- Jan 12 Joseph A Koch, Aust painter/cartoonist/etcher/illustrator, dies at 70
- Jan 19 Georg Abraham Schneider, German horn player and composer, dies at 68
- Feb 1 Giuseppe Valadier, Italian architect/archaeologist, dies at 76
- Feb 7 Karl August Nicander, Swedish poet (b. 1799)
- Feb 15 Chevalier de Lorimier, Quebec notary (b. 1803)
- Feb 26 Sybil Ludington, American revolutionary heroine (rode to alert militia), dies at 77
- Mar 4 Ignace Antoine Ladurner, pianist/composer, dies at 72
- Mar 13 Robert Gallenberg, composer, dies at 55
- Mar 29 Bernardus Johannes Dibbets, Dutch baron and general-major (Maastricht), dies at 56
- Apr 1 Benjamin Pierce, American politician (b. 1757)
- Apr 11 John Galt, Scottish novelist (Annals of the Parish), dies at 59
- Apr 20 Giuseppe Rossini, father of Italian composer Gioacchino Rossini, dies
- Apr 22 Denis Davydov, Russian general and poet, dies at 54
- Apr 23 Jacques Félix Emmanuel Hamelin, French explorer, dies at 70
- May 3 Ferdinando Paer, composer, dies at 67
- May 13 Israel Ashkenazi of Shklov, found Ashkenazic community (1815), dies
- May 13 Joseph Fesch, French cardinal/war commission/earl/senator, dies
- May 17 Archibald Alison, Scottish author (b. 1757)
- May 18 Carolina [Maria A] Bonaparte (countess Lipona), dies at 57
- Jun 2 Wijnand Nuijen, Dutch romantic painter and lithographer (Wrecked), dies at 26
- Jun 9 Gerrit J Pijman, Dutch minister of War (1798-1800), dies at 89
- Jun 10 Nathaniel Pryor, sgt of Lewis & Clark Expedition, dies
- Jun 13 Martin-Pierre Dalvimare, French musician and composer, dies at 66
- Jun 15 Hans Skramstad, composer, dies at 41
- Jun 27 Ranjit Singh, gov of Lahore, dies
- Jun 30 Johan O Wallin, Swedish poet/archbishop (Dead Angel), dies
- Jul 1 Mahmud II, Sultan of Turkey (1808-39), dies at 53
- Jul 10 Fernando Joseph Maria Sor, composer, dies at 61
- Jul 12 Christian Traugott Tag, composer, dies at 62
- Jul 15 Winthrop Mackworth Praed, English politician and poet, dies at 36
- Jul 29 Gaspard de Prony, French mathematician (b. 1755)
- Aug 3 Dorothea von Schlegel, German novelist (Florentin), dies at 74
- Aug 10 John St Aubyn, British fossil collector (b. 1758)
- Aug 23 Charles Philippe Lafont, composer, dies at 57
- Aug 28 William Smith, English geologist (b. 1769)
- Sep 10 Pieter Fontijn, Dutch painter, dies at 66
- Sep 20 Jose Gaspar de Francia, dictator of Paraguay (1816-39), dies at 74
- Sep 21 Jacob Gottfried Weber, German composer, dies at 60
- Oct 11 Leonor de Almeida marquesa de Alorna, Portuguese poet, dies at 88
- Oct 18 French Jozef Kinsoen, Flemish portrait painter, dies at 68
- Nov 6 Hayim Rapoport, Rabbi of Ostrowiec/author (Maxim Chayyim), dies
- Dec 3 Frederik VI, king of Denmark (1808-39)/Norway (1803-14), dies at 71
- Dec 7 Jan Matyas Nepomuk August Vitasek, composer, dies at 69
- Dec 15 Matthijs I van Bree, Flemish court-painter, dies at 66
- Dec 18 Charles-Henri Plantade, French composer, dies at 75
- Dec 18 Jean-Baptiste Lamarck, French naturalist (Lamarckian evolution), dies at 85