| 2022-10-15 14:00:18October 15, 2022 |   St Mary’s FC vs Tallaght Town | 2 - 3 | FAI Junior Cup | 2022 | Moreen Park, Sandyford | Recap | - |
| 2022-09-24 14:00:29September 24, 2022 | Dublin Airport vs St Mary’s FC | 0 - 2 | FAI Junior Cup | 2022 | ALSAA | Recap | - |
| 2022-09-17 15:00:29September 17, 2022 |  St Anthony’s Kilcoole vs St Mary’s FC | 2 - 0 | Premier B | 2022 | Finn Park, Kilcoole | Recap | - |
| 2022-09-10 15:00:25September 10, 2022 |  St Mary’s FC vs Real Transilvania | 2 - 5 | Premier B | 2022 | Moreen Park, Sandyford | Recap | - |
| 2022-09-03 14:00:11September 3, 2022 |  St Mary’s FC vs Griffith Rvrs | 4 - 1 | Premier B | 2022 | Moreen Park, Sandyford | Recap | - |
| 2022-08-12 19:15:11August 12, 2022 |  Cottage Cel vs St Mary’s FC | 1 - 5 | Premier B | 2022 | Bernard Curtis Park | Recap | - |
| 2022-08-05 18:45:33August 5, 2022 |  Patrician Celtic vs St Mary’s FC | 7 - 0 | Premier B | 2022 | Patrician College | Recap | - |
| 2022-07-17 12:00:07July 17, 2022 |  Sallynoggin Pearse vs St Mary’s FC | 5 - 3 | Amateur Cup | 2022 | Pearse Park Sallynoggin | Recap | - |
| 2022-07-08 19:00:28July 8, 2022 | Real Transilvania vs St Mary’s FC | 1 - 1 | Premier B | 2022 | National Spots Campus (Indoor) | Recap | - |
| 2022-07-01 19:00:22July 1, 2022 |  Glenville vs St Mary’s FC | 3 - 0 | LFA O'35 Cup | 2022 | The Gaels | Recap | - |
| 2022-06-24 19:00:18June 24, 2022 |  St Mary’s FC vs Raheny United | 4 - 5 | Matt O'Leary Cup | 2022 | Moreen Park, Sandyford | Recap | - |
| 2022-06-17 19:00:21June 17, 2022 |  Cabinteely FC vs St Mary’s FC | 1 - 3 | Premier B | 2022 | Kilbogget Park | Recap | - |
| 2022-05-27 19:00:24May 27, 2022 | St Mary’s FC vs Cottage Cel | 2 - 2 | Premier B | 2022 | Moreen Park, Sandyford | Recap | - |
| 2022-05-20 19:00:26May 20, 2022 |  St Mary’s FC vs Mountview CFC | 2 - 7 | Premier B | 2022 | Moreen Park, Sandyford | Recap | - |
| 2022-05-06 18:45:10May 6, 2022 | St Mary’s FC vs Patrician Celtic | 2 - 3 | Premier B | 2022 | Moreen Park, Sandyford | Recap | - |
| 2022-04-22 18:45:53April 22, 2022 | Mountview CFC vs St Mary’s FC | 7 - 3 | Premier B | 2022 | Hartstown Park Astro | Recap | - |
| 2022-04-09 15:00:25April 9, 2022 | St Mary’s FC vs St Anthony’s Kilcoole | 2 - 1 | Premier B | 2022 | Moreen Park, Sandyford | Recap | - |
| 2022-04-02 14:00:26April 2, 2022 | Griffith Rvrs vs St Mary’s FC | 1 - 0 | Premier B | 2022 | Johnstown Park | Recap | - |
| 2022-03-26 13:00:51March 26, 2022 | St Mary’s FC vs Cabinteely FC | 3 - 1 | Premier B | 2022 | Moreen Park, Sandyford | Recap | - |
