- Mar 2 Susanna M. Salter, 1st American female mayor and temperance leader, born in Lamira, Ohio (d. 1961)
- Mar 3 John Montgomery Ward, American Baseball HOF pitcher (perfect game 1880; NL ERA leader 1878; NL strikeout leader & NL wins leader 1879; Providence Grays), born in Bellefonte, Pennsylvania (d. 1925)
- Mar 5 Sam Thompson, American Baseball HOF right fielder (NL batting champion 1887 Detroit Wolverines; NL HR leader 1889, 1895 Philadelphia Quakers), born in Danville, Indiana (d. 1922)
- Mar 11 Thomas Hastings, American architect (NY Public Library), born in New York City (d. 1929)
- Mar 12 Salvatore Di Giacomo, Italian poet and songwriter during "Golden Age of Neapolitan Song", born in Naples, Kingdom of the Two Sicilies (d. 1934)
- Mar 13 Hugo Wolf, Austrian composer, born in Slovenj Gradec, Slovenia (d. 1903)
- Mar 15 Waldemar Haffkine, Ukrainian bacteriologist (1st to develop and use vaccines against cholera and bubonic plague), born in Odessa, Russian Empire (d. 1930)
William Jennings Bryan (1860-1925)
Mar 19 American orator and statesman known as "The Great Commoner", born in Salem, Illinois