Birthdays in Music
- May 3 Hugo Friedhofer, American composer, born in San Francisco, California (d. 1981)
- May 4 Cvjetko Rihtman, Bosnian composer, born in Rijeka, Croatia (d. 1989)
- May 16 Jan Kiepura, Polish vocalist and actor (Her Wonderful Lie, Give Us this Night), born in Sosnowiec, Poland (d. 1966)
- May 17 John Vincent, composer
- May 18 [Robert] Meredith Willson, Mason City Iowa, composer (Music Man)
- May 23 Mark Lothar, German composer (The Story of the Lazy Bear), born in Berlin (d. 1985)
- May 25 Helvi Lemmikke Leiviska, composer
- May 27 Celius Dougherty, composer
- May 31 Billy Mayerl, composer
- May 31 Henk Schaer [Hendricus Schaareman], Dutch actor and conductor (Majoor Barbara, Lijmen), born in Delft, Zuid-Holland, Netherlands (d. 1982)
- May 31 Ralph Walter Wood, composer