Gill began his career at hometown side Sheffield Wednesday in 1913. With the club suffering financial difficulties he was sold to Cardiff City in 1920 for £750 and was the club's top scorer in its first year in the Football League. He would go on to consistently challenge for the award along with strike partner Len Davies during his five years at the club. While at the club he also played in the 1925 FA Cup Final, which they went on to lose 1–0 to Sheffield United. The following season, he left to join Frank Buckley's Blackpool.