[3] Their story was told in an animated movie Mr. Gallagher and Mr. Shean (1931)[4] by Max Fleischer and Dave Fleischer, who also created Koko the Clown and Betty Boop.

Gallagher and Shean also reportedly made an early sound film at the Theodore Case studio in Auburn, New York, in 1925.

[6] For fifteen years, Gallagher partnered with Joe Barrett in a comedy act that was best known for military burlesques, particularly "The Battle of Too Soon.

[8] They had a featured part in the 1922 Ziegfeld Follies, earning a salary of US$1500 a week (approximately $27,000 today).

He had a nervous breakdown in 1925 and in 1927 was institutionalized at the River Crest Sanitarium in Astoria, New York, where he died on March 28, 1929.