- Apr 1 Peter Egge, Norwegian writer (De Droom), bornin Trondheim, Norway (d. 1959)
- Apr 2 Hughie Jennings, American Baseball Hall of Fame infielder (Baltimore Orioles) and manager (Detroit Tigers 1907-20), born in Pittston, Pennsylvania (d. 1928)
- Apr 4 Mary Colter, American architect and designer (Fred Harvey Company, Santa Fe Railroad), born in Pittsburgh, Pennsylvania (d. 1958)
- Apr 5 Albert Roussel, French composer (Rapsodie Flamande), born in Tourcoing, France (d. 1937)
- Apr 5 Sergei Chaplygin, Russian physicist and engineer, born in Chaplygin, Lipetsk Oblast, Russia (d. 1942)
- Apr 6 Louis Raemakers, Dutch cartoonist (WWI anti-German newspaper cartoons) and painter, born in Roermond, Netherlands (d. 1956)
- Apr 7 David Fairchild, American botanist and explorer (introduced over 200,000 plants to US), born in Lansing, Michigan (d. 1954)
- Apr 8 Harvey Cushing, American neurosurgeon (blood pressure studies), born in Cleveland, Ohio (d. 1939)
- Apr 11 Gustav Vigeland, Norwegian sculptor, born in Mandal, Norway (d. 1943)
- Apr 11 Kasturba Gandhi, Wife of Mahatma Gandhi, born in Gujarat, India (d. 1944)
- Apr 12 Henri Désiré Landru, French sex murderer, born in Paris (d. 1922)
- Apr 17 Johannes Marinus Meulenhoff, Dutch publisher, born in Zwolle, Netherlands (d. 1939)
- Apr 25 Karl Prohaska, Austrian composer, born in Mödling, Austria (d. 1927)
- Apr 27 (William) Victor Harris, American organist, composer, conductor (St. Cecilia Society, 1902-36), vocal coach, and educator, born in New York (d. 1943)
- Apr 28 Lester Lonergan, Irish-American stage and screen actor and director (Seven Faces), born in Limerick, Ireland, UK (d. 1931)
- Apr 30 Hans Poelzig, German architect (Grosses Schauspielhaus), born in Berlin (d. 1936)