educationalist, founder of Madras College, India (b. 1753) February 2 – Ignacio López Rayón, leader of the Mexican War of Independence (b. 1773) February 3 – George Crabbe, English poet and naturalist (b. 1754) March 4 – Jean-François Champollion, French Egyptologist (b. 1790) March 10 – Muzio Clementi, Italian composer and pianist (b. 1752) March 15 – Otto Wilhelm Masing, Estonian linguist (b. 1763) March 22 – Johann Wolfgang von Goethe, German writer (b. 1749) March 29 – Maria Theresa of Austria-Este, Queen of Sardinia (b. 1773) April 3 – Jean Baptiste Gay, vicomte de Martignac, Prime Minister of France (b. 1778) April 12 – Shadrach Bond, American politician and the first governor of Illinois (b. 1773) April 18 – Jeanne-Elisabeth Chaudet, French painter (b. 1761) May 13 – Georges Cuvier, French zoologist (b. 1769) May 23 – William Grant, British lawyer, politician and judge (b. 1752) May 28 – Nicolas Bergasse, French lawyer (b. 1750) May 31 – Évariste Galois, French mathematician (b. 1811) June 1 – Jean Maximilien Lamarque, French general and politician (b. 1770) June 5 – Kaʻahumanu, queen consort of Hawaii (b. 1768) June 6 – Jeremy Bentham, English philosopher (b. 1748) June 10 – Joseph Hiester, American politician (b. 1752) June 21 – Princess Amalie of Hesse-Darmstadt (b. 1754) June 23 – James Hall, Scottish geologist (b. 1761) July–December July 22 – Napoleon II of France (b. 1811) July 31 – Edward Abbott, Australian soldier, politician and judge (b. 1766) August 24 – Nicolas Léonard Sadi Carnot, French military engineer and physicist (b. 1796) September 1 – Joseph Kinghorn, Particular Baptist Minister (b. 1766) September 2 – Franz Xaver von Zach, Austrian scientific editor and astronomer (b. 1754) September 21 – Sir Walter Scott, Scottish poet and novelist (b. 1771) September 27 – Karl Christian Friedrich Krause, German philosopher (b. 1781) October 11 – Thomas Hardy, British political reformer (b. 1752) October 31 – Antonio Scarpa, Italian anatomist (b. 1752) November 8 – Marie-Jeanne de Lalande, French astronomer and mathematician (b. 1768) November 12 Henry Eckford, Scottish-born American shipbuilder, naval architect, industrial engineer, and entrepreneur (b. 1775) Barnaba Oriani, Italian priest (b. 1752) November 14 – Charles Carroll of Carrollton, signer of the United States Declaration of Independence and U.S. Senator (b. 1737) November 15 – Jean-Baptiste Say, French economist, originator of Say's law (b. 1767) December 18 – Philip Freneau, American poet and journalist