- May 11 Al Cabrera, Spanish-born Cuban baseball player (d. 1964)
Ed Walsh (1881-1959)
May 14 American baseball HOF pitcher (World Series 1906; no-hitter 1911; MLB record 1.82 career ERA; Chicago White Sox) and manager (Chicago WS 1924), born in Plains Township, Pennsylvania
- May 29 Frederik Septimus Kelly, Australian-British composer and rower (Summer Olympic gold, 1908), born in Sydney, Australia (d. 1916)