"My Mammy" is an American popular song with music by Walter Donaldson and lyrics by Joe Young and Sam M. Lewis. Though associated with Al Jolson, who performed the song very successfully, "My Mammy" was performed first by William Frawley (later to become famous on I Love Lucy) as a vaudeville act. Saul Bornstein, the general manager in early 1921 for Irving Berlin Music Publishing, brought the song to Jolson's attention; Jolson first interpolated the song in January of 1921 to the Broadway show Sinbad which was in the fourth year of its run. Jolson recorded this song twice and performed it in films, including The Jazz Singer (1927), The Singing Fool (1928) and Rose of Washington Square (1939). His voice can also be heard (dubbing actor Larry Parks) singing the song in "The Jolson Story."