- Mar 1 Joseph Hubert Reinkens, German Catholic bishop (d. 1896)
John Abbott (1821-1893)
Mar 12 3rd Prime Minister of Canada (Conservative: 1891-92), born in Saint-Andre, Quebec
- Mar 12 Luitpold von Bayern, Prince-regent of Bayern
- Mar 14 Jens Worsaae, Danish archaeologist, historian and politician, born in Vejle, Denmark (d. 1885)
- Mar 15 Eduard Heine, German mathematician (d. 1881)
- Mar 15 Johann Josef Loschmidt, Austrian scientist (d. 1895)
- Mar 15 William Milligan, Scottish theologian (d. 1892)
- Mar 16 Ernest Feydeau, French author (Georges Feydeau)
- Mar 19 Francis Barretto Spinola, American politician and Brigadier General (Union Army), born in Old Field, New York (d. 1891)
Richard Francis Burton (1821-1890)
Mar 19 English explorer and translator (Arabian Nights), born in Torquay, Devon
- Mar 19 William Allingham, Ballyshannon, County Donegal, Irish poet (The Fairies, Laurence Bloomfield in Ireland)
- Mar 23 Aleksej F Pisemski, Russian writer (Clodhopper)
- Mar 24 Elisa Felix [Rachel], tragedienne
- Mar 24 [George] Hector Tyndale, American Brevet Major General (Union Army), born in Philadelphia, Pennsylvania (d. 1880)
- Mar 26 Ernst Engel, German statistician and economist (Law of Engel), born in Dresden, Germany (d. 1896)
- Mar 29 Joshua Thomas Owen, British-American educator, politician, and Brigadier General (Union Army), born in Carmarthen, United Kingdom (d. 1887)