Carlton Reserve Career: 1997.
Reserve Games: 1
Reserve Goals: 0
Height: 180cm (5'11")
Weight: 78kg (12.4)
Guernsey No. 51 (1997).
DOB: 8th November, 1979.

Marc O'Riley played reserve grade football for Carlton in 1997 as a top-up player. O'Riley was also used as a top-up player for Collingwood reserves in 1997.

O'Riley was originally recruited from Sunbury via TAC Cup team the Calder Cannons.

He didn't play a senior game for Carlton.