Morgan had made his first appearance in the green shirt for the under-15s - against Northern Ireland in Belfast, as captain under manager Joe McGrath and had also played at under-16 and under-18.
Thomas Morgan came to prominence during the 1997 FIFA World Youth Championships where he captained the Irish team which won the bronze medal.
During those championships he lined up alongside the like of Damien Duff to face players like Juan Román Riquelme and Esteban Cambiasso of Argentina.
At that time he was on the books of Blackburn Rovers and was highly regarded by the club having signed on his sixteenth birthday.
He returned to the League of Ireland where he spent time with Bray Wanderers (39 total appearances), Shelbourne (where he won back to back league titles in '03 and '04) and Dundalk before joining Kildare County at the beginning of the 2006 season.