- May 1 Charles Lee Williams, English composer and organist, born in Winchester (d. 1935)
- May 26 Monroe Althouse, American composer, born in Centre Township, Berks County, Pennsylvania (d. 1924)
- May 29 Francesco Fanciulli, American-Italian composer, born in Porto Santo Stefano, Grand Duchy of Tuscany (now Italy) (d. 1915)
- May 30 Karl Valentin, Swedish composer, born in Gothenburg, Sweden (d. 1918)