Morton Downey was a singer popular in the United States, enjoying his greatest success in the 1930s and 1940s. Downey was nicknamed "The Irish Nightingale".
Sean Morton Downey was born in Wallingford, Connecticut, the child of James and Bessie Downey. He later dropped his first name in favor of his middle name as his professional name
For a time in the 1920s, Downey, a tenor, sang with Paul Whiteman's Orchestra. He first recorded in 1923 for Edison Records under the pseudonym Morton James; the following year he recorded for Victor with the S.S. Leviathan Orchestra. In 1925 he began 4 years of recording for Brunswick Records. In 1926 he had a hit in the show Palm Beach Nights.
He toured London, Paris, Berlin, New York City and Hollywood. He also began appearing in motion pictures in 1929.