1777) 5 February – Dorothy Kilner, children's author (born 1755) 15 February – John Gillies, historian and classical scholar (born 1747) 21 February – William Van Mildert, last Prince-bishop of Durham and founder of Durham University (born 1765) 22 February – John Clarke Whitfield, organist and composer (born 1770) 27 February – Elizabeth Whitlock, actress (born 1761) 14 March – John Mayne, Scottish-born poet (born 1759) 31 March – Edward Southwell Ruthven, Irish politician and MP (born c. 1772) 3 April – Jeremy Lister, British Army officer (born 1752) 7 April – William Godwin, journalist, political philosopher and novelist (born 1756) 20 April – Jemmy Wood, banker and miser, "the richest commoner in His Majesty's dominions" (born 1756) 13 May – Sir Charles Wilkins, orientalist and typographer (born 1749) 28 May – George Gordon, 5th Duke of Gordon, nobleman, soldier and politician (born 1770) June – Cesar Picton, slave turned businessman (born c. 1755 in Senegal) 23 June – James Mill, historian, economist, political theorist, and philosopher (born 1773) 18 July – James Henry Keith Stewart, Member of Parliament (born 1783) 28 July – Nathan Mayer Rothschild, financier (born 1777 in Frankfurt am Main) 20 August – Agnes Bulmer, poet (born 1775) 21 August Edward Turner Bennett, zoologist and writer (born 1797) William Cusac Smith, Baronet, judge (born 1766) 25 August – William Elford Leach, zoologist and marine biologist (born 1791) September – Theresa Berkley, dominatrix and brothel keeper (year of birth unknown) 2 September – William Henry, chemist (born 1775) 3 September – Daniel Mendoza, boxer (born 1764) 6 September – Louisa Gurney Hoare, diarist and writer on education (born 1784) 7 September – John Pond, astronomer (born 1767) 21 September – John Stafford Smith, composer, church organist and early musicologist (born 1750) 3 October – James Blaikie, Lord Provost of Aberdeen (born 1786) 6 October – William Marsden, orientalist (born 1754) 11 October – William Knighton, Private Secretary to the Sovereign (born 1776) 17 October – George Colman the Younger, dramatist (born 1762) 31 October – John Marshall, politician (born 1797) 13 November – Charles Simeon, clergyman (born 1759) 26 November – John Loudon McAdam, engineer and road-builder (born 1756) 4 December – Richard Westall, painter (born 1765) 17 December – John Rippon, Baptist minister (born 1751) 30 December – James Graham, 3rd Duke of Montrose, nobleman and statesman (born 1755) Unknown dates William Dawes, Royal Marine officer