Date | Constituency | c/u | Former Incumbent | Winner | Cause |
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24 December 1774 | Wendover | u | John Adams | Henry Drummond | Chose to sit for Carmarthen |
27 December 1774 | Gatton | u* | Sir William Mayne | Robert Mayne | Chose to sit for Canterbury |
u | Robert Scott | William Adam | Chose to sit for Wootton Bassett |
27 December 1774 | Midhurst | u | Herbert Mackworth | Henry Seymour Conway | Chose to sit for Cardiff Boroughs |
u* | Clement Tudway | John Ord | Chose to sit for Wells |
28 December 1774 | Cricklade | c(*) | William Earle | Samuel Peach | Death (Two MPs elected due to a Double Return) |
John Dewar |
28 December 1774 | Winchester | u | Henry Penton | Henry Penton | Lord of the Admiralty |
29 December 1774 | Mitchell | u | James Scawen | Thomas Howard | Chose to sit for Surrey |
30 December 1774 | Great Bedwyn | u | The Earl of Courtown | Viscount Cranborne | Resignation |
30 December 1774 | Newport (Cornwall) | u | Humphry Morice | John Frederick | Chose to sit for Launceston |
31 December 1774 | Minehead | u | Henry Fownes Luttrell | Thomas Pownall | Resignation |
2 January 1775 | Castle Rising | u | Alexander Wedderburn | Charles Finch | Chose to sit for Okehampton |
2 January 1775 | East Looe | u | Charles Whitworth | Thomas Graves | Resignation to contest Saltash |
3 January 1775 | Saltash | u | Thomas Bradshaw | Charles Whitworth | Death |
3 January 1775 | Winchelsea | u | Arnold Nesbitt | William Nedham | Chose to sit for Cricklade |
6 January 1775 | Richmond | u | Thomas Dundas | Charles Dundas | Chose to sit for Stirlingshire |
11 January 1775 | Nottinghamshire | u* | Thomas Willoughby | Lord Charles Edward Bentinck | Succeeded to a peerage |
12 January 1775 | Leicestershire | c* | Thomas Noel | John Peach Hungerford | Succeeded to a peerage |
30 January 1775 | Cockermouth | u | George Johnstone | Ralph Gowland | Chose to sit for Appleby |
Fletcher Norton | James Adair | Chose to sit for Carlisle |
30 January 1775 | Derby | c | Wenman Coke | John Gisborne | Chose to sit for Norfolk |
John Gisborne | Daniel Coke | By-election results reversed on petition 8 February 1776 |
2 February 1775 | East Retford | u | Lord Thomas Pelham Clinton | William Hanger | Chose to sit for Westminster |
4 February 1775 | Derbyshire | u* | Godfrey Bagnall Clarke | Nathaniel Curzon | Death |
6 February 1775 | Yarmouth | u | Edward Meux Worsley | James Worsley | Resignation |
7 February 1775 | Plympton Erle | u | Paul Henry Ourry | John Durand | Resignation (Commissioner of the Navy) |
20 February 1775 | Wilton | u* | Nicholas Herbert | Charles Herbert | Death |
28 February 1775 | Malton | u* | Edmund Burke | William Weddell | Chose to sit for Bristol |
4 March 1775 | Cricklade | c | Samuel Peach | Samuel Peach | By-election Voided due to a Double Return |
John Dewar |
Samuel Peach | John Dewar | By-election results reversed on petition 19 February 1776 |
11 March 1775 | Abingdon | u* | John Mayor | John Mayor | Void Election |
13 March 1775 | Boroughbridge | u | Charles Mellish | William Phillips | Chose to sit for Pontefract |
15 March 1775 | Wendover | u | Joseph Bullock | Thomas Dummer | Resignation |
17 March 1775 | Shrewsbury | u | The Lord Clive | John Corbet | Death |
22 March 1775 | Worcestershire | u* | William Dowdeswell | William Lygon | Death |
27 March 1775 | Bury St Edmunds | c* | Augustus John Hervey | Henry Seymour Conway | Succeeded to a peerage |
5 April 1775 | Heytesbury | u | William Gordon | William Gordon | Groom of the Bedchamber |
12 April 1775 | Scarborough | u | Sir Hugh Palliser | Sir Hugh Palliser | Naval Lord |
19 April 1775 | Knaresborough | u | Sir Anthony Abdy | Lord George Cavendish | Resignation |
20 April 1775 | Rye | u* | Middleton Onslow | Thomas Onslow | Resignation |
24 April 1775 | Newtown | u | Harcourt Powell | Charles Ambler | Resignation |
16 May 1775 | St Ives | u* | William Praed | Sir Thomas Wynn | Void Election |
23 May 1775 | Wigan | u | Beaumont Hotham | John Morton | Resignation (Baron of the Exchequer) |
31 May 1775 | Carlisle | u | Fletcher Norton | Walter Spencer Stanhope | Resignation |
5 June 1775 | East Looe | u* | Thomas Graves | William Graves | Resignation |
7 June 1775 | West Looe | u | Charles Ogilvie | John Rogers | Resignation |
8 June 1775 | Edinburghshire | u* | Henry Dundas | Henry Dundas | Lord Advocate |
14 June 1775 | Surrey | c* | Sir Francis Vincent | Sir Joseph Mawbey | Death |
17 June 1775 | Peeblesshire | u | Sir James William Montgomery | Adam Hay | Resignation (Chief Baron of the Scottish Exchequer) |
30 October 1775 | Ripon | u | Charles Allanson | William Lawrence | Death |
3 November 1775 | Hastings | u* | Charles Jenkinson | Charles Jenkinson | Clerk of the Pells in Ireland |
8 November 1775 | Malmesbury | u | Charles James Fox | Charles James Fox | Seeks re-election upon inheriting and then resigning the office of Clerk of the Pells in Ireland |
15 November 1775 | Cornwall | u* | Sir John Molesworth | Edward Eliot | Death |
15 November 1775 | East Grinstead | u* | Lord George Germain | Lord George Germain | Secretary of State for the Colonies |
23 November 1775 | St Germans | u | Edward Eliot | John Pownall | Resignation to contest Cornwall |
24 November 1775 | Bath | u | John Smith | Sir John Sebright | Death |
28 November 1775 | Essex | u | John Conyers | William Harvey | Death |
29 November 1775 | Eye | u | John St John | John St John | Surveyor General of the Land Revenues of the Crown |
4 December 1775 | Newtown | u* | Sir John Barrington | Edward Meux Worsley | Resignation |
7 December 1775 | Westmorland | u* | Sir James Lowther | James Lowther | Chose to sit for Cumberland |
14 December 1775 | Ilchester | c | Peregrine Cust | Nathaniel Webb | Void Election |
William Innes | Owen Salusbury Brereton |
14 December 1775 | Peeblesshire | u | Adam Hay | Sir Robert Murray Keith | Death |
16 December 1775 | Stockbridge | c* | John Luttrell | James Luttrell | Resignation |
19 December 1775 | Richmond | u | Sir Lawrence Dundas | William Norton | Chose to sit for Edinburgh |
1 January 1776 | Hedon | c | Sir Charles Saunders | Lewis Thomas Watson | Death |
17 January 1776 | Ayr Burghs | u* | Sir George Macartney | Frederick Stuart | Resignation (Governor of Grenada) |
24 January 1776 | Fifeshire | c | John Scott | James Townsend Oswald | Death |
31 January 1776 | Huntingdon | u* | William Augustus Montagu | The Lord Mulgrave | Death |
19 February 1776 | Salisbury | u* | Viscount Folkestone | William Henry Bouverie | Succeeded to a peerage |
21 February 1776 | Berkshire | u* | Christopher Griffith | Winchcombe Henry Hartley | Death |
11 March 1776 | New Woodstock | u* | William Eden | William Eden | Lord of Trade |
26 March 1776 | Lancashire | u | Lord Stanley | Thomas Stanley | Succeeded to a peerage |
8 April 1776 | Tewkesbury | u* | Joseph Martin | James Martin | Death |
6 May 1776 | Gloucestershire | c* | Edward Southwell | William Bromley Chester | Succeeded to a peerage |
8 May 1776 | Norfolk | u* | Wenman Coke | Thomas William Coke | Death |
16 May 1776 | Hindon | c | Richard Smith | Richard Smith | Void Election |
Thomas Brand Hollis | Henry Dawkins |
17 May 1776 | Shaftesbury | c | Francis Sykes | George Rous | On Petition both incumbents were unseated and replaced by Hans Winthrop Mortimer. A by-election was held for the second seat. |
Sir Thomas Rumbold |
18 May 1776 | Portsmouth | u | Sir Edward Hawke | Maurice Suckling | Elevated to the peerage |
20 May 1776 | Bossiney | u* | Lord Mount Stuart | Charles Stuart | Elevated to the peerage |
20 May 1776 | Grantham | u | Sir Brownlow Cust | Peregrine Cust | Elevated to the peerage |
20 May 1776 | Tiverton | u* | Nathaniel Ryder | John Wilmot | Elevated to the peerage |
22 May 1776 | Herefordshire | c* | Thomas Foley | Thomas Harley | Elevated to the peerage |
29 May 1776 | Wareham | u | Christopher D'Oyly | Christopher D'Oyly | Commissary General of Musters |
31 May 1776 | St Germans | u | John Pownall | John Peachey | Resignation (Commissioner of Excise) |
16 July 1776 | Morpeth | u | William Byron | Gilbert Elliot | Death |
3 September 1776 | Devon | u | Sir Richard Bampfylde | John Rolle Walter | Death |
27 September 1776 | Leominster | u | Thomas Hill | Frederick Cornewall | Death |
28 October 1776 | Horsham | u | Jeremiah Dyson | The Earl of Drogheda | Death |
4 November 1776 | Camelford | u* | Francis Herne | Sir Ralph Payne | Death |
4 November 1776 | Haslemere | u | Thomas More Molyneux | Peter Burrell | Death |
6 November 1776 | Southampton | u | Hans Stanley | Hans Stanley | Cofferer of the Household |
7 November 1776 | Cambridge | c* | Charles Sloane Cadogan | Benjamin Keene | Succeeded to a peerage |
9 November 1776 | Exeter | c* | John Rolle Walter | John Baring | Resignation to contest Devon |
25 November 1776 | Sandwich | u | William Hey | Charles Brett | Resignation (Commissioner of Customs) |
28 November 1776 | Lostwithiel | u* | Charles Brett | Thomas Potter | Resignation to contest Sandwich |
17 December 1776 | Westminster | u | Earl Percy | Viscount Petersham | Succeeded to a peerage |
5 February 1777 | Hindon | c | Richard Smith | Archibald Macdonald | Void Election |
20 February 1777 | Morpeth | u | Sir Gilbert Elliot | John William Egerton | Resignation to contest Roxburghshire |
27 February 1777 | Roxburghshire | u* | Sir Gilbert Elliot | Sir Gilbert Elliot | Death |
4 March 1777 | Aldborough | u | Charles Wilkinson | William Baker | Resignation |
14 March 1777 | Edinburghshire | u* | Henry Dundas | Henry Dundas | Joint Keeper of the Signet |
27 March 1777 | Lanarkshire | u* | Andrew Stuart | Andrew Stuart | Joint Keeper of the Signet |
18 April 1777 | Nairnshire | u | Cosmo Gordon | John Campbell | Resignation (Baron of the Exchequer in Scotland) |
2 May 1777 | Boston | u* | Charles Amcotts | Humphrey Sibthorp | Death |
16 May 1777 | Maidstone | c | Lord Guernsey | Charles Finch | Succeeded to a peerage |
20 May 1777 | Rye | u* | Rose Fuller | William Dickinson | Death |
24 May 1777 | Castle Rising | u* | Charles Finch | John Chetwynd Talbot | Resignation to contest Maidstone |
29 May 1777 | Haddingtonshire | u | Sir George Suttie | William Hamilton Nisbet | Resignation |
11 June 1777 | Lyme Regis | u | Henry Fane | Francis Fane | Death |
11 June 1777 | Great Yarmouth | c* | Charles Townshend | Charles Townshend | Vice-Treasurer of Ireland |
13 June 1777 | Tamworth | u | Thomas de Grey | Thomas de Grey | Lord of Trade |
13 June 1777 | Weymouth and Melcombe Regis | u* | Welbore Ellis | Welbore Ellis | Treasurer of the Navy |
14 June 1777 | Wilton | u | Charles Herbert | Charles Herbert | Groom of the Bedchamber |
16 June 1777 | Camelford | u | Sir Ralph Payne | Sir Ralph Payne | Third Clerk Comptroller of the Green Cloth |
18 June 1777 | Bewdley | u* | The Lord Westcote | The Lord Westcote | Junior Lord of the Treasury |
26 June 1777 | Flint Boroughs | u | Sir John Glynne | Watkin Williams | Death |
4 July 1777 | Montgomery | u* | Whitshed Keene | Whitshed Keene | Resignation |
29 July 1777 | Radnorshire | u | Chase Price | Thomas Johnes | Death |
26 November 1777 | Portsmouth | c* | Peter Taylor | William Gordon | Death |
27 November 1777 | Droitwich | u* | Thomas Foley | Edward Winnington | Succeeded to a peerage |
29 November 1777 | Bath | u* | Abel Moysey | Abel Moysey | Second Justice of Brecon Circuit |
1 December 1777 | Midhurst | u | John Ord | John Ord | Attorney-General of the Duchy of Lancaster |
1 December 1777 | New Woodstock | u* | John Skynner | Viscount Parker | Resignation (Chief Baron of the Exchequer) |
10 December 1777 | Dunwich | u* | Miles Barne | Barne Barne | Resignation |
15 December 1777 | Huntingdon | u* | The Lord Mulgrave | The Lord Mulgrave | Lord of the Admiralty |
17 December 1777 | Hastings | u* | The Viscount Palmerston | The Viscount Palmerston | Junior Lord of the Treasury |
17 December 1777 | Newport (I.o.W.) | u* | Sir Richard Worsley | Sir Richard Worsley | Third Clerk Comptroller of the Green Cloth |
9 January 1778 | Anstruther Burghs | u | Philip Anstruther | George Damer | Resignation |
16 February 1778 | Bridgnorth | u* | The Lord Pigot | Hugh Pigot | Death |
24 February 1778 | East Retford | u* | William Hanger | Lord John Pelham Clinton | Resignation to contest Aldborough |
6 March 1778 | Aldborough | u | Abel Smith | William Hanger | Resignation |
23 April 1778 | Brecon | u* | Charles Van | Charles Gould | Death |
24 April 1778 | Harwich | u* | Edward Harvey | George Augustus North | Death |
27 May 1778 | Lostwithiel | u | Thomas Potter | Thomas Potter | Second Justice of Anglesey |
3 June 1778 | St Germans | u | Benjamin Langlois | Benjamin Langlois | Storekeeper of the Ordnance |
5 June 1778 | Plymouth | u | The Viscount Barrington | Viscount Lewisham | Resignation |
9 June 1778 | Banbury | u* | Lord North | Lord North | Lord Warden of the Cinque Ports |
10 June 1778 | Horsham | u* | James Wallace | James Wallace | Solicitor General for England and Wales |
10 June 1778 | Tamworth | u | Edward Thurlow | Anthony Chamier | Elevated to the peerage |
10 June 1778 | Weymouth and Melcombe Regis | u | John Tucker | Gabriel Steward | Resignation |
11 June 1778 | Okehampton | u | Alexander Wedderburn | Humphrey Minchin | Attorney General for England and Wales |
15 June 1778 | Bishop's Castle | u | Henry Strachey | Alexander Wedderburn | Clerk of the Deliveries of the Ordnance |
10 August 1778 | Portsmouth | u* | Maurice Suckling | Robert Monckton | Death |
1 October 1778 | Saltash | u | Charles Whitworth | Henry Strachey | Death |
9 October 1778 | Nottingham | u | Sir Charles Sedley | Abel Smith | Death |
4 December 1778 | Lymington | u | Sir Harry Burrard | Henry Goodricke | Resignation |
5 December 1778 | Callington | c* | John Dyke Acland | George Stratton | Death |
9 December 1778 | Nottinghamshire | u* | Earl of Lincoln | Charles Medows | Death |
22 December 1778 | Hastings | u | Charles Jenkinson | Charles Jenkinson | Secretary at War |
26 December 1778 | St Ives | u* | Adam Drummond | Philip Dehany | Resignation to contest Aberdeen Burghs |
1 January 1779 | Montgomery | u* | Whitshed Keene | Whitshed Keene | Surveyor of the King's Works |
11 January 1779 | Aberdeen Burghs | u* | Thomas Lyon | Adam Drummond | Resignation |
26 January 1779 | Newcastle-under-Lyme | u* | Sir George Hay | Viscount Trentham | Death |
9 February 1779 | Nottingham | u* | Abel Smith | Robert Smith | Death |
27 February 1779 | Scarborough | u* | Sir Hugh Palliser | Charles Phipps | Resignation |
1 March 1779 | Callington | c* | George Stratton | George Stratton | By-election results voided 15 February 1779 |
20 March 1779 | Westbury | u* | Nathaniel Bayly | Samuel Estwick | Resignation |
30 March 1779 | Aldeburgh | u* | Thomas Fonnereau | Martyn Fonnereau | Death |
31 March 1779 | Bishop's Castle | u* | George Clive | William Clive | Death |
8 April 1779 | Plympton Erle | u | The Lord Milford | William Fullarton | Resignation |
15 April 1779 | Berwickshire | u | Sir James Pringle | Sir John Paterson | Resignation |
20 April 1779 | Westminster | u | Viscount Petersham | Viscount Malden | Succeeded to a peerage |
29 April 1779 | Cricklade | u* | Arnold Nesbitt | John Macpherson | Death |
29 April 1779 | Elginshire | u* | Arthur Duff | Lord William Gordon | Resignation |
11 May 1779 | Essex | u* | William Harvey | Thomas Berney Bramston | Death |
10 June 1779 | Cambridge University | c* | Marquess of Granby | James Mansfield | Succeeded to a peerage |
15 June 1779 | Christchurch | u | Lord Hyde | Lord Hyde | Resignation to contest Cambridge University |
2 July 1779 | Fifeshire | c(*) | James Townsend Oswald | Robert Skene | Resignation (Auditor of the Exchequer in Scotland) |
Robert Skene | John Henderson | By-election results reversed on petition 7 February 1780 |
12 July 1779 | Liskeard | u | Edward Gibbon | Edward Gibbon | Lord of Trade |
12 July 1779 | Truro | u* | Bamber Gascoyne | Bamber Gascoyne | Lord of the Admiralty |
16 July 1779 | Edinburghshire | u* | Henry Dundas | Henry Dundas | Keeper of the Signet |
16 July 1779 | Linlithgowshire | u* | Sir William Cunynghame | Sir William Cunynghame | Third Clerk Comptroller of the Green Cloth |
23 July 1779 | Lanarkshire | u* | Andrew Stuart | Andrew Stuart | Lord of Trade |
2 September 1779 | Carmarthenshire | u* | George Rice | John Vaughan | Death |
8 September 1779 | Downton | u | John Cooper | Thomas Duncombe | Death |
22 September 1779 | Mitchell | u* | Thomas Howard | Francis Hale | Succeeded to a peerage |
25 October 1779 | Buckinghamshire | u* | George Grenville | Thomas Grenville | Succeeded to a peerage |
28 October 1779 | Middlesex | u | John Glynn | Thomas Wood | Death |
13 December 1779 | Hampshire | c* | Sir Simeon Stuart | Jervoise Clarke Jervoise | Death |
15 December 1779 | Lincolnshire | u* | Lord Brownlow Bertie | Sir John Thorold | Succeeded to a peerage |
16 December 1779 | Yarmouth | u | Jervoise Clarke Jervoise | Robert Kingsmill | Resignation to contest Hampshire |
17 December 1779 | Downton | c(*) | Thomas Duncombe | Bartholomew Bouverie | Death |
Bartholomew Bouverie | Robert Shafto | By-election results reversed on petition 21 February 1780 |
22 December 1779 | Oxfordshire | u* | Lord Charles Spencer | Lord Charles Spencer | Treasurer of the Chamber |
4 January 1780 | Devon | u* | John Rolle Walter | John Rolle | Death |
29 January 1780 | Southampton | u | Hans Stanley | John Fuller | Death |
1 February 1780 | Newport (I.o.W.) | u* | Sir Richard Worsley | Sir Richard Worsley | Comptroller of the Household |
5 February 1780 | Orford | u* | Viscount Beauchamp | Viscount Beauchamp | Cofferer of the Household |
15 February 1780 | Coventry | u | Walter Waring | John Baker Holroyd | Death |
22 February 1780 | Lancashire | u* | Thomas Stanley | Thomas Stanley | Death |
23 February 1780 | Haddington Burghs | u* | John Maitland | Francis Charteris | Death |
1 March 1780 | Cheshire | u* | Samuel Egerton | Sir Robert Salusbury Cotton | Death |
31 March 1780 | Weobley | u* | William Lynch | Andrew Bayntun Rolt | Resignation |
27 May 1780 | Maldon | u* | Richard Savage Nassau | Eliab Harvey | Death |
31 May 1780 | Plymouth | c* | Sir Charles Hardy | Sir Frederick Lehman Rogers | Death |
12 June 1780 | Cardigan Boroughs | u* | Thomas Johnes | John Campbell | Resignation to contest Radnorshire |
26 June 1780 | Bishop's Castle | u* | Alexander Wedderburn | Henry Strachey | Resignation (Chief Justice of the Common Pleas) |
12 July 1780 | Horsham | u* | James Wallace | James Wallace | Attorney General for England and Wales |
12 July 1780 | Saltash | u | Henry Strachey | Paul Wentworth | Resignation to contest Bishop's Castle |
26 July 1780 | Radnorshire | u* | Thomas Johnes | Thomas Johnes | Death |
21 August 1780 | Wigan | u* | John Morton | Henry Simpson Bridgeman | Death |