- Apr 3 T. Pelham Dale, Anglican clergyman prosecuted for Ritualist practices in the 1870s, born in Greenwich (d. 1892)
Linus Yale Jr. (1821-1868)
Apr 4 American portrait painter and inventor (Yale cylinder lock), born in Salisbury, New York [1]
- Apr 9 Charles-Pierre Baudelaire, French poet and translator (Les Fleurs du mal), born in Paris, France (d. 1867)
- Apr 15 Joseph E. Brown, American attorney and politician (42nd Governor of Georgia), born in Pickens, South Carolina (d. 1894)
- Apr 16 Ford Madox Brown, British painter, born in Calais, France (d. 1893)
- Apr 19 Mortimer Dormer Leggett, American Major General (Union Army), born in Ithaca, New York (d. 1896)
- Apr 23 Pierre Dupont, French songwriter, born in Lyon, France (d. 1870)
Greatest Generation
Silent Generation
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