- Apr 1 Marie Jungius, Dutch fairy tale writer and feminist (d. 1908)
- Apr 9 Sebastian Ziani de Ferranti, English electrical engineer and inventor, born in Liverpool, England (d. 1930)
- Apr 10 Eugene Francis Charles D'Albert, German pianist and composer (Golem), born in Glasgow, Scotland (d. 1932)
- Apr 10 Tully Marshall, American actor (Let's Go, Red Dust), born in Nevada City, California (d. 1943)
- Apr 18 Richard Harding Davis, American journalist and author (Soldiers of Fortune, The King's Jackal), born in Philadelphia, Pennsylvania (d. 1916)
Max Weber (1864-1920)
Apr 21 German sociologist, economist and historian (Ancient Judaism), born in Erfurt, Province of Saxony, Prussia
- Apr 22 Phil May, English cartoonist, born in Wortley, Leeds (d. 1903)
- Apr 24 George August Alexander Alting von Geusau, Dutch Minister of War (1918-20), born in Arnhem, Netherlands (d. 1937)
- Apr 24 George Foottit, English clown, born in Manchester, United Kingdom (d. 1921)
- Apr 28 William Frederick Archdall Ellison, Irish clergyman and astronomer (director of the Armagh Observatory), born in Thomastown, Ireland (d. 1962)
- Apr 30 Frans Netscher, Dutch writer and journalist (Studies of nude model), born in The Hague, Netherlands (d. 1923)
- Apr 30 Juhan Liiv, Estonian poet (I Saw Estonia Yesterday), born in Allatzkiwwi, Governorate of Livonia, Russian Empire (d. 1913)
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