- Apr 1 Ludwig Enneccerus, German politician and legal scholar, born in Neustadt am Rübenberge (d. 1928)
- Apr 4 Hans Richter, Austrian-Hungarian composer, born in Raab, Kingdom of Hungary, Austro-Hungarian Empire (d. 1916)
- Apr 8 Asger Hamerik [Hammerich], Danish composer, and educator (Peabody Institute, 1878-91), born in Frederiksberg, Denmark (d. 1923)
- Apr 14 Gustave Leon Huberti, Belgian composer, born in Brussels, Belgium (d. 1910)
- Apr 15 Carl Eilhardt, German composer and conductor, born in Erfurt, Province of Saxony, Kingdom of Prussia (d. 1911)
- Apr 15 Henry James, American-British author (Turn of the Screw, Bostonians), born in New York City (d. 1916)
- Apr 25 Princess Alice of the United Kingdom, Grand Duchess of Hesse, born in Buckingham Palace, London (d. 1878)
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