Editing 1840 (section)

=== July–December ===
[[File:10MaryPatterson1862.jpeg|thumb|110px|right|[[Mary Jane Patterson]]]]
[[File:Rodin-cropped.png|thumb|110px|right|[[Auguste Rodin]]]]
[[File:Claude Monet 1899 Nadar crop.jpg|thumb|110px|right|[[Claude Monet]]]]
* [[July 1]] – [[Edward Clodd]], English banker, writer and anthropologist (d. [[1930]])
* [[July 6]] – [[Peter Conover Hains]], major general in the United States Army and veteran of three wars (d. [[1921]])
* [[August 1]] – [[Franz Simandl]], Double bassist and pedagogue (d. [[1912]])
* [[August 4]] – [[Richard von Krafft-Ebing]], German sexologist (d. [[1902]])
* [[September 12]] – [[Mary Jane Patterson]], the first African-American woman to receive a B.A. degree in 1862. (d. [[1894]])
* [[September 22]] – [[D. M. Canright]], American Seventh-day Adventist minister and author, later one of the church's severest critics (d. [[1919]])
* [[September 25]] – [[William N. Roach]], American politician and member of the [[United States Senate]] from 1893 to 1899 (d. [[1902]])
* [[September 27]]
** [[Alfred Thayer Mahan]], United States Navy admiral, American geostrategist and historian (d. [[1914]])
** [[Thomas Nast]], American caricaturist, cartoonist (d. [[1902]])
* [[October 9]] – [[Simeon Solomon]], British artist (d. [[1905]])
* [[October 12]] – [[Helena Modjeska]], Polish stage actress (d. [[1909]])
* [[October 16]] – [[Kuroda Kiyotaka]], 2nd Prime Minister of Japan (d. [[1900]])
* [[November 7]] – [[H. G. Haugan]], Norwegian-born American railroad and banking executive (d. [[1921]])
* [[November 12]] – [[Auguste Rodin]], French sculptor (d. [[1917]])
* [[November 14]] – [[Claude Monet]], French painter (d. [[1926]])<ref>{{cite web |title=Claude Monet {{!}} Biography, Art, Water Lilies, Haystacks, Impression: Sunrise, & Facts {{!}} Britannica |url=https://www.britannica.com/biography/Claude-Monet |website=www.britannica.com |access-date=7 June 2022 |language=en}}</ref>
* [[November 21]] – [[Victoria, Princess Royal]] (d. [[1901]])
* [[November 29]] – [[Rhoda Broughton]], Welsh writer (d. [[1920]])
* [[December 17]] – [[Nozu Michitsura]], Japanese general (d. [[1908]])