- Jan 10 Victor Emanuel I, king of Sardinia (1802-21), dies at 64
- Jan 24 Ercole Consalvi, Italian Roman Catholic Cardinal, dies at 66
- Jan 26 Théodore Géricault, French painter (b. 1791)
- Jan 29 Louise MC countess of Albany, Henegouws salon owner, dies at 71
- Feb 1 Maria Theresia von Paradis, composer, dies at 64
- Feb 8 Rhijnvis Feith, Dutch mayor/writer (Zwolle, Julia), dies at 71
- Feb 9 Anna Katharina Emmerick, Roman Catholic Augustinian Canoness Regular of Windesheim, Marian visionary, ecstatic and stigmatist, dies at 49
- Feb 21 Eugène de Beauharnais, stepson of NapoleonI (son of Alexandre de Beauharnais and Joséphine Tascher de la Pagerie), dies at 42
- Feb 22 John Davy, English composer, dies at 60
- Mar 3 Giovanni Battista Viotti, Italian violist/composer, dies at 70
- Mar 9 Jacobus J Cramer, priest of Holland/Zealand/Friesland, dies at 79
- Mar 12 Heinrich Carl Ebell, composer, dies at 48
- Mar 22 Johann Melchior Dreyer, composer, dies at 76
- Apr 15 Theodorus F van Capellen, Dutch vice-admiral (Algiers), dies at 61
- Apr 18 Edward Jones, Welsh harpist and composer, dies at 72
Lord Byron
Apr 19 Lord Byron [George Gordon Byron], British romantic poet (Childe Harold's Pilgrimage) , dies at 36
Lord Byron
- Apr 24 Herman Muntinghe, Dutch theologist (History of Mankind), dies at 71
- May 4 Joseph Joubert, French essayist and moralist (b. 1754)
- May 15 Alexander Campbell, composer, dies at 60
- May 26 Capel Lofft, English writer (b. 1751)
- Jun 14 Agustín de Betancourt, Spanish civil engineer (steam engines, hot air balloons), dies at 68
- Jun 16 Charles-François Lebrun, duc de Plaisance, Third Consul of France (b. 1739)
- Jun 18 Ferdinand III JJ-B, archduke of Austria/ruler of Toscane, dies at 55
- Jun 21 Étienne Aignan, French writer, dies at 51
Agustín de Iturbide
Jul 19 Agustín de Iturbide [crowned Agustin I], Mexican army general, politician and the 1st emperor of Mexico is executed by firing squad at 40
Agustín de Iturbide
Louis XVIII
Sep 16 Louis XVIII SX, earl of Province/king of France (1814-24), dies
Louis XVIII
- Sep 17 Giacomo Tritto, Italian composer, dies at 91
- Nov 30 Johann Georg Christoph Schetky, composer, dies at 87
- Dec 21 James Parkinson, English physician (First description of Parkinson's disease) and political activist, dies at 69
- Dec 25 Barbara Krudener, mystic visionary who renounced nobility, dies at 60
- Dec 25 Barbara Juliane, baroness von Krüdener, Baltic German religious mystic, author, and Pietist Lutheran theologian, dies at 60