- Mar 6 Jan Kops, Dutch agronomist/vicar
- Mar 7 Nicéphore Niépce, French inventor of photography (d. 1833)
- Mar 18 David H Chasse, Dutch baron/general (fought Napoleon at Waterloo)
- Mar 21 Henry Fagel, Dutch/English baron/diplomat
- Mar 27 Franz Xaver von Baader, German philosopher and theologist, born in Munich (d. 1841)
- Apr 1 Luigi Schiavonetti, Italian engraver (d. 1810)
- Apr 28 Sylvestre François Lacroix, French mathematician, born in Paris (d. 1843)
- Jun 1 Christiane Vulpius, wife of Johann Wolfgang von Goethe
- Jun 5 Johann Gottlieb Friedrich von Bohnenberger, German mathematician, born in Simmozheim (d. 1831)
- Jun 6 Cornelis Loots, Dutch accountant and poet (Dwingelandij), born in Amsterdam, Netherlands (d. 1834)
- Aug 21 William IV, King of the United Kingdom of Great Britain and Ireland (1830-37), born in Buckingham House, London (d. 1837)
- Sep 18 Gregory XVI [Bartolomeo Alberto Mauro Cappellari], Pope (1831-1846), born in Belluno, Venetia, Austrian Empire (d. 1846)
- Sep 22 Paolo Ruffini, Italian mathematician (d. 1822)
- Sep 30 José María Morelos, Mexican revolutionary (d. 1815)
- Oct 8 Harman Blennerhassett, Irish lawyer, born in Hampshire, England (d. 1831)
- Nov 4 Pierre-Simon Girard, French mathematician and engineer (fluid mechanics), born in Caen, France (d. 1836)
Robert Fulton (1765-1815)
Nov 14 American inventor and engineer (first commercial steamboat), born in Little Britain, Pennsylvania
Eli Whitney (1765-1825)
Dec 8 American inventor (Cotton Gin), born in Westborough, Massachusetts
