Norman Bethune (1890-1939)
Mar 3 Canadian doctor, communist and humanitarian (Spanish Civil War, Second Sino-Japanese War), born in Gravenhurst, Ontario
Vyacheslav Molotov (1890-1986)
Mar 9 Russian politician (Soviet Minister of Foreign Affairs, 1939-49, 1953-6), born in Kukarka, Russian Empire
- Mar 11 Vannevar Bush, American engineer and science administrator (developed 1st electronic analogue computer), born in Everett, Massachusetts (d. 1974)
- Mar 12 Evert Axel Taube, Swedish ballad singer and composer, born in Gothenburg, Sweden (d. 1976)
- Mar 12 Vaslav Nijinsky, Ukrainian legendary ballet dancer (Petroesjka - Ballets Russes) and choreographer, born in Kyiv, Russian Empire (d. 1950) [OS=Feb 28]
- Mar 12 William Dudley Pelley, American leader of the Silver Legion (d. 1965)
- Mar 13 Fritz Busch, German conductor, born in Siegen, Province of Westphalia (d. 1951)
- Mar 13 Michael Taube, Polish composer, born in Lodz, Poland (d. 1972)
- Mar 16 Solomon Mikhoels, Soviet actor and chairman of the Jewish Anti-Fascist Committee (d. 1948)
- Mar 17 Harold Morris, American composer, born in San Antonio Texas (d. 1964)
- Mar 20 Lauritz Melchior, Danish-American baritone tenor (National Symphony), born in Copenhagen, Denmark (d. 1973)
- Mar 24 John Rock, American obstetrician and gynecologist who co-developed the 1st birth control pill, born in Marlborough, Massachusetts (d. 1984)
- Mar 26 Jozef Arras, Flemish writer, born in Lier (d. 1919)
- Mar 28 Paul Whiteman "The King of Jazz", American orchestra leader (George Gershwin's "Rhapsody In Blue"), born in Denver, Colorado (d. 1967)
- Mar 29 Harold Spencer Jones, English astronomer and 10th astronomer royal of England whose work led to a more accurate determination of the distance between the Earth and the Sun, born in London (d. 1960)
- Mar 31 William Lawrence Bragg, English physicist, Nobel laureate (d. 1971)