- Mar 1 Mercedes de Acosta, American socialite (d. 1968)
- Mar 2 Maxime Dumoulin, composer
- Mar 3 Beatrice Wood, potter/artist/author
- Mar 3 Bill Nestell, American actor (Dangerous Venture, Buckskin Frontier), born in San Francisco, California (d. 1966)
- Mar 5 Emmett J Culligan, founder of water treatment organization
- Mar 6 Kathleen Smoothy, housewife (last link to Siege of SIdney Street)
- Mar 6 [Walter] Furry Lewis, father of the blues
- Mar 7 Milton Avery, American artist (d. 1965)
- Mar 9 Edgar Scauflaire, Belgian painter and decorator, born in Liège, Belgium (d. 1960)
- Mar 9 Hans Münch, Swiss conductor and composer, born in Mulhouse, France (d. 1983)
- Mar 16 Isobel Elsom, British actress (My Fair Lady, Love From a Stranger), born in Cambridge, Cambridgeshire, England (d. 1981)
- Mar 18 Wilfred Owen, England, anti-war poet (Anthem for Doomed Youth)
- Mar 18 Costante Girardengo, Italian cyclist (d. 1978)
- Mar 18 Jean Goldkette, Greek-born jazz musician (d. 1962)
- Mar 21 Geoffrey Dearmer, poet
- Mar 23 Cedric Gibbons, American art director (d. 1960)
- Mar 24 George Sisler, American baseball player (d. 1973)
- Mar 25 Edward Hart, (Rep-D-NJ)/1st chairman of Com on Un-American Activities
- Mar 26 Palmiro Togliatti, founder (Communist Party of Italy)
- Mar 27 Karl Mannheim, German sociologist (Ideology & Utopia), born in Budapest, Hungary (d. 1947)
- Mar 28 Spyros Skouras, Greek-born American movie executive (20th Century Fox), born in Skourohorion, Greece (d. 1971)
- Mar 29 Dora Carrington, British Bloomsbury artist, born in Hereford, Herefordshire (d. 1932)
- Mar 31 Clemens Krauss, conductor (Berlin State Orch-1937), born in Vienna, Austria