He had short spells at Bangor City and Cork Hibernians before signing for Shamrock Rovers where he made a scoring debut, against Shels in Dalymount Park on 22 August 1962.
[1] He made a total of 6 appearances for the Hoops in European competition and was also the league top scorer in 1964/65 season with 16 goals[2] After sustaining a serious knee injury in a match against Shelbourne, Mooney was out of the game for 2 years.
He had immediate success as Athlone won the Leinster Senior Cup for the first time with Mooney scoring a hat trick in the final.
He also represented the full Irish international team during the 1960s; marking his debut with a goal against Poland at Dalymount Park on 25 October 1964.
[5] His uncle Denis Doyle was a member of the very first Shamrock Rovers side to win the League of Ireland title in 1922/23.