[1] Widely known as "Gags", he also went by the nickname "Golly" before he started to lose his mop of curly hair.
[3] Gallagher made his debut for the Carlton First XVIII on 23 May 1964 (round 6), against St Kilda at the Junction Oval.
He was a tenacious, courageous left-footer, renowned for fearlessly burrowing into dense packs and coming out with the ball.
Under the short-lived VFL's "10-year rule", which allowed players with ten years' service at one club to move to another club without a clearance,[4] Gallagher left Carlton and moved to Footscray at the beginning of the 1973 season.
This Australian rules football biography of a person born in the 1940s is a stub.