- Mar 5 Maria do Carmo Geronimo, Brazilian maid, former slave and oldest Brazilian (lived to be at about 129), born in Carmo de Minas, Brazil (d. 2000)
- Mar 5 Rosa Luxemburg, Polish-German Marxist revolutionary and founder of the Spartacus League, born in Zamość, Poland (d. 1919)
- Mar 6 Ben Harney, American composer and "Father of Ragtime Piano" (You've Been a Good Old Wagon, But You Done Broke Down), born on the Mississippi River (d. 1938) [1]
- Mar 15 Betsy van den Arend, Dutch actress (Miss Hobbs), (d. 1950)
- Mar 19 Schofield Haigh, English cricket fast bowler (11 Tests, 24 wickets, BB 6/11; Yorkshire CCC), born in Berry Brow, Yorkshire, England (d. 1921)
- Mar 20 Joe McGinnity, American Baseball Hall of Fame pitcher (World Series 1905; 5 × NL wins leader; NL ERA leader 1904; Baltimore Orioles, NY Giants), born in Rock Island, Illinois (d. 1929)
- Mar 24 Leslie Gay, English cricket wicket-keeper (1 Test; Cambridge Uni, Hampshire CCC) and soccer goalkeeper (3 caps; Cambridge Uni), born in Brighton, Sussex (d. 1949)
- Mar 26 Jonah Kūhiō Kalaniana'ole, Prince of the Kingdom of Hawaii, born in Kukui‘ula, Kōloa, Kauaʻi, Kingdom of Hawaii (d. 1922)
- Mar 27 Heinrich Mann, German novelist and essayist (Professor Unrat); brother of Thomas, born in Lübeck (d. 1950)
- Mar 27 Piet Aalberse, Dutch minister of Labor (1918-25), born in Leiden, Netherlands (d. 1948)
- Mar 28 Willem Mengelberg, Dutch conductor (Concertgebouw Orchestra, NY Philharmonic 1922-30), born in Utrecht, Netherlands (d. 1951)
- Mar 29 Tom Hayward, English cricket batsman (35 Tests, 3 x 100; HS 137; Surrey CCC), born in Cambridge (d. 1939)
Arthur Griffith (1871-1922)
Mar 31 Irish writer and politician who founded Sinn Féin (President of Ireland 1922), born in Dublin, Ireland, United Kingdom