He began next season as left back until Bobby Wade returned from injury, whereby Kelly moved into the centre of midfield.
Bohs finished the 66/67 season as league runners-up and because of their strictly amateur status, they began to lose some of their key players to their professional rivals.
However, he didn't stay long at Glenmalure Park, as he joined Seán Thomas in America midway through the 1967/68 season.
Tommy won the man of the match as Bohs beat Sligo to win the 1970 FAI Cup Final.
With his 39th birthday looming, Tommy hung his boots at the end of the 1981/82 season - his last match was the FAI Cup Final defeat by Limerick.