William Henry Harrison (1773-1841)
Feb 9 9th President of the United States (Whig: March 4-April 4, 1841), born in Charles City, Virginia
- Feb 22 Matthijs Ignatius van Bree, Belgian painter of historical subjects, born in Antwerp (d. 1839)
- Mar 16 Juan Ramón Balcarce, Argentine military leader and politician (d. 1836)
- Mar 26 Nathaniel Bowditch, American mathematician, astronomer and author (Marine Sextant), born in Salem, Province of Massachusetts Bay (d. 1838)
- Mar 28 Henri Gratien, Comte Bertrand, French general and engineer, born in Châteauroux, France (d. 1844)
- Apr 6 James Mill, Scottish philosopher and historian (History of British India), born in Angus, Scotland (d. 1836)
- Apr 9 Étienne Aignan, French writer, born in Beaugency, France (d. 1824
- Apr 22 Jean Victor de Constant Rebecque, Swiss-Dutch army leader, born in Genève, Republic of Geneva (d. 1850)
- Apr 24 Harman W. Muntinghe, Dutch lawyer and colonial director, born in Amsterdam (d. 1827)
- May 2 Henrik Steffens, Norwegian-German philosopher, born in Stavanger, Norway (d. 1845)
- May 3 Giuseppe Acerbi, Italian traveller and naturalist, born in Castel Goffredo, Milan, Italy (d. 1846)
- May 15 Clemens L Metternich, Austrian prince
- May 19 Arthur Aikin, English mineralogist (d. 1854)
- May 29 Princess Sophia of Gloucester, great-granddaughter of King George II of Great Britain and niece of King George III, born in Mayfair, Middlesex (d. 1844)
- May 31 Ludwig Tieck, German writer, born in Berlin (d. 1853)
- Jun 2 John Randolph [of Roanoke], American planter, Congressman (Virginia) and Minister to Russia, born in Cawsons, Virginia (d. 1833)
- Jun 3 Caspar Reinwardt, German Dutch biologist (Bogor Botanical Garden, Indonesia), born in Lüttringhausen (d. 1854)
- Jun 13 Thomas Young, British physician and physicist (light interference), born in Milverton, Somerset, England (d. 1829)
- Jul 13 Wilhelm Heinrich Wackenroder, German writer (Fantasies about Art), born in Berlin (d. 1798)
- Jul 23 Thomas Brisbane, British soldier, administrator and astronomer, born in Ayrshire, Scotland (d. 1860)
- Jul 27 Jakob Aall, Norwegian journalist and statesman, born in Porsgrunn, Norway (d. 1844)
Aimé Bonpland (1773-1858)
Aug 22 French explorer and botanist who traveled with Alexander von Humboldt, born in La Rochelle, France (birth date disputed)
- Aug 23 Jakob F. Fries, German philosopher, born in Barby, Germany (d. 1843)
- Sep 25 Agostino Bassi, Italian entomologist, born in Mairago, Italy (d. 1856)
- Oct 6 Louis-Philippe, King of France (1830-48), born in Palais Royal, Paris (d. 1850)
- Nov 21 Robert Brown, Scottish botanist (discovered 'Brownian Motion'), born in Montrose, Scotland (d. 1858)
- Nov 24 Shadrach Bond, American politician (1st Governor of Illinois, 1818 to 1822), born in Frederick, Maryland (d. 1832)
- Dec 27 George Cayley, English inventor who founded science of aerodynamics (built 1st glider to carry a person), born in Scarborough, England (d. 1854)