- May 6 Georgi Atanasov, Bulgarian composer, noted as the nation's first opera composer (Gergana), born in Plovdiv, Bulgaria (d. 1931)
- May 11 Joseph Marx, Austrian composer and music critic, born in Graz, Austria (d. 1964)
- May 12 Kyrylo Stetsenko, Ukrainian composer (Burlaka), choral conductor, music critic, teacher, and later, Ukrainian Orthodox priest, born in Kvitkiv, Russian Empire (now Ukraine) (d. 1922)