- Apr 1 Tadeusz Joteyko, Polish conductor, composer, and musicologist (Zygmunt August), born in Poczujki, Russian Empire (d. 1932)
- Apr 4 Nikolai Amani, Russian composer, born in St. Petersburg, Russia (d. 1904)
- Apr 4 Pauline de Haan-Manifarges, Dutch concert and opera contralto singer, born in Rotterdam, Netherlands (d. 1954)
Léon Blum (1872-1950)
Apr 9 Prime Minister of France (People's Front Government), born in Paris
- Apr 13 Alexander Roda Roda, Austrian writer, born in Drnowitz, Moravia (d. 1945)
- Apr 14 Abdullah Yusuf Ali, British-Indian Islamic scholar and translator (translated Qu'ran into English), born in Bombay, British India (d. 1953)
- Apr 18 Bernard Ogilvie Dodge, American botanist and pioneer researcher on heredity in fungi, born in Mauston, Wisconsin (d. 1960)
- Apr 21 Billy Bitzer, American cinematography pioneer, born in Roxbury, Boston, Massachusetts (d. 1944)
- Apr 22 Princess Margaret of Prussia, Queen consort-elect of Finland, born in New Palace, Potsdam, Prussia, German Empire (d. 1954)
- Apr 23 Violet Gordon-Woodhouse, British musician (harpsichord and clavichord), born in Harley Street, St Marylebone, London (d. 1948)
- Apr 25 C. B. Fry, English cricket batsman (26 Tests, 2 x 100s; Sussex, Hampshire), born in Croydon, England (d. 1956)
- Apr 26 William Desmond Taylor [Deane-Tanner], Irish director and actor (The Awakening, Broken Coin), born in County Carlow, Ireland (d. 1922)
- Apr 29 Eyvind Alnæs, Norwegian pianist, organist, choral director, and composer, born in Fredrikstad, Norway (d. 1932)
- Apr 29 Harry Payne Whitney, American businessman and thoroughbred horse breeder, born in New York City (d. 1930)
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