– Antonio Maria Lorgna, Italian mathematician (b. 1735) June 30 – Abraham Yates Jr., American lawyer, civil servant from Albany (b. 1724) July–September July 8 John Mills, American soldier, officer (b. 1754) Adam Naruszewicz, Polish-Lithuanian nobleman (b. 1733) July 16 William Gerard Hamilton, English statesman (b. 1729) George Howard, British field marshal (b. 1718) July 17 – John Christopher Hartwick, Lutheran minister in Colonial America, founder of Hartwick College (b. 1714) July 20 – John Houstoun, American lawyer, statesman from Savannah (b. 1744) July 21 Robert Burns, Scottish poet (b. 1759) Philip Carteret, British naval officer, explorer in two circumnavigation expeditions (b. 1733) August 1 Robert Pigot, 2nd Baronet, British Army officer during the American Revolutionary War (b. 1720) Sir Robert Pigot, 2nd Baronet, British army officer (b. 1720) August 2 – Sarah Osborn, American writer (b. 1714) August 10 – Ignaz Anton von Indermauer, Austrian nobleman from Tyrol, Landvögte and Kreishauptmann of Vorarlberg (b. 1759) August 12 Richard Beckford, English member of parliament Mary Ann Wrighten, English singer, actress (b. 1751) August 25 – Isaac Parsons, American planter (b. 1752) August 31 – John McKinly, American physician, politician from Wilmington (b. 1721) September 1 – David Murray, 2nd Earl of Mansfield (b. 1727) September 7 – Henri François Lambert, brigadier general of the French revolutionary army (b. 1760) September 11 – Anna Barbara Gignoux, German industrialist (b. 1725) September 20 Juan José Elhuyar, Spanish chemist, mineralogist (b. 1754) Christian Febiger, American Revolutionary War commander (b. 1749) September 21 – François Séverin Marceau-Desgraviers, French revolutionary general (killed in battle) (b. 1769) September 27 – Jonathan Sewall, last British attorney general of Massachusetts (b. 1729) September 29 – Henry Hamilton, Anglo-Irish soldier, government official of the British Empire (b. c. 1734) October–December October 7 – Thomas Reid, religiously trained Scottish philosopher (b. 1710) October 10 – Juliana Maria of Brunswick-Wolfenbüttel (b. 1729) October 16 Antoine-Joseph Pernety, French writer (b. 1716) Victor Amadeus III of Sardinia (b. 1726) October 30 – Archibald Montgomerie, 11th Earl of Eglinton, Scottish general (b. 1726) November 8 – King Ang Eng of Cambodia (b. 1773) November 17 – Empress Catherine II of Russia (b. 1729) November 19 – Thomas Thynne, 1st Marquess of Bath (b. 1734) December 2 – Jean Charles Abbatucci, French general during the War of the First Coalition (b. 1771) December 5 – George Mason V, American planter, businessman (b. 1753) December 10