- Mar 3 William Green, American trade union leader and president of American Federation of Labor (1924-52), born in Coshocton, Ohio (d. 1952)
- Mar 4 Guy Wetmore Carryl, American humorist and poet (d. 1904)
- Mar 4 John H. Trumbull, 54th Governor of the U.S. state of Connecticut (d. 1961)
- Mar 5 Olav Bjaaland, Norwegian explorer and cross-country skier (d. 1961)
- Mar 7 Madame Sul-Te-Wan [Nellie Crawford], American actress (The Birth of a Nation, Uncle Tom's Cabin), born in Louisville, Kentucky (d. 1959)
- Mar 10 Jakob Wassermann, German writer and novelist (My Life as German and Jew), born in Fürth, Bavaria, German Empire (d. 1934)
- Mar 11 David Horsley, English-born film executive (d. 1933)
- Mar 13 Barbados Joe Walcott, Barbadian boxer (World Welterweight champion 1901-06; first Black to hold that title), born in Demerara, British Guyana (d. 1935)
- Mar 13 George Forrest, Scottish botanist (plant hunter in western China), born in Falkirk, Scotland (d. 1932)
- Mar 14 Johannes Aengenent, Bishop of Haarlem (1928-35), born in Rotterdam, Netherlands (d. 1935)
- Mar 15 David Vaughan Thomas, Welsh musician and composer, born in Ystalyfera (d. 1934)
- Mar 15 Lee Shubert, American theatre producer (theatres in NY & LA named after him), born in Lithuania (d. 1953) birth date disputed
- Mar 16 Hippolyte Daeye, Belgium (Sereniteit) (d. 1952)
- Mar 17 Margaret Bondfield, British politician and 1st British female cabinet minister (1929-31), born in Chard, Somerset (d. 1953)
- Mar 19 Arthur Hoyt, American actor and director (Gold Dust Gertie, Goldie Get Along), born in Georgetown, Colorado (d. 1953)
- Mar 19 Max Reger, German concert pianist, organist, composer (Hebbel Requiem), and professor (Royal Conservatory - Leipzig, 1907-16), born in Brand, Bavarian Empire (d. 1916)
Sergei Rachmaninoff (1873-1943)
Mar 20 Russian-American piano virtuoso, conductor, and composer (Aleko; Piano Concerto No. 3), born in Oneg or Semyonovo, Russian Empire