 Quinn played for Aetna of Chicago, a respectable member of the amateur class.Jimmy Hallinan also played for the Aetnas of Chicago in 1870, when both Hallinan and Quinn turned 21 years old during the baseball season.In 1871 they both played a few games for the Kekiongas of Fort Wayne, Indiana, and the next league experience for both was at age 26 with the Westerns of Keokuk, Iowa in 1875.