [12] | 1 | Borough | England | Sussex | | Robert Henry Hurst | Liberal |
| Huddersfield [22] | 1 | Borough | England | Yorkshire, West | | Lewis Fenton | Liberal |
| Huntingdon [4] | 2 | Borough | England | Huntingdonshire | | Jonathan Peel | Tory |
| Huntingdon [4] | 2 | Borough | England | Huntingdonshire | | Frederick Pollock | Tory |
| Huntingdonshire [9] | 2 | County | England | Huntingdonshire | | Viscount Mandeville | Tory |
| Huntingdonshire [9] | 2 | County | England | Huntingdonshire | | John Bonfoy Rooper | Liberal |
| Hythe [19] | 1 | Borough | England | Kent | | Stewart Marjoribanks | Liberal |
| Inverness Burghs [20] | 1 | District | Scotland | Inverness-shire | | John Baillie | Tory |
| Inverness-shire [10] | 1 | County | Scotland | Inverness-shire | | Charles Grant | Liberal |
| Ipswich [20] | 2 | Borough | England | Suffolk | | James Morrison | Liberal |
| Ipswich [20] | 2 | Borough | England | Suffolk | | Rigby Wason | Liberal |
| Isle of Wight [4] | 1 | County | England | Hampshire | | Sir Richard Simeon, Bt | Liberal |
| Kendal [10] | 1 | Borough | England | Westmorland | | James Brougham | Liberal |
| Kent Eastern [12] | 2 | County | England | Kent | | John Pemberton Plumptre | Liberal |
| Kent Eastern [12] | 2 | County | England | Kent | | Sir Edward Knatchbull, Bt | Tory |
| Kent Western [12] | 2 | County | England | Kent | | Thomas Law Hodges | Liberal |
| Kent Western [12] | 2 | County | England | Kent | | Thomas Rider | Liberal |
| Kerry [17] | 2 | County | Ireland | Kerry | | Frederick William Mullins | Irish Repeal |
| Kerry [17] | 2 | County | Ireland | Kerry | | Charles O'Connell | Irish Repeal |
| Kidderminster [16] | 1 | Borough | England | Worcestershire | | Richard Godson | Liberal |
| Kildare [11] | 2 | County | Ireland | Kildare | | Edward Ruthven | Irish Repeal |
| Kildare [11] | 2 | County | Ireland | Kildare | | Richard More O'Ferrall | Liberal |
| Kilkenny City [11] | 1 | Borough | Ireland | Kilkenny | | Richard Sullivan | Irish Repeal |
| County Kilkenny [10] | 2 | County | Ireland | Kilkenny | | Pierce Butler | Irish Repeal |
| County Kilkenny [10] | 2 | County | Ireland | Kilkenny | | William Francis Finn | Irish Repeal |
| Kilmarnock Burghs [15] | 1 | District | Scotland | Ayrshire | | John Dunlop | Liberal |
| Kincardineshire [16] | 1 | County | Scotland | Kincardineshire | | Hugh Arbuthnot | Tory |
| King's County [8] | 2 | County | Ireland | King's County | | Lord Oxmantown | Liberal |
| King's County [8] | 2 | County | Ireland | King's County | | Nicholas Fitzsimon | Irish Repeal |
| King's Lynn [12] | 2 | Borough | England | Norfolk | | Lord George Bentinck | Tory |
| King's Lynn [12] | 2 | Borough | England | Norfolk | | Lord William Lennox | Liberal |
| Kingston upon Hull [36] | 2 | Borough | England | Yorkshire, East | | Matthew Davenport Hill | Liberal |
| Kingston upon Hull [36] | 2 | Borough | England | Yorkshire, East | | William Hutt | Liberal |
| Kinsale [17] | 1 | Borough | Ireland | Cork | | Sampson Stawell | Liberal |
| Kirkcaldy Burghs [7] | 1 | District | Scotland | Fife | | Robert Ferguson | Liberal |
| Kirkcudbright Stewartry [28] | 1 | County | Scotland | Kirkcudbright Stewartry | | Robert Cutlar Fergusson | Liberal |
| Knaresborough [10] | 2 | Borough | England | Yorkshire, West | | John Richards | Liberal |
| Knaresborough [10] | 2 | Borough | England | Yorkshire, West | | Benjamin Rotch | Liberal |
| Lambeth [6] | 2 | Borough | England | Surrey | | Charles Tennyson | Liberal |
| Lambeth [6] | 2 | Borough | England | Surrey | | Benjamin Hawes | Liberal |
| Lanarkshire [4] | 1 | County | Scotland | Lanarkshire | | John Maxwell | Liberal |
| Lancashire Northern [21] | 2 | County | England | Lancashire | | John Wilson-Patten | Tory |
| Lancashire Northern [21] | 2 | County | England | Lancashire | | Hon. Edward Stanley | Liberal |
| Lancashire Southern [21] | 2 | County | England | Lancashire | | George William Wood | Liberal |
| Lancashire Southern [21] | 2 | County | England | Lancashire | | Viscount Molyneux | Liberal |
| Lancaster [21] | 2 | Borough | England | Lancashire | | Thomas Greene | Tory |
| Lancaster [21] | 2 | Borough | England | Lancashire | | Patrick Maxwell Stewart | Liberal |
| Launceston [9] | 1 | Borough | England | Cornwall | | Henry Hardinge | Tory |
| Leeds [10] | 2 | Borough | England | Yorkshire, West | | John Marshall | Liberal |
| Leeds [10] | 2 | Borough | England | Yorkshire, West | | Thomas Babington Macaulay | Liberal |
| Leicester [4] | 2 | Borough | England | Leicestershire | | William Evans | Liberal |
| Leicester [4] | 2 | Borough | England | Leicestershire | | Wynne Ellis | Liberal |
| Leicestershire Northern [4] | 2 | County | England | Leicestershire | | Lord Robert Manners | Tory |
| Leicestershire Northern [4] | 2 | County | England | Leicestershire | | Charles March Phillipps | Liberal |
| Leicestershire Southern [4] | 2 | County | England | Leicestershire | | Edward Dawson | Liberal |
| Leicestershire Southern [4] | 2 | County | England | Leicestershire | | Sir Henry Halford, Bt | Tory |
| Leith Burghs [7] | 1 | District | Scotland | Midlothian | | John Archibald Murray | Liberal |
| Leitrim [11] | 2 | County | Ireland | Leitrim | | Samuel White | Liberal |
| Leitrim [11] | 2 | County | Ireland | Leitrim | | Viscount Clements | Liberal |
| Leominster [21] | 2 | Borough | England | Herefordshire | | Thomas Bish | Liberal |
| Leominster [21] | 2 | Borough | England | Herefordshire | | The Lord Hotham | Tory |
| Lewes [12] | 2 | Borough | England | Sussex | | Sir Charles Richard Blunt, Bt | Liberal |
| Lewes [12] | 2 | Borough | England | Sussex | | Thomas Read Kemp | Liberal |
| Lichfield [28] | 2 | Borough | England | Staffordshire | | Sir Edward Scott, Bt | Liberal |
| Lichfield [28] | 2 | Borough | England | Staffordshire | | Sir George Anson | Liberal |
| Limerick City [11] | 2 | Borough | Ireland | Limerick | | William Roche | Irish Repeal |
| Limerick City [11] | 2 | Borough | Ireland | Limerick | | David Vandeleur Roche | Irish Repeal |
| County Limerick [11] | 2 | County | Ireland | Limerick | | Standish O'Grady | Liberal |
| County Limerick [11] | 2 | County | Ireland | Limerick | | Hon. Richard FitzGibbon | Liberal |
| Lincoln [10] | 2 | Borough | England | Lincolnshire | | George Heneage | Liberal |
| Lincoln [10] | 2 | Borough | England | Lincolnshire | | Edward Lytton Bulwer | Liberal |
| Lincolnshire Northern [20] | 2 | County | England | Lincolnshire | | Hon. Charles Anderson-Pelham | Liberal |
| Lincolnshire Northern [20] | 2 | County | England | Lincolnshire | | Sir William Amcotts-Ingilby, Bt | Liberal |
| Lincolnshire Southern [20] | 2 | County | England | Lincolnshire | | Henry Handley | Liberal |
| Lincolnshire Southern [20] | 2 | County | England | Lincolnshire | | Gilbert Heathcote | Liberal |
| Linlithgowshire [9] | 1 | County | Scotland | Linlithgowshire | | Sir Alexander Hope | Tory |
| Lisburn [8] | 1 | Borough | Ireland | Antrim | | Henry Meynell | Tory |
| Liskeard [9] | 1 | Borough | England | Cornwall | | Charles Buller | Liberal |
| Liverpool [21] | 2 | Borough | England | Lancashire | | Viscount Sandon | Tory |
| Liverpool [21] | 2 | Borough | England | Lancashire | | William Ewart | Liberal |
| City of London [25] | 4 | Borough | England | Middlesex | | George Grote | Liberal |
| City of London [25] | 4 | Borough | England | Middlesex | | Sir Matthew Wood, Bt | Liberal |
| City of London [25] | 4 | Borough | England | Middlesex | | Robert Waithman | Liberal |
| City of London [25] | 4 | Borough | England | Middlesex | | Sir John Key, Bt | Liberal |
| Londonderry City [11] | 1 | Borough | Ireland | Londonderry | | Sir Robert Ferguson, Bt | Liberal |
| County Londonderry [11] | 2 | County | Ireland | Londonderry | | Theobald Jones | Tory |
| County Londonderry [11] | 2 | County | Ireland | Londonderry | | Sir Robert Bateson, Bt | Tory |
| County Longford [11] | 2 | County | Ireland | Longford | | Luke White [37] | Irish Repeal |
| County Longford [11] | 2 | County | Ireland | Longford | | James Halpin Rorke [37] | Irish Repeal |
| County Louth [8] | 2 | County | Ireland | Louth | | Thomas FitzGerald | Irish Repeal |
| County Louth [8] | 2 | County | Ireland | Louth | | Richard Bellew | Irish Repeal |
| Ludlow [10] | 2 | Borough | England | Shropshire | | Viscount Clive | Tory |
| Ludlow [10] | 2 | Borough | England | Shropshire | | Edward Romilly | Liberal |
| Lyme Regis [13] | 1 | Borough | England | Dorset | | William Pinney | Liberal |
| Lymington [6] | 2 | Borough | England | Hampshire | | Sir Harry Burrard-Neale, Bt | Tory |
| Lymington [6] | 2 | Borough | England | Hampshire | | John Stewart | Tory |
| Macclesfield [14] | 2 | Borough | England | Cheshire | | John Ryle | Tory |
| Macclesfield [14] | 2 | Borough | England | Cheshire | | John Brocklehurst | Liberal |
| Maidstone [12] | 2 | Borough | England | Kent | | Abraham Wildey Robarts | Liberal |
| Maidstone [12] | 2 | Borough | England | Kent | | Charles James Barnett | Liberal |
| Maldon [16] | 2 | Borough | England | Essex | | Thomas Barrett Lennard | Liberal |
| Maldon [16] | 2 | Borough | England | Essex | | Quintin Dick | Tory |
| Mallow [17] | 1 | Borough | Ireland | Cork | | William Daunt [38] | Irish Repeal |
| Malmesbury [23] | 1 | Borough | England | Wiltshire | | Viscount Andover | Liberal |
| Malton [10] | 2 | Borough | England | Yorkshire, North/East | | William Fitzwilliam | Liberal |
| Malton [10] | 2 | Borough | England | Yorkshire, North/East | | Charles Pepys | Liberal |
| Manchester [21] | 2 | Borough | England | Lancashire | | Mark Philips | Liberal |
| Manchester [21] | 2 | Borough | England | Lancashire | | Charles Poulett Thomson | Liberal |
| Marlborough [23] | 2 | Borough | England | Wiltshire | | Lord Ernest Brudenell-Bruce | Tory |
| Marlborough [23] | 2 | Borough | England | Wiltshire | | Henry Bingham Baring | Tory |
| Marylebone [9] | 2 | Borough | England | Middlesex | | Edward Berkeley Portman | Liberal |
| Marylebone [9] | 2 | Borough | England | Middlesex | | Sir William Horne | Liberal |
| Mayo [17] | 2 | County | Ireland | Mayo | | John Browne | Liberal |
| Mayo [17] | 2 | County | Ireland | Mayo | | Dominick Browne | Liberal |
| Meath [11] | 2 | County | Ireland | Meath | | Morgan O'Connell | Irish Repeal |
| Meath [11] | 2 | County | Ireland | Meath | | Henry Grattan | Irish Repeal |
| Merionethshire [31] | 1 | County | Wales | Merionethshire | | Sir Robert Vaughan, Bt. | Tory |
| Merthyr Tydvil [4] | 1 | Borough | Wales | Glamorganshire | | John Josiah Guest | Liberal |
| Middlesex [9] | 2 | County | England | Middlesex | | Joseph Hume | Liberal |
| Middlesex [9] | 2 | County | England | Middlesex | | George Byng | Liberal |
| Midhurst [12] | 1 | Borough | England | Sussex | | Hon. Frederick Spencer | Liberal |
| Midlothian (aka Edinburghshire) [4] | 1 | County | Scotland | Midlothian | | Sir John Dalrymple, Bt | Liberal |
| Monaghan [11] | 2 | County | Ireland | Monaghan | | Cadwallader Blayney | Tory |
| Monaghan [11] | 2 | County | Ireland | Monaghan | | Hon. Henry Westenra | Liberal |
| Monmouth Boroughs [7] | 1 | District | Wales | Monmouthshire | | Benjamin Hall | Liberal |
| Monmouthshire [7] | 2 | County | Wales | Monmouthshire | | Lord Granville Somerset | Tory |
| Monmouthshire [7] | 2 | County | Wales | Monmouthshire | | William Addams Williams | Liberal |
| Montgomery Boroughs [9] | 1 | District | Wales | Montgomeryshire | | David Pugh [39] | Tory |
| Montgomeryshire [9] | 1 | County | Wales | Montgomeryshire | | Charles Williams-Wynn | Tory |
| Montrose Burghs [15] | 1 | District | Scotland | Forfarshire | | Horatio Ross | Liberal |
| Morpeth [20] | 1 | Borough | England | Northumberland | | Frederick George Howard | Liberal |
| Newark-on-Trent [15] | 2 | Borough | England | Nottinghamshire | | William Ewart Gladstone | Tory |
| Newark-on-Trent [15] | 2 | Borough | England | Nottinghamshire | | William Farnworth Handley | Tory |
| Newcastle-under-Lyme [21] | 2 | Borough | England | Staffordshire | | William Henry Miller | Tory |
| Newcastle-under-Lyme [21] | 2 | Borough | England | Staffordshire | | Sir Henry Willoughby, Bt | Tory |
| Newcastle-upon-Tyne [28] | 2 | Borough | England | Northumberland | | Sir Matthew White Ridley, Bt | Liberal |
| Newcastle-upon-Tyne [28] | 2 | Borough | England | Northumberland | | John Hodgson | Tory |
| Newport [7] | 2 | Borough | England | Hampshire | | John Heywood Hawkins | Liberal |
| Newport [7] | 2 | Borough | England | Hampshire | | William Henry Ord | Liberal |
| New Ross [8] | 1 | Borough | Ireland | Wexford | | John Hyacinth Talbot | Irish Repeal |
| Newry [17] | 1 | Borough | Ireland | Armagh/Down | | Lord Marcus Hill | Tory |
| New Shoreham [16] | 2 | Borough | England | Sussex | | Sir Charles Burrell, Bt | Tory |
| New Shoreham [16] | 2 | Borough | England | Sussex | | Harry Goring | Liberal |
| Norfolk Eastern [12] | 2 | County | England | Norfolk | | William Howe Windham | Liberal |
| Norfolk Eastern [12] | 2 | County | England | Norfolk | | Hon. George Keppel | Liberal |
| Norfolk Western [12] | 2 | County | England | Norfolk | | Sir Jacob Astley, Bt | Liberal |
| Norfolk Western [12] | 2 | County | England | Norfolk | | Sir William Ffolkes, Bt | Liberal |
| Northallerton [22] | 1 | Borough | England | Yorkshire, North | | John George Boss | Liberal |
| Northampton [15] | 2 | Borough | England | Northamptonshire | | Robert Vernon Smith | Liberal |
| Northampton [15] | 2 | Borough | England | Northamptonshire | | Charles Ross | Tory |
| Northamptonshire Northern [15] | 2 | County | England | Northamptonshire | | Viscount Milton | Liberal |
| Northamptonshire Northern [15] | 2 | County | England | Northamptonshire | | Lord James Brudenell | Tory |
| Northamptonshire Southern [15] | 2 | County | England | Northamptonshire | | Viscount Althorp | Liberal |
| Northamptonshire Southern [15] | 2 | County | England | Northamptonshire | | William Ralph Cartwright | Tory |
| Northumberland Northern [20] | 2 | County | England | Northumberland | | Viscount Howick | Liberal |
| Northumberland Northern [20] | 2 | County | England | Northumberland | | Lord Ossulston | Tory |
| Northumberland Southern [20] | 2 | County | England | Northumberland | | Thomas Wentworth Beaumont | Liberal |
| Northumberland Southern [20] | 2 | County | England | Northumberland | | Matthew Bell | Tory |
| Norwich [25] | 2 | Borough | England | Norfolk | | Viscount Stormont | Tory |
| Norwich [25] | 2 | Borough | England | Norfolk | | Sir James Scarlett | Tory |
| Nottingham [19] | 2 | Borough | England | Nottinghamshire | | Sir Ronald Craufurd Ferguson | Liberal |
| Nottingham [19] | 2 | Borough | England | Nottinghamshire | | Viscount Duncannon | Liberal |
| Nottinghamshire Northern [15] | 2 | County | England | Nottinghamshire | | Viscount Lumley | Liberal |
| Nottinghamshire Northern [15] | 2 | County | England | Nottinghamshire | | Thomas Houldsworth | Tory |
| Nottinghamshire Southern [15] | 2 | County | England | Nottinghamshire | | Evelyn Denison | Liberal |
| Nottinghamshire Southern [15] | 2 | County | England | Nottinghamshire | | Earl of Lincoln | Tory |
| Oldham [21] | 2 | Borough | England | Lancashire | | John Fielden | Liberal |
| Oldham [21] | 2 | Borough | England | Lancashire | | William Cobbett | Liberal |
| Orkney and Shetland [13] | 1 | County | Scotland | Orkney & Shetland | | George Traill | Liberal |
| Oxford [8] | 2 | Borough | England | Oxfordshire | | James Haughton Langston | Liberal |
| Oxford [8] | 2 | Borough | England | Oxfordshire | | Thomas Stonor [40] | Liberal |
| Oxfordshire [41] | 3 | County | England | Oxfordshire | | George Granville Harcourt | Liberal |
| Oxfordshire [41] | 3 | County | England | Oxfordshire | | Lord Norreys | Tory |
| Oxfordshire [41] | 3 | County | England | Oxfordshire | | Richard Weyland | Liberal |
| Oxford University [41] | 2 | University | England | Oxfordshire | | Thomas Estcourt· | Tory |
| Oxford University [41] | 2 | University | England | Oxfordshire | | Sir Robert Inglis, Bt | Tory |
| Paisley [16] | 1 | Burgh | Scotland | Renfrewshire | | Sir John Maxwell, Bt | Liberal |
| Peeblesshire [7] | 1 | County | Scotland | Peeblesshire | | Sir John Hay, Bt | Tory |
| Pembroke Boroughs [31] | 1 | District | Wales | Pembrokeshire | | Hugh Owen Owen | Tory |
| Pembrokeshire [31] | 1 | County | Wales | Pembrokeshire | | Sir John Owen, Bt | Tory |
| Penryn and Falmouth [9] | 2 | Borough | England | Cornwall | | Robert Rolfe | Liberal |
| Penryn and Falmouth [9] | 2 | Borough | England | Cornwall | | Lord Tullamore | Tory |
| Perth [5] | 1 | Burgh | Scotland | Perthshire | | Laurence Oliphant | Liberal |
| Perthshire [5] | 1 | County | Scotland | Perthshire | | Earl of Ormelie | Liberal |
| Peterborough [15] | 2 | Borough | England | Northamptonshire | | John Nicholas Fazakerley | Liberal |
| Peterborough [15] | 2 | Borough | England | Northamptonshire | | Sir Robert Heron, Bt | Liberal |
| Petersfield [6] | 1 | Borough | England | Hampshire | | John Shaw-Lefevre [42] | Liberal |
| Plymouth [18] | 2 | Borough | England | Devon | | Thomas Bewes | Liberal |
| Plymouth [18] | 2 | Borough | England | Devon | | John Collier | Liberal |
| Pontefract [10] | 2 | Borough | England | Yorkshire, West | | John Gully | Liberal |
| Pontefract [10] | 2 | Borough | England | Yorkshire, West | | Hon. Henry Stafford-Jerningham | Liberal |
| Poole [19] | 2 | Borough | England | Dorset | | Benjamin Lester | Liberal |
| Poole [19] | 2 | Borough | England | Dorset | | John Byng | Liberal |
| Portarlington [17] | 1 | Borough | Ireland | Queen's County/King's County | | Thomas Gladstone | Tory |
| Portsmouth [7] | 2 | Borough | England | Hampshire | | John Bonham-Carter | Liberal |
| Portsmouth [7] | 2 | Borough | England | Hampshire | | Francis Thornhill Baring | Liberal |
| Preston [21] | 2 | Borough | England | Lancashire | | Peter Hesketh-Fleetwood | Tory |
| Preston [21] | 2 | Borough | England | Lancashire | | Hon. Henry Smith-Stanley | Liberal |
| Queen's County [17] | 2 | County | Ireland | Queen's County | | Patrick Lalor | Irish Repeal |
| Queen's County [17] | 2 | County | Ireland | Queen's County | | Sir Charles Coote, Bt | Tory |
| Radnor Boroughs [26] | 1 | District | Wales | Radnorshire | | Richard Price | Tory |
| Radnorshire [26] | 1 | County | Wales | Radnorshire | | Thomas Frankland Lewis | Tory |
| Reading [5] | 2 | Borough | England | Berkshire | | Charles Fyshe Palmer | Liberal |
| Reading [5] | 2 | Borough | England | Berkshire | | Charles Russell | Tory |
| Reigate [6] | 1 | Borough | England | Surrey | | Viscount Eastnor | Tory |
| Renfrewshire [16] | 1 | County | Scotland | Renfrewshire | | Sir Michael Shaw-Stewart, Bt | Liberal |
| Richmond [10] | 2 | Borough | England | Yorkshire, North | | Hon. John Dundas | Liberal |
| Richmond [10] | 2 | Borough | England | Yorkshire, North | | Sir Robert Lawrence Dundas | Liberal |
| Ripon [10] | 2 | Borough | England | Yorkshire, West | | Thomas Staveley | Liberal |
| Ripon [10] | 2 | Borough | England | Yorkshire, West | | Joshua Crompton | Liberal |
| Rochdale [14] | 1 | Borough | England | Lancashire | | John Fenton | Liberal |
| Rochester [12] | 2 | Borough | England | Kent | | Ralph Bernal | Liberal |
| Rochester [12] | 2 | Borough | England | Kent | | John Mills | Tory |
| Roscommon [11] | 2 | County | Ireland | Roscommon | | Fitzstephen French | Liberal |
| Roscommon [11] | 2 | County | Ireland | Roscommon | | The O'Conor Don | Irish Repeal |
| Ross and Cromarty [41] | 1 | County | Scotland | Ross-shire/Cromartyshire | | James Stewart-Mackenzie | Liberal |
| Roxburghshire [16] | 1 | County | Scotland | Roxburghshire | | George Elliot | Liberal |
| Rutland [43] | 2 | County | England | Rutland | | Sir Gerard Noel, Bt. | Tory |
| Rutland [43] | 2 | County | England | Rutland | | Sir Gilbert Heathcote, Bt. | Liberal |
| Rye [19] | 1 | Borough | England | Sussex | | Edward Barrett Curteis | Liberal |
| St Albans [20] | 2 | Borough | England | Hertfordshire | | Sir Francis Vincent, Bt | Liberal |
| St Albans [20] | 2 | Borough | England | Hertfordshire | | Henry George Ward | Liberal |
| St Andrews Burghs [4] | 1 | District | Scotland | Fife | | Andrew Johnston | Liberal |
| St Ives [9] | 1 | Borough | England | Cornwall | | James Halse | Tory |
| Salford [14] | 1 | Borough | England | Lancashire | | Joseph Brotherton | Liberal |
| Salisbury [23] | 2 | Borough | England | Wiltshire | | William Bird Brodie | Liberal |
| Salisbury [23] | 2 | Borough | England | Wiltshire | | Wadham Wyndham | Tory |
| Sandwich [19] | 2 | Borough | England | Kent | | Joseph Marryat | Liberal |
| Sandwich [19] | 2 | Borough | England | Kent | | Sir Edward Troubridge, Bt | Liberal |
| Scarborough [10] | 2 | Borough | England | Yorkshire, East | | Sir John Vanden-Bempde-Johnstone, Bt | Liberal |
| Scarborough [10] | 2 | Borough | England | Yorkshire, East | | Sir George Cayley, Bt | Liberal |
| Selkirkshire [9] | 1 | County | Scotland | Selkirkshire | | Robert Pringle | Liberal |
| Shaftesbury [13] | 1 | Borough | England | Dorset | | John Sayer Poulter | Liberal |
| Sheffield [22] | 2 | Borough | England | Yorkshire, West | | John Parker | Liberal |
| Sheffield [22] | 2 | Borough | England | Yorkshire, West | | James Silk Buckingham | Liberal |
| Shrewsbury [10] | 2 | Borough | England | Shropshire | | Sir John Hanmer, Bt | Tory |
| Shrewsbury [10] | 2 | Borough | England | Shropshire | | Robert Aglionby Slaney | Liberal |
| Shropshire Northern [10] | 2 | County | England | Shropshire | | Sir Rowland Hill, Bt | Tory |
| Shropshire Northern [10] | 2 | County | England | Shropshire | | John Cotes | Liberal |
| Shropshire Southern [10] | 2 | County | England | Shropshire | | Earl of Darlington | Tory |
| Shropshire Southern [10] | 2 | County | England | Shropshire | | Hon. Robert Clive | Tory |
| Sligo [44] | 1 | Borough | Ireland | Sligo | | John Martin | Liberal |
| County Sligo [44] | 2 | County | Ireland | Sligo | | Edward Joshua Cooper | Tory |
| County Sligo [44] | 2 | County | Ireland | Sligo | | Alexander Perceval | Tory |
| Somerset Eastern [12] | 2 | County | England | Somerset | | William Gore-Langton | Liberal |
| Somerset Eastern [12] | 2 | County | England | Somerset | | William Papwell Brigstocke | Liberal |
| Somerset Western [12] | 2 | County | England | Somerset | | Edward Ayshford Sanford | Liberal |
| Somerset Western [12] | 2 | County | England | Somerset | | Charles Kemeys-Tynte | Liberal |
| Southampton [19] | 2 | Borough | England | Hampshire | | Arthur Atherley | Liberal |
| Southampton [19] | 2 | Borough | England | Hampshire | | James Barlow-Hoy | Tory |
| South Shields [16] | 1 | Borough | England | Durham | | Robert Ingham | Liberal |
| Southwark [6] | 2 | Borough | England | Surrey | | John Humphery | Liberal |
| Southwark [6] | 2 | Borough | England | Surrey | | William Brougham | Liberal |
| Stafford [21] | 2 | Borough | England | Staffordshire | | William Fawkener Chetwynd | Liberal |
| Stafford [21] | 2 | Borough | England | Staffordshire | | Rees Howell Gronow | Liberal |
| Staffordshire Northern [21] | 2 | County | England | Staffordshire | | Sir Oswald Mosley, Bt | Liberal |
| Staffordshire Northern [21] | 2 | County | England | Staffordshire | | Edward Buller | Liberal |
| Staffordshire Southern [21] | 2 | County | England | Staffordshire | | Edward John Littleton | Liberal |
| Staffordshire Southern [21] | 2 | County | England | Staffordshire | | Sir John Wrottesley, Bt | Liberal |
| Stamford [20] | 2 | Borough | England | Lincolnshire | | Thomas Chaplin | Tory |
| Stamford [20] | 2 | Borough | England | Lincolnshire | | George Finch | Tory |
| Stirling Burghs [9] | 1 | District | Scotland | Stirlingshire | | Lord Dalmeny | Liberal |
| Stirlingshire [16] | 1 | County | Scotland | Stirlingshire | | Charles Elphinstone Fleeming | Liberal |
| Stockport [14] | 2 | Borough | England | Cheshire | | Thomas Marsland | Tory |
| Stockport [14] | 2 | Borough | England | Cheshire | | John Horatio Lloyd | Liberal |
| Stoke-upon-Trent [21] | 2 | Borough | England | Staffordshire | | Josiah Wedgwood III | Liberal |
| Stoke-upon-Trent [21] | 2 | Borough | England | Staffordshire | | John Davenport | Tory |
| Stroud [21] | 2 | Borough | England | Gloucestershire | | William Henry Hyett | Liberal |
| Stroud [21] | 2 | Borough | England | Gloucestershire | | David Ricardo | Liberal |
| Sudbury [20] | 2 | Borough | England | Suffolk | | Michael Angelo Taylor | Liberal |
| Sudbury [20] | 2 | Borough | England | Suffolk | | Sir John Benn Walsh, Bt | Tory |
| Suffolk Eastern [20] | 2 | County | England | Suffolk | | The Lord Henniker | Tory |
| Suffolk Eastern [20] | 2 | County | England | Suffolk | | Robert Newton Shawe | Liberal |
| Suffolk Western [20] | 2 | County | England | Suffolk | | Charles Tyrell | Liberal |
| Suffolk Western [20] | 2 | County | England | Suffolk | | Sir Hyde Parker, Bt | Liberal |
| Sunderland [16] | 2 | Borough | England | Durham | | Sir William Chaytor, Bt | Liberal |
| Sunderland [16] | 2 | Borough | England | Durham | | George Barrington | Liberal |
| Surrey Eastern [6] | 2 | County | England | Surrey | | John Ivatt Briscoe | Liberal |
| Surrey Eastern [6] | 2 | County | England | Surrey | | Aubrey Beauclerk | Liberal |
| Surrey Western [6] | 2 | County | England | Surrey | | William Denison | Liberal |
| Surrey Western [6] | 2 | County | England | Surrey | | John Leach | Liberal |
| Sussex Eastern [16] | 2 | County | England | Sussex | | Hon. Charles Cavendish | Liberal |
| Sussex Eastern [16] | 2 | County | England | Sussex | | Herbert Barrett Curteis | Liberal |
| Sussex Western [16] | 2 | County | England | Sussex | | Lord John Lennox | Liberal |
| Sussex Western [16] | 2 | County | England | Sussex | | Earl of Surrey | Liberal |
| Sutherland [15] | 1 | County | Scotland | Sutherland | | Roderick Macleod | Liberal |
| Swansea District [4] | 1 | District | Wales | Glamorganshire | | John Henry Vivian | Liberal |
| Tamworth [21] | 2 | Borough | England | Staffordshire/Warwickshire | | Sir Robert Peel | Tory |
| Tamworth [21] | 2 | Borough | England | Staffordshire/Warwickshire | | Lord Charles Townshend | Liberal |
| Taunton [12] | 2 | Borough | England | Somerset | | Henry Labouchere | Liberal |
| Taunton [12] | 2 | Borough | England | Somerset | | Edward Thomas Bainbridge | Liberal |
| Tavistock [13] | 2 | Borough | England | Devon | | Charles Richard Fox | Liberal |
| Tavistock [13] | 2 | Borough | England | Devon | | Lord Russell | Liberal |
| Tewkesbury [21] | 2 | Borough | England | Gloucestershire | | Charles Hanbury-Tracy | Liberal |
| Tewkesbury [21] | 2 | Borough | England | Gloucestershire | | John Martin | Liberal |
| Thetford [12] | 2 | Borough | England | Norfolk | | Francis Baring | Tory |
| Thetford [12] | 2 | Borough | England | Norfolk | | Lord James FitzRoy | Liberal |
| Thirsk [22] | 1 | Borough | England | Yorkshire, North | | Sir Robert Frankland, Bt | Liberal |
| Tipperary [11] | 2 | County | Ireland | Tipperary | | Hon. Cornelius O'Callaghan | Liberal |
| Tipperary [11] | 2 | County | Ireland | Tipperary | | Richard Lalor Sheil | Irish Repeal |
| Tiverton [18] | 2 | Borough | England | Devon | | John Heathcoat | Liberal |
| Tiverton [18] | 2 | Borough | England | Devon | | James Kennedy [45] | Liberal |
| Totnes [18] | 2 | Borough | England | Devon | | Jasper Parrott | Liberal |
| Totnes [18] | 2 | Borough | England | Devon | | James Cornish | Liberal |
| Tower Hamlets [9] | 2 | Borough | England | Middlesex | | Stephen Lushington | Liberal |
| Tower Hamlets [9] | 2 | Borough | England | Middlesex | | William Clay | Liberal |
| Tralee [17] | 1 | Borough | Ireland | Kerry | | Maurice O'Connell | Irish Repeal |
| Truro [9] | 2 | Borough | England | Cornwall | | Sir Hussey Vivian, Bt | Liberal |
| Truro [9] | 2 | Borough | England | Cornwall | | William Tooke | Liberal |
| Tynemouth and North Shields [20] | 1 | Borough | England | Northumberland | | George Frederick Young | Liberal |
| Tyrone [11] | 2 | County | Ireland | Tyrone | | Henry Thomas Lowry-Corry | Tory |
| Tyrone [11] | 2 | County | Ireland | Tyrone | | Sir Hugh Stewart, Bt | Tory |
| Wakefield [22] | 1 | Borough | England | Yorkshire, West | | Daniel Gaskell | Liberal |
| Wallingford [5] | 1 | Borough | England | Berkshire | | William Seymour Blackstone | Tory |
| Walsall [21] | 1 | Borough | England | Staffordshire | | Charles Smith Forster | Tory |
| Wareham [13] | 1 | Borough | England | Dorset | | John Hales Calcraft | Tory |
| Warrington [14] | 1 | Borough | England | Lancashire | | Edmund George Hornby | Liberal |
| Warwick [20] | 2 | Borough | England | Warwickshire | | Sir Charles Greville [46] | Tory |
| Warwick [20] | 2 | Borough | England | Warwickshire | | Edward Bolton King | Liberal |
| Warwickshire Northern [20] | 2 | County | England | Warwickshire | | Sir John Eardley-Wilmot, Bt | Tory |
| Warwickshire Northern [20] | 2 | County | England | Warwickshire | | William Stratford Dugdale | Tory |
| Warwickshire Southern [20] | 2 | County | England | Warwickshire | | Sir Grey Skipwith, Bt | Liberal |
| Warwickshire Southern [20] | 2 | County | England | Warwickshire | | Sir George Philips, Bt | Liberal |
| Waterford City [44] | 2 | Borough | Ireland | Waterford | | Henry Barron | Irish Repeal |
| Waterford City [44] | 2 | Borough | Ireland | Waterford | | William Christmas | Tory |
| County Waterford [8] | 2 | County | Ireland | Waterford | | John Matthew Galwey | Irish Repeal |
| County Waterford [8] | 2 | County | Ireland | Waterford | | Sir Richard Keane, Bt | Liberal |
| Wells [12] | 2 | Borough | England | Somerset | | Norman Lamont | Liberal |
| Wells [12] | 2 | Borough | England | Somerset | | John Lee Lee | Liberal |
| Wenlock [10] | 2 | Borough | England | Shropshire | | George Weld-Forester | Tory |
| Wenlock [10] | 2 | Borough | England | Shropshire | | James Milnes Gaskell | Tory |
| Westbury [23] | 1 | Borough | England | Wiltshire | | Sir Ralph Lopes, Bt | Liberal |
| Westmeath [11] | 2 | County | Ireland | Westmeath | | Montagu Lowther Chapman | Liberal |
| Westmeath [11] | 2 | County | Ireland | Westmeath | | Sir Richard Nagle, Bt | Irish Repeal |
| Westminster [9] | 2 | Borough | England | Middlesex | | Sir Francis Burdett, Bt | Liberal |
| Westminster [9] | 2 | Borough | England | Middlesex | | Sir John Cam Hobhouse, Bt | Liberal |
| Westmorland [10] | 2 | County | England | Westmorland | | Viscount Lowther | Tory |
| Westmorland [10] | 2 | County | England | Westmorland | | Henry Cecil Lowther | Tory |
| Wexford [8] | 1 | Borough | Ireland | Wexford | | Charles Arthur Walker | Irish Repeal |
| County Wexford [8] | 2 | County | Ireland | Wexford | | Robert Carew | Liberal |
| County Wexford [8] | 2 | County | Ireland | Wexford | | Henry Lambert | Liberal |
| Weymouth and Melcombe Regis [13] | 2 | Borough | England | Dorset | | Thomas Fowell Buxton | Liberal |
| Weymouth and Melcombe Regis [13] | 2 | Borough | England | Dorset | | Sir Frederick Johnstone, Bt | Tory |
| Whitby [22] | 1 | Borough | England | Yorkshire, North | | Aaron Chapman | Tory |
| Whitehaven | 1 | Borough | England | Cumberland | | Matthias Attwood | Tory |
| Wick Burghs [9] | 1 | District | Scotland | Caithness | | James Loch | Liberal |
| Wicklow [8] | 2 | County | Ireland | Wicklow | | Ralph Howard | Liberal |
| Wicklow [8] | 2 | County | Ireland | Wicklow | | James Grattan | Liberal |
| Wigan [21] | 2 | Borough | England | Lancashire | | Ralph Thicknesse | Liberal |
| Wigan [21] | 2 | Borough | England | Lancashire | | Richard Potter | Liberal |
| Wigtown Burghs [15] | 1 | District | Scotland | Wigtownshire | | Edward Stewart | Liberal |
| Wigtownshire [7] | 1 | County | Scotland | Wigtownshire | | Sir Andrew Agnew, Bt | Liberal |
| Wilton [23] | 1 | Borough | England | Wiltshire | | John Penruddocke | Tory |
| Wiltshire Northern [23] | 2 | County | England | Wiltshire | | Paul Methuen | Liberal |
| Wiltshire Northern [23] | 2 | County | England | Wiltshire | | Sir John Astley, Bt | Liberal |
| Wiltshire Southern [23] | 2 | County | England | Wiltshire | | John Bennett | Liberal |
| Wiltshire Southern [23] | 2 | County | England | Wiltshire | | Sidney Herbert | Tory |
| Winchester [7] | 2 | Borough | England | Hampshire | | Bingham Baring | Liberal |
| Winchester [7] | 2 | Borough | England | Hampshire | | Paulet St John-Mildmay | Liberal |
| Windsor [5] | 2 | Borough | England | Berkshire | | Samuel Pechell | Liberal |
| Windsor [5] | 2 | Borough | England | Berkshire | | John Ramsbottom | Liberal |
| Wolverhampton [21] | 2 | Borough | England | Staffordshire | | William Wolryche-Whitmore | Liberal |
| Wolverhampton [21] | 2 | Borough | England | Staffordshire | | Richard Fryer | Liberal |
| Woodstock [8] | 1 | Borough | England | Oxfordshire | | Marquess of Blandford | Tory |
| Worcester [25] | 2 | Borough | England | Worcestershire | | Thomas Davies | Liberal |
| Worcester [25] | 2 | Borough | England | Worcestershire | | George Richard Robinson | Liberal |
| Worcestershire Eastern [16] | 2 | County | England | Worcestershire | | William Congreve Russell | Liberal |
| Worcestershire Eastern [16] | 2 | County | England | Worcestershire | | Thomas Cookes | Liberal |
| Worcestershire Western [16] | 2 | County | England | Worcestershire | | Hon. Henry Lygon | Tory |
| Worcestershire Western [16] | 2 | County | England | Worcestershire | | Hon. Thomas Foley | Liberal |
| Wycombe [5] | 2 | Borough | England | Buckinghamshire | | Charles Grey | Liberal |
| Wycombe [5] | 2 | Borough | England | Buckinghamshire | | Hon. Robert Smith | Liberal |
| York [19] | 2 | Borough | England | Yorkshire | | Edward Petre | Liberal |
| York [19] | 2 | Borough | England | Yorkshire | | Samuel Adlam Bayntun | Liberal |
| East Riding of Yorkshire [10] | 2 | County | England | Yorkshire, East | | Richard Bethell | Tory |
| East Riding of Yorkshire [10] | 2 | County | England | Yorkshire, East | | Paul Thompson | Liberal |
| North Riding of Yorkshire [10] | 2 | County | England | Yorkshire, North | | Hon. William Duncombe | Tory |
| North Riding of Yorkshire [10] | 2 | County | England | Yorkshire, North | | Edward Stillingfleet Cayley | Liberal |
| West Riding of Yorkshire [10] | 2 | County | England | Yorkshire, West | | Viscount Morpeth | Liberal |
| West Riding of Yorkshire [10] | 2 | County | England | Yorkshire, West | | Sir George Strickland, Bt | Liberal |
| Youghal [17] | 1 | Borough | Ireland | Cork | | John O'Connell | Irish Repeal |