Editing 1830 (section)

== Deaths ==
=== January–June ===
[[File:Lord Swaminarayan writing the Shikshapatri.jpg|thumb|right|110px|[[Swaminarayan]]]]
[[File:George IV 1821 color.jpg|thumb|right|110px|[[George IV of the United Kingdom|George IV]]]]
* [[January 7]]
** [[Thomas Lawrence]], English painter (b. [[1769]])
** [[John Thomas Campbell|John Campbell]], Australian public servant and politician (b. [[1770]])
** [[Carlota Joaquina of Spain]], [[Queen consort of Portugal]] (b. [[1775]])
* [[January 19]] – [[Johann Schweighäuser]], German classical scholar (b. [[1742]])
* [[January 25]] – [[Benito de Soto]], [[Galicia (Spain)|Galicia]]n pirate, executed (b. [[1805]])
* [[January 26]] – [[Filippo Castagna]], Maltese politician (b. [[1765]])<ref>{{cite book |last1=Schiavone |first1=Michael J. |title=Dictionary of Maltese Biographies Vol. 1 A–F |date=2009 |publisher=Pubblikazzjonijiet Indipendenza |location=[[Pietà, Malta|Pietà]] |isbn=9789993291329 |pages=546–547}}</ref>
* [[February 2]] – [[Manoel da Costa Ataíde]], Brazilian painter (b. [[1762]])
* [[February 22]] – [[William Badger (shipbuilder)|William Badger]], master shipbuilder (b. [[1752]])
* [[February 23]] – [[Jean-Pierre Norblin de La Gourdaine]] (Jan Piotr Norblin), French-born Polish painter (b. [[1740]])
* [[March 2]] – [[Samuel Thomas von Sömmerring]], German physician, anatomist (b. [[1755]])
* [[March 7]] – [[Jacques Villeré]], first Creole governor of Louisiana (b. [[1761]])
* [[March 16]] – [[Robert Townsend Farquhar|Sir Robert Farquhar]], British merchant, colonial governor and politician (b. [[1776]])
* [[March 17]] – [[Laurent de Gouvion Saint-Cyr]], French marshal (b. [[1764]])
* [[April 14]] – [[Erike Kirstine Kolstad]], Norwegian actress (b. [[1792]])
* [[June 1]] – [[Swaminarayan]] (Sahajanand Swami), Indian yogi, central figure in Swaminarayan Hinduism (b. [[1781]])
* [[June 4]] – [[Antonio José de Sucre]], Venezuelan revolutionary leader, statesman (b. [[1795]])
* [[June 26]] – King [[George IV of the United Kingdom]] (b. [[1762]])

=== July–December ===
[[File:William Hazlitt self-portrait (1802).jpg|thumb|right|110px|[[William Hazlitt]]]]
* [[August 6]] – [[David Walker (abolitionist)|David Walker]], African-American abolitionist (b. [[1796]])
* [[August 24]] – [[Louis Pierre Vieillot]], French ornithologist (b. [[1748]])
* [[September 18]] – [[William Hazlitt]], English essayist (b. [[1778]])
* [[September 23]]
** [[Alice Flowerdew]], British teacher, poet, and hymnwriter, (b. [[1759]])
** [[Elizabeth Monroe]], [[First Lady of the United States]] (b. [[1768]])
* [[October 4]] – [[Ludwig Yorck von Wartenburg]], Prussian military leader (b. [[1759]])
* [[October 5]] – [[Dinicu Golescu]], Romanian writer (b. [[1777]])
* [[October 11]] – [[José de La Mar]], military leader, President of Peru (b. 1776)<ref>{{Cite book|last=Basadre |first=Jorge |year=2005 |orig-year=First published 1939 |title=Historia de la República del Perú (1822 - 1933) |volume=1 |page=296 |edition=9th |language=es |trans-title=History of the Republic of Peru (1822 - 1933) |location=Lima |publisher=El Comercio |isbn=978-612-306-354-2}}
</ref>
* [[October 31]] – [[Petar I Petrović-Njegoš]], ruler of Montenegro (b. [[1747]])
* [[November 8]] – [[Francis I of the Two Sicilies]] (b. [[1777]])
* [[November 18]] – [[Adam Weishaupt]], German philosopher (b. [[1748]])
* [[November 30]] – [[Pope Pius VIII]], Italian pontiff (b. [[1761]])
* [[December 6]] – [[Morton Eden, 1st Baron Henley]], British diplomat (b. [[1752]])
* [[December 8]] – [[Benjamin Constant]], Swiss writer (b. [[1767]])
* [[December 17]] – [[Simón Bolívar]], Venezuelan revolutionary leader, statesman (b. [[1783]])

=== Date unknown ===
* [[Temerl Bergson]], Polish Jewish businesswoman, philanthropist
* [[Clelia Durazzo Grimaldi]], Italian botanist  (b. [[1760]])