Editing 1839 (section)

=== January–June ===
[[File:JohnGraham-TheRajahofMadras-c1828.jpg|thumb|110px|[[William Farquhar]]]]
* [[January 6]] – [[Princess Marie of Orléans (1813–1839)|Princess Marie of Orléans]], French princess, artist, and duchess (b. [[1813]])
* [[January 7]] – [[Jacquette Löwenhielm]], Swedish noble, [[lady-in-waiting]], and [[Mistress (lover)|mistress]] of [[Oscar I of Sweden]] (b. [[1797]])
* [[January 12]]  
** [[Edward Coleman (gangster)|Edward Coleman]], gangster and founder of the [[Forty Thieves (New York gang)|Forty Thieves]] 
** [[Joseph Anton Koch]], Austrian painter (b. [[1768]])
* [[January 14]] – [[John Wesley Jarvis]], American painter (b. [[1780]]/[[1781]])
* [[January 24]] – [[Michele Cachia]], Maltese architect, military engineer (b. [[1760]])
* [[January 28]] – [[William Beechey]], British portraitist (b. [[1753]])
* [[February 7]] – [[Karl August Nicander]], Swedish poet (b. [[1799]])
* [[February 8]] – [[William Williams (Weymouth MP)|William Williams]], English politician (b. [[1774]])
* [[February 10]] – [[Pedro Romero]], Spanish [[torero]] (b. [[1754]])
* [[February 12]] – [[Moulvi Syed Qudratullah]], Bengali judge (b. [[1750]])<ref>{{cite news|url=http://www.mkantho.com/%E0%A6%AE%E0%A7%8C%E0%A6%B2%E0%A6%AD%E0%A7%80-%E0%A6%B8%E0%A7%88%E0%A6%AF%E0%A6%BC%E0%A6%A6-%E0%A6%95%E0%A7%81%E0%A6%A6%E0%A6%B0%E0%A6%A4-%E0%A6%89%E0%A6%B2%E0%A7%8D%E0%A6%B2%E0%A6%BE%E0%A6%B9/|language=bn|website=MKantho|script-title=bn:মৌলভী সৈয়দ কুদরত উল্লাহ'র ১৮০ তম মৃত্যুবার্ষিকী আজ|date=12 February 2019|access-date=January 10, 2022|archive-date=February 16, 2019|archive-url=https://web.archive.org/web/20190216053249/http://www.mkantho.com/%E0%A6%AE%E0%A7%8C%E0%A6%B2%E0%A6%AD%E0%A7%80-%E0%A6%B8%E0%A7%88%E0%A6%AF%E0%A6%BC%E0%A6%A6-%E0%A6%95%E0%A7%81%E0%A6%A6%E0%A6%B0%E0%A6%A4-%E0%A6%89%E0%A6%B2%E0%A7%8D%E0%A6%B2%E0%A6%BE%E0%A6%B9/|url-status=dead}}</ref>
* [[February 26]] – [[Sybil Ludington]], alleged heroine during the [[American Revolutionary War]] (b. [[1761]])
* [[March 2]] – [[Charlotte Napoléone Bonaparte]], niece of [[Napoleon I of France]] (b. [[1802]])
* [[March 19]] – [[Rachel Plummer]], American writer, daughter of [[James W. Parker]], and the cousin of [[Quanah Parker]] (b. [[1819]])
* [[March 20]] – [[Caspar Voght]], German businessman (b. [[1752]])
* [[March 28]] – [[Giuseppe Siboni]], Italian operatic [[tenor]], [[opera director]], [[choir]] [[Conducting|conductor]], and [[voice teacher]] (b. [[1780]])
* [[April 1]] – [[Benjamin Pierce (governor)|Benjamin Pierce]], American politician (b. [[1757]])
* [[April 2]] – [[Hezekiah Niles]], American editor, publisher (b. [[1777]])
* [[April 4]] – Queen [[Kaahumanu II]] of Hawaii
* [[April 5]] – [[John Tipton]], American politician (b. [[1786]]) 
* [[April 8]] – [[Du Pré Alexander, 2nd Earl of Caledon|Du Pré Alexander]], Irish peer, landlord and colonial administrator (b. [[1777]])
* [[April 11]] – [[John Galt (novelist)|John Galt]], [[List of Scottish novelists|Scottish novelist]] (b. [[1779]])
* [[April 15]] – [[Christoph August Gabler]], German classical composer (b. 1767)
* [[April 22]]
** [[Denis Davydov]], Russian general, poet (b. [[1784]])
** [[Samuel Smith (Maryland politician)]], American politician (b. [[1752]])
** [[Pär Aron Borg]], [[Swedish language|Swedish]] educator and a pioneer in the education for the [[Blindness|blind]] and [[deaf]] (b. 1776)
* [[May 3]] 
** [[Pehr Henrik Ling]], pioneer of physical education in [[Sweden]] (b. [[1776]])
** [[José Antonio Mexía]], 19th-century Mexican general and politician (b. [[1800]])
* [[May 6]] – [[John Batman]], Australian [[Pastoral farming|grazier]], entrepreneur, and explorer (b. [[1801]])
* [[May 11]]
** [[Thomas Cooper (American politician, born 1759)|Thomas Cooper]], American political philosopher (b. [[1759]])
** [[William Farquhar]], First British Resident and Commandant of colonial Singapore (b. [[1774]])
** [[Thomas Cooper (American politician, born 1759)|Thomas Cooper]], [[Anglo-Americans|Anglo-American]] economist, college president, and political philosopher (b. 1759)
* [[May 16]] – [[Edward Clive, 1st Earl of Powis|Edward Clive]], British politician who sat in the [[House of Commons]] (b. [[1754]])
* [[May 17]] – [[Archibald Alison (author)|Archibald Alison]], Scottish author (b. [[1757]])
* [[May 24]] – [[Anna Pak Agi]], [[Korean Martyrs|Korean Martyr]] (b. [[1782]])
* [[May 27]] – [[Barbara Yi]], [[Korean Martyrs|Korean Martyr]] (b. [[1825]])
* [[June 10]] – [[Jacob Munch]], Norwegian military officer and painter (b. 1776)
* [[June 19]] – [[Joseph Paelinck]], painter from the [[Southern Netherlands]] (b. [[1781]])
* [[June 23]] – [[Lady Hester Stanhope]], English archaeologist (b. [[1776]])
* [[June 27]] 
** [[Ranjit Singh]], Maharaja of The Punjab ([[Sikh Empire]]) (b. [[1780]])<ref name="Alexander Gardner">{{cite book|last=Gardner|first=Alexander|title=Memoirs Of Alexander Gardner - Colonel of Artillery in the Service of Maharaja Ranjit Singh|url=http://apnaorg.com/books/gardner/gardner.php?fldr=book&page=244|publisher=William Blackwood & Sons|page=211|chapter=XII}}</ref>
** [[Allan Cunningham (botanist)|Allan Cunningham]], English [[Botany|botanist]] and [[List of explorers|explorer]] (b. 1791)
* [[June 30]] – [[Johan Olof Wallin]], Swedish minister, [[orator]], poet and later [[Archbishop]] (b. [[1779]])