- Apr 4 Cyril Smith, Scottish actor (The Adventures of Sir Lancelot), born in Peterhead, Scotland (d. 1963)
- Apr 4 Esther Howard, American actress, born in Helena, Montana (d. 1965)
Donald Wills Douglas (1892-1981)
Apr 6 American aircraft industrialist (McDonnell Douglas) and aviation pioneer (Douglas DC-3), born in Brooklyn, New York
- Apr 6 Lowell Thomas, American newscaster (High Adventure), born in Woodington, Ohio (d. 1981)
- Apr 6 Mateusz Gliński, Polish conductor, musicologist (Scriabin, Chopin), composer, and pedagogue (Winsdor University), born in Warsaw, Poland (d. 1976)
Mary Pickford (1892-1979)
Apr 8 Canadian-American silent film actress (Poor Little Rich Girl; Suds; Coquette), producer, and studio founder, known as "America's Sweetheart", born in Toronto, Ontario
- Apr 8 Richard Neutra, Austrian-American modernist architect (Kaufmann Desert House - Palm Springs, CA; Moore House - Ojai, CA; Hassrick House - Philadelphia, PA), born in Vienna, Austria-Hungary (d. 1970)
- Apr 10 Egon Freiherr von Eickstedt, German anthropologist (classified human into races), born in Jeseritz, Germany (d. 1965)
- Apr 10 Victor de Sabata, Italian conductor and composer (Il Macigno), born in Trieste, Austria-Hungary (d. 1967)
- Apr 12 Johnny Dodds, American early jazz clarinetist, born in Waveland, Mississippi (d. 1940)
- Apr 13 Arthur Harris, British RAF Commanding Chief known as "Bomber/Butcher Harris" for commanding the bombing campaign against Nazi Germany, born in Cheltenham, Gloucestershire (d. 1984)
Robert Watson-Watt (1892-1973)
Apr 13 Scottish physicist and developer of the radar and radio direction finding in WWII, born in Brechin, Scotland
- Apr 14 Giorgio Cesana, Italian coxswain (Olympic gold 1906), born in Venice (d. 1967)
- Apr 14 V. Gordon Childe, British archaeologist and prehistorian, born in Sydney, Australia (d. 1957)
- Apr 15 Corrie ten Boom, Dutch author (The Hiding Place) and Holocaust survivor, born in Amsterdam, Netherlands (d. 1983)
- Apr 15 Theo Osterkamp, World War I and World War II German fighter pilot, born in Düren, Rhine Province, Kingdom of Prussia (d. 1975)
- Apr 17 Jean Haesaert, Flemish lawyer and sociologist, born in Lokeren, Belgium (d. 1961)
- Apr 19 Germaine Tailleferre [Taillefesse], French composer (Le Marin du Bolivar; L'adieu du cavalier), born in Saint-Maur-des-Fossés, Val-de-Marne, France (d. 1983)
- Apr 21 Jaroslav Kvapil, Czech composer, born in Fryšták, Bohemia, Austro-Hungarian Empire (d. 1959)
- Apr 22 Nikolai Obukhov, Russian composer, born in Ol'shanka village, Kursk Province, Russian Empire (d. 1954)
- Apr 22 Vernon Johns, American civil rights activist, born in Darlington Heights, Virginia (d. 1965)
- Apr 23 Minus van Looi [Benjamin van der Voort], Flemish writer, born in Tessenderlo, Belgium (d. 1952)
- Apr 23 Richard Huelsenbeck, German Dada writer, born in Frankenau, Hessen-Nassau (d. 1974)
- Apr 24 Jack Hulbert, British actor (Into the Blue, Bulldog Jack), born in Ely, Cambridgeshire, England (d. 1978)
- Apr 28 Georges Antoine, Belgian pianist and composer, born in Liège, Belgium (d. 1918) [1]
- Apr 28 John Jacob Niles, American composer, born in Louisville, Kentucky (d. 1980)
- Apr 28 Joseph Dunninger, American magician and mentalist (The Amazing Dunninger), born in New York City (d. 1975)
Greatest Generation
Silent Generation
Baby Boomer
Generation X
Millennial
Generation Z