Home History
| All-Ireland League | 2018/10/20 13:30 | Ballymena v St Mary's | L | 40-22 |
| All-Ireland League | 2018/10/13 13:30 | Malone v St Mary's | L | 18-10 |
| All-Ireland League | 2018/10/06 13:30 | St Mary's v Ballynahinch | W | 37-27 |
| All-Ireland League | 2018/04/21 13:00 | St Mary's v Ucc | L | 24-36 |
| All-Ireland League | 2018/04/14 13:30 | Garryowen v St Mary's | L | 48-21 |
| All-Ireland League | 2018/04/07 13:30 | St Mary's v Clontarf | L | 30-45 |
| All-Ireland League | 2018/03/24 15:30 | Terenure v St Mary's | L | 35-5 |
| All-Ireland League | 2018/03/19 14:30 | St Mary's v UCD | L | 7-23 |
Away History
| All-Ireland League | 2018/10/20 13:30 | Armagh v Malone | W | 32-3 |
| All-Ireland League | 2018/10/13 13:30 | Ballynahinch v Armagh | D | 3-3 |
| All-Ireland League | 2018/10/06 13:30 | Armagh v Old Wesley | L | 17-22 |
| All-Ireland League | 2018/04/21 14:00 | Highfield v Armagh | W | 13-27 |