O'Neill then moved to Melbourne and played with North Footscray 1941,[5] then with Kingsville in 1942.
O'Neill managed to play 16 games for Footscray during 1943[6] and 1944,[7] after debuting against Carlton in round two, 1943.[8]
O'Neill served in World War II, initially enlisting in the Australian Army in 1941[9] but transferring to the Royal Australian Air Force in 1943[10] where he served in the 2nd Airfield Construction Squadron. O'Neill played for Footscray during his period of war service.
In August 1950, O’Neill kicked 24 goals against Springhurst in round 16, to bring his goal tally to 116 for the season.[15] O'Neill finished the 1950 season with 139 goals, after kicking nine goals in the grand final win against Howlong.[16]
In Chiltern's first year in the Ovens & King Football League in 1954, O'Neill was the leading goalkicker in the O&KFL, with 87 goals for the season, in which he retired at the end of the season, after a controversial grand final loss.[18]
O'Neill was captain-coach of Chiltern that lost to Greta by four points in the 1954 O&KFL grand final, after being four goals in front after 35 minutes, with the last quarter going for a staggering 43 minutes.[19][20][21]
^Holmesby, Russell; Main, Jim (2014). The Encyclopedia of AFL Footballers: every AFL/VFL player since 1897 (10th ed.). Seaford, Victoria: BAS Publishing. p. 673. ISBN978-1-921496-32-5.