- May 1 Howard Barlow, American conductor (Voice of Firestone), born in Plain City, Ohio (d. 1972)
- May 9 Eric Westberg, Swedish composer, born in Hudiksvall, Sweden (d. 1944)
- May 14 Arthur Vincent Lourie, Russian composer, born in Propoysk, Russia (d. 1966)
- May 14 Felix Petyrek, Austrian composer, born in Brno, Austria (d. 1951)
- May 16 Richard Tauber [Ernst Seiffert], Austria/British, tenor/conductor
- May 18 Ezio Pinza, Italian American operatic bass singer (South Pacific, RCA Victor Show), born in Rome, Italy (d. 1957)
- May 22 Louis van Tulder, Dutch tenor (From Office Stool to High C), born in Amsterdam (d. 1969)
- May 31 Louis Fourestier, composer
- May 31 Willem Ravelli, baritone singer