Date Member Constituency Party Reason for resignation 21 November 1763 Edward Southwell [ 1] Bridgwater To contest Gloucestershire 16 January 1765 William Hamilton [ 1] Midhurst Made Ambassador to the Two Sicilies 30 May 1765 Joseph Gulston [ 1] Poole Ill-health 23 December 1765 Verney Lovett [ 1] Wendover To allow Viscount Fermanagh to bring Edmund Burke into Parliament 15 May 1769 Charles Morgan [ 1] Brecon To contest Breconshire 20 May 1769 Alexander Wedderburn [ 1] Richmond (Yorks) To express support for John Wilkes 16 January 1770 William Clive [ 1] Bishop's Castle To return Wedderburn (above) to Parliament 31 January 1770 Thomas Anson [ 1] Lichfield To bring George Adams into Parliament 18 April 1770 James Grenville [ 1] Horsham Pressure from his brothers over his support for William Pitt 25 May 1770 Thomas Hutchings-Medlycott [ 1] Milborne Port To bring the Earl of Catherlough into Parliament 30 January 1771 Lord Robert Spencer [ 1] Woodstock To contest Oxford 15 May 1771 Hon. Edward Bouverie [ 1] Salisbury To bring Viscount Folkestone into Parliament 31 January 1772 John Morgan [ 1] Brecon To contest Monmouthshire 4 February 1772 Lord Archibald Hamilton [ 1] Lancashire 18 May 1772 Andrew Wilkinson [ 1] Aldborough To bring the Earl of Lincoln into Parliament 7 December 1772 Henry Herbert [ 1] Wilton To contest Wiltshire 28 December 1772 William Lemon [ 1] Penryn To contest Cornwall 16 April 1773 Nathaniel Lister [ 1] Clitheroe To bring Thomas Lister into Parliament 31 May 1774 Edward Foley [ 1] Droitwich To contest Worcestershire 31 December 1774 Henry Fownes-Luttrell [ 1] Minehead To allow the North Ministry to bring Thomas Pownall into Parliament 14 March 1775 Joseph Bullock [ 1] Wendover 20 April 1775 Middleton Onslow [ 1] Rye To bring Thomas Onslow into Parliament 24 April 1775 Harcourt Powell [ 1] Newtown Sold his electoral interest to Sir Richard Worsley 31 May 1775 Fletcher Norton [ 1] Carlisle Sir James Lowther , on whose interest he was elected, went into opposition against the North Ministry 9 November 1776 John Rolle Walter [ 1] Exeter To contest Devon 20 February 1777 Gilbert Elliot [ 1] Morpeth To contest Roxburghshire 29 May 1777 Sir George Suttie [ 1] Haddingtonshire To bring William Hamilton Nisbet into Parliament, by prearrangement 24 February 1778 William Hanger [ 1] East Retford To bring Lord John Pelham-Clinton into Parliament 11 January 1779 Thomas Lyon [ 1] Aberdeen Burghs 20 March 1779 Nathaniel Bayly [ 1] Westbury To attend to his business affairs in Jamaica 29 April 1779 Arthur Duff [ 1] Elginshire To bring Lord William Gordon into Parliament 12 June 1780 Thomas Johnes [ 1] Cardigan To contest Radnorshire 30 November 1780 Warren Lisle [ 1] Weymouth and Melcombe Regis 7 December 1780 Savile Finch [ 1] Malton 14 February 1781 The Lord Macartney [ 1] Bere Alston Appointed Governor of Madras 30 April 1781 William Chaffin Grove [ 1] Cardigan 8 June 1781 Edward Onslow [ 1] Aldborough Left England after making homosexual advances at a Royal Academy exhibition 30 June 1781 Philip Yorke [ 1] Helston 20 April 1782 John Parker [ 1] Clitheroe 15 July 1783 James Whitshed [ 1] Cirencester 23 November 1783 Sir Robert Clayton [ 1] Bletchingley 1 January 1784 Sir George Savile [ 1] Yorkshire 6 January 1784 John Pollexfen Bastard [ 1] Truro 20 January 1784 Charles Mellish [ 1] Aldborough Disagreement with the Duke of Newcastle 31 August 1784 James Hunter Blair [ 1] Edinburgh 22 April 1785 Andrew Bayntun [ 1] Weobley 3 February 1786 Chaloner Arcedeckne [ 1] Westbury 13 February 1786 John Grant [ 1] Fowey 1 April 1786 John Rogers [ 1] Helston 16 August 1786 Peter Johnston [ 1] Kirkcudbright Stewartry 29 January 1787 Sir Edward Dering [ 1] New Romney 4 June 1787 Edward Leeds [ 1] Reigate 23 December 1788 Charles Rainsford [ 1] Bere Alston 4 September 1789 Charles Edwin [ 1] Glamorganshire 4 January 1791 Thomas Clarke Jervoise [ 1] Yarmouth (Isle of Wight) 6 May 1791 William Morton Pitt [ 1] Dorset 18 May 1791 Richard Ford [ 2] [ 1] Appleby 26 August 1791 Sir Richard Worsley [ 1] Newtown 7 January 1793 Philip Yorke [ 1] Grantham 13 February 1793 The Viscount Melbourne [ 1] Newport (Isle of Wight) To bring his son Peniston Lamb into Parliament 6 March 1793 Brook Watson [ 1] City of London 3 February 1794 John Curtis [ 1] Steyning 15 February 1794 Augustus Rogers [ 1] Queenborough 17 February 1794 Sir Frederick Fletcher-Vane [ 1] Winchelsea 9 June 1794 John Walker-Heneage [ 1] Cricklade 12 July 1794 William Windham [ 1] Norwich 14 January 1795 Thomas Gilbert [ 1] Lichfield 21 February 1795 Viscount Garlies [ 1] Saltash 10 November 1795 Thomas Calvert [ 1] St Mawes 22 November 1796 John Buller [ 1] West Looe 13 December 1796 Richard Barwell [ 1] Winchelsea 14 June 1797 John Hunter [ 1] Leominster 29 July 1797 Sir George Thomas [ 1] Arundel 1 March 1799 Lord Robert Spencer [ 1] Wareham 28 July 1799 Sir John Mitford [ 1] Bere Alston 30 October 1799 Mark Singleton [ 1] Eye 29 April 1800 John Petrie [ 1] Gatton 22 May 1800 Alexander Hope [ 1] Dumfries Burghs 10 March 1801 Sir William Grant [ 1] Banffshire 6 July 1801 William Adams [ 1] Plympton Erle 14 December 1802 Samuel Haynes [ 1] Brackley 12 January 1803 John Hiley Addington [ 1] Bossiney 24 January 1803 James Dashwood [ 1] Gatton 25 February 1803 James Patrick Murray [ 1] Yarmouth (Isle of Wight) 18 July 1803 Ayscoghe Boucherett [ 1] Great Grimsby 22 August 1803 Charles Philip Yorke [ 1] Cambridgeshire 22 April 1805 Philip Dundas [ 1] Gatton 22 July 1805 James Graham [ 1] Cockermouth Tory 24 February 1806 The Viscount FitzWilliam [ 1] Wilton 6 March 1806 Philip Langmead [ 1] Plymouth 21 March 1806 George Peter Moore [ 1] Queenborough 20 January 1806 Sir Home Popham [ 1] Yarmouth (Isle of Wight) 24 February 1806 George Dundas [ 1] Richmond (Yorks) 1 August 1806 Viscount Proby [ 1] Buckingham 14 January 1807 Sir John Lethbridge [ 1] Minehead Tory 30 July 1807 Viscount Howick [ 1] Minehead Whig 30 January 1808 Godfrey Wentworth Wentworth [ 1] Tregony Whig 8 February 1808 Evan Foulkes [ 1] Tralee 22 April 1808 Scrope Bernard [ 1] St Mawes Tory 27 July 1808 Patrick Crawford Bruce [ 1] Dundalk 4 February 1809 Charles Harward Butler [ 1] Kilkenny City Whig 30 January 1810 Sir George Bowyer [ 1] Malmesbury Whig 13 July 1810 Henry Glassford [ 1] Dunbartonshire 21 January 1812 Lawrence Dundas [ 1] Richmond Whig 13 April 1812 William Dundas [ 1] Elgin Burghs 30 June 1812 Richard Hart Davis [ 1] Colchester Tory 22 December 1812 Magens Dorrien-Magens [ 1] Ludgershall Tory 13 February 1813 Richard Nevill [ 1] Wexford Borough 23 March 1813 Lord Henry FitzGerald [ 1] Kildare 10 November 1813 William Thornton [ 1] Woodstock 5 December 1814 Charles Trelawny-Brereton [ 1] Mitchell 21 July 1815 William Vane Powlett [ 1] Winchelsea 1 March 1816 Arthur Shakespeare [ 1] Portarlington 11 March 1816 Charles Buller [ 1] West Looe Tory 2 April 1816 Sir Thomas Winnington [ 1] Droitwich Whig 10 May 1816 Thomas Philipps Lamb [ 1] Rye 29 November 1820 Jonathan Elford [ 1] Westbury 11 February 1823 Sir Herbert Taylor [ 1] Windsor Tory 24 February 1823 John Poo Beresford [ 1] Coleraine Tory 11 March 1824 Ranald George Macdonald [ 1] Plympton Erle 6 April 1824 James Drummond [ 1] Perthshire 16 February 1826 William Morton Pitt [ 1] Dorset 19 December 1826 Henry Monteith [ 1] Saltash 6 April 1827 John Buller [ 1] West Looe Whig 20 April 1827 Augustus Frederick Ellis [ 1] Seaford Tory 2 March 1829 Sir Robert Inglis [ 1] Ripon Tory 6 March 1829 William Edward Tomline [ 1] Truro Tory 10 April 1830 William Ashley-Cooper [ 1] Dorchester 25 February 1831 Charles Arbuthnot [ 1] Ashburton Tory 4 April 1831 Henry Dundas [ 1] Winchelsea Tory 15 July 1831 Mathew Pennefather [ 1] Cashel Tory 6 October 1831 William Ponsonby [ 1] Poole 25 February 1832 Charles George James Arbuthnot [ 1] Tregony Tory 3 March 1834 Thomas Francis Kennedy [ 1] Ayr Burghs Whig 8 February 1837 Edward George Granville Howard [ 1] Morpeth Lib 24 January 1840 Sir Edward Codrington [ 1] Devonport Lib