Editing 1827 (section)

=== January–June ===
[[File:Joseph Lister 1902.jpg|110px|thumb|[[Joseph Lister]]]]
[[File:Ramon Emeterio Betances sitting.jpg|110px|thumb|[[Ramón Emeterio Betances]]]]
* [[January 7]] – Sir [[Sandford Fleming]], Scottish-Canadian engineer, inventor (d. [[1915]])
* [[January 10]] – [[Amanda Cajander]], Finnish medical reformer (d. [[1871]])<ref>{{cite web |title=Hautausmaita |website=Hautausmaita |url=http://haudat.genealogia.fi/php/haudat1f.php?coun=fi&lang=fi&code=163&id=20242 |language=fi |access-date=24 May 2021 |archive-date=May 24, 2021 |archive-url=https://web.archive.org/web/20210524153835/http://haudat.genealogia.fi/php/haudat1f.php?coun=fi&lang=fi&code=163&id=20242 |url-status=dead }}</ref>
* [[January 28]] – [[Jean Antoine Villemin]], French physician (d. [[1892]])
* [[February 17]] – [[Elisabeth Blomqvist]], Swedish-Finnish educator, feminist (d. [[1901]])
* [[March 7]] – [[John Hall Gladstone]], English chemist (d. [[1902]])
* [[March 8]] – [[Wilhelm Bleek]], German linguist (d. [[1875]])
* [[March 25]] – [[Stephen Luce]], American admiral (d. [[1917]])
* [[April 2]] – [[William Holman Hunt]], British Pre-Raphaelite painter (d. [[1910]])
* [[April 5]] – [[Joseph Lister, 1st Baron Lister|Joseph Lister]], English surgeon, medical pioneer (d. [[1912]])
* [[April 8]] – [[Ramón Emeterio Betances]], Puerto Rican politician, medical doctor and diplomat (d. [[1898]])
* [[May 11]] – [[Jean-Baptiste Carpeaux]], French sculptor, painter (d. [[1875]])
* [[May 19]] – [[Paul-Armand Challemel-Lacour]], French statesman (d. [[1896]])
* [[May 21]] – [[William P. Sprague]], American politician from Ohio (d. [[1899]])
* [[May 27]] – [[Samuel F. Miller (US politician)|Samuel F. Miller]], American politician (d. [[1892]])
* [[May 31]] – [[Frederic Thesiger, 2nd Baron Chelmsford]], British general (d. [[1905]])
* [[June 11]] – [[Natalie Zahle]], Danish educator, women's rights activist (d. [[1913]])
* [[June 12]] – [[Johanna Spyri]], Swiss author (d. [[1901]])
* [[June 13]] – [[Alberto Henschel]], German-Brazilian photographer, businessman (d. [[1882]])
* [[June 24]] – [[Louis Brière de l'Isle]], French general (d. [[1897]])
* [[June 26]] – [[Amédée Courbet]], French admiral (d. [[1885]])