- Apr 1 Ferruccio Busoni, Italian piano prodigy, composer (Fantasia Contrappuntistica; Arlecchino), conductor, and pedagogue, born in Empoli, Kingdom of Italy (d. 1924)
- Apr 1 Sophonisba Breckenridge, American professor, teacher and social activist (1st woman to graduate from Chicago Uni Law School), born in Lexington, Kentucky (d. 1948) [1]
J. B. M. Hertzog (1866-1942)
Apr 3 South African General and Prime Minister of the Union of South Africa (1924-39), born in Wellington, South Africa
- Apr 4 George P Baker, American educator and playwright (47 Workshop), born in Providence, Rhode Island (d. 1935)
- Apr 6 Joseph Lincoln Steffens, American muckraker and investigative journalist (Shame of the Cities), born in San Francisco, California (d. 1936)
- Apr 11 Bernard O'Dowd, Australian poet, born in Beaufort, Australia (d. 1953)
- Apr 11 Clara Ford, American suffragette supporter and wife of industrialist Henry Ford, born in Wayne County, Michigan (d. 1950)
Butch Cassidy (1866-1908)
Apr 13 American desperado (Wild Bunch Passage), born in Beaver, Utah
- Apr 14 Anne Sullivan [Johanna Macy], American teacher who educated Helen Keller, born in Feeding Hills, Massachusetts (d. 1936)
- Apr 17 Ernest Starling, British physiologist (Frank-Starling law of the heart), born in London (d. 1927)
- Apr 19 Henri Deterding, Dutch oil magnate (Royal Oil, Shell), born in Amsterdam (d. 1939)
- Apr 20 Victor Hollaender, German composer, born in Leobschutz, Silesia (d. 1940)
- Apr 22 Hans von Seeckt, German general and advisor of Chiang Kai-shek, born in Schleswig, Duchy of Schleswig, German Confederation (d. 1936)
Greatest Generation
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