- Jan 4 Ferdinand I, King of Sicily/Naples (Ferdinand IV), dies at 73
Eli Whitney (1765-1825)
Jan 8 American inventor (Cotton Gin), dies of prostate cancer at 59
- Jan 14 George Dance the Younger, English architect (b. 1741)
- Feb 5 Pierre Gaveaux, French composer, dies at 64
- Feb 6 William Eustis, 12th Governor of Massachusetts (1823-25), dies at 71
- Feb 10 Paul van Hemert, Dutch theologist and philosopher (Kant), dies at 68
- Feb 16 Georg Gerson, Danish composer, dies at 34
- Feb 24 Thomas Bowdler, British physician and writer (Family Shakespeare), dies at 70
- Mar 4 Raphaelle Peale, American painter (After the Rain, 1823), dies at 51
- Mar 9 Anna Laetitia Barbauld, English poet and writer of hymns (Life! I Know Not What Thou Art), dies at 81
- Mar 24 Giovanni Domenico Perotti, Italian composer, dies at 64
- Mar 25 Rutger Jan Schimmelpenninck, Dutch politician (Grand Pensionary of Batavia), dies at 63
- Apr 6 Vladimir Borovikovsky [Vоlоdymyr Borovyk], Russian painter, died at 67
- Apr 10 Paul-Louis Courier, (de Mere), French classical scholar and pamphleteer, dies at 53
- Apr 13 Joseph Gelinek, Czech composer, dies at 66
- Apr 16 Henry Fuseli, Swiss-born painter and art writer (Tracks in the Snow), dies at 84
- Apr 21 Johann Friedrich Pfaff, German mathemattician (b. 1765)
Antonio Salieri (1750-1825)
May 7 Italian composer (Tarare; La Fiera), opera director (Habsburg Court, 1774-92), and Kapellmeister (Austrian Imperial Court, 1788-1824), dies in Vienna at 74
- May 12 Elias Mann, American composer, dies at 75
- May 12 Stanislao Mattei, Italian composer, teacher, musicologist, and monk dies at 75
- May 19 Claude Henri de Rouvroy, Comte de Saint-Simon, French political philosopher (b. 1760)
- May 20 Papaflessas, Greek priest and government official (b. 1788)
- May 22 Domenico Corri, Italian composer, dies at 80
- May 23 Ras Gugsa of Yejju, Regent of the Emperor of Ethiopia
- Jun 4 Ferdinand I, King of Sicily/Naples (Ferdinand IV), dies
- Jun 5 Odysseas Androutsos, hero in the Greek War of Independence (Chani of Gravia,), executed for supposedly collaborating with the Ottomans at 37
- Jun 9 Pauline Bonaparte, Corsican duchess of Parma and Guastalla, sister of Napoleon Bonaparte, dies at 44
- Jun 11 Daniel D. Tompkins, American politician, 6th US Vice President (1817-25), dies at 50
- Jun 13 Johann Peter Melchior, German sculptor, dies at 82
Pierre Charles L'Enfant (1754-1825)
Jun 14 French-born American architect who laid out Washington, D.C., dies at 70
- Jul 11 Thomas P. Grosvenor, American Revolutionary War soldier (b. 1744)
- Jul 20 Joseph-Denis Doche, French composer, dies at 58
- Jul 29 Micah Hawkins, American poet and composer, dies at 48
- Aug 3 Ambrogio Minoja, Italian classical composer, dies at 72
- Aug 20 Richard Wainwright, composer and church organist, dies at 68
- Aug 20 William Waldegrave, 1st Baron Radstock, Governor of Newfoundland, dies at 72
- Aug 23 Amos Bull, American hymn composer, dies at 81
- Sep 25 Joachim Heer, Swiss politician (b. 1879)
- Sep 29 Daniel Shays, American officer in the American Revolution and leader of Shay's Rebellion, dies
- Oct 10 Dmitry Stepanovich Bortniansky, Russian-Ukrainian harpsichordist and composer (Tantum Ergo), dies at 73
- Oct 13 Maximilian I Joseph, King of Bavaria, dies at 69
- Oct 17 Peter Winter, German composer, dies at 71
- Nov 1 Rodrigo Ferreira da Costa, composer, dies at 49
- Nov 14 Jean Paul, writer, dies at 62
- Nov 19 Jan Václav Voříšek, Czech pianist, organist, and composer, dies of respiratory arrest at 34
- Nov 22 Anne Bailey (née Herris), British-American revolutionary war scout and messenger, and pioneer woman, known as 'Mad Anne", dies at 85