| 2023-11-04 18:00:07November 4, 2023 |   St Mary’s FC vs Leicester Celtic | 3 - 4 | 1 South | 2023 | Moreen Park, Sandyford | Recap | - |
| 2023-10-28 15:00:22October 28, 2023 |  St Mary’s FC vs Cottage Cel | 2 - 6 | 1 South | 2023 | Moreen Park, Sandyford | Recap | - |
| 2023-10-14 16:00:27October 14, 2023 |  Manortown Utd vs St Mary’s FC | 4 - 2 | 1 South | 2023 | | Recap | - |
| 2023-09-29 20:00:16September 29, 2023 |  Pegasus/St James vs St Mary’s FC | 4 - 1 | 1 South | 2023 | St Benildus College | Recap | - |
| 2023-09-23 15:00:27September 23, 2023 |  St Mary’s FC vs St Anthony’s Kilcoole | 3 - 2 | 1 South | 2023 | Moreen Park, Sandyford | Recap | - |
| 2023-09-08 18:30:09September 8, 2023 | St Mary’s FC vs Manortown Utd | 3 - 3 | 1 South | 2023 | Moreen Park, Sandyford | Recap | - |
| 2023-09-01 19:45:59September 1, 2023 |  Cabinteely FC vs St Mary’s FC | 7 - 4 | 1 South | 2023 | Kilbogget Park | Recap | - |
| 2023-08-24 19:15:03August 24, 2023 |  DCT Utd A vs St Mary’s FC | 6 - 3 | 1 South | 2023 | Killinarden Hill | Recap | - |
| 2023-08-11 19:00:50August 11, 2023 |  St Mary’s FC vs St John Bosco | 1 - 5 | LFA O'35 Cup | 2023 | Moreen Park, Sandyford | Recap | - |
| 2023-08-05 14:00:58August 5, 2023 |  Garden Co vs St Mary’s FC | 9 - 2 | 1 South | 2023 | Peoples Park, Bray | Recap | - |
| 2023-07-27 19:00:18July 27, 2023 | St Mary’s FC vs DCT Utd A | 1 - 2 | 1 South | 2023 | Moreen Park, Sandyford | Recap | - |
| 2023-07-22 15:00:33July 22, 2023 | St Anthony’s Kilcoole vs St Mary’s FC | 2 - 4 | 1 South | 2023 | Finn Park, Kilcoole | Recap | - |
| 2023-07-14 19:30:47July 14, 2023 |  Swords Cel vs St Mary’s FC | 1 - 0 | Gaff Cup | 2023 | Balheary Reservoir | Recap | - |
| 2023-07-01 17:00:05July 1, 2023 | Arlington FC vs St Mary’s FC | 0 - 4 | LFA O'35 Cup | 2023 | | Recap | - |
| 2023-06-16 19:00:29June 16, 2023 |  St Mary’s FC vs Confey | 2 - 3 | Byrne Cup | 2023 | Moreen Park, Sandyford | Recap | - |
| 2023-06-12 19:00:27June 12, 2023 |  St Mary’s FC vs Jobstown Celtic | 7 - 0 | Gaff Cup | 2023 | Moreen Park, Sandyford | Recap | - |
| 2023-06-01 19:00:00June 1, 2023 | Confey vs St Mary’s FC | 4 - 2 | 1 South | 2023 | St Catherine's Park | Recap | - |
| 2023-05-26 19:00:36May 26, 2023 | St Mary’s FC vs Pegasus/St James | 1 - 4 | 1 South | 2023 | Moreen Park, Sandyford | Recap | - |
| 2023-05-12 18:45:05May 12, 2023 | St Mary’s FC vs Garden Co | 3 - 4 | 1 South | 2023 | Moreen Park, Sandyford | Recap | - |
| 2023-05-05 19:00:03May 5, 2023 |  Tallaght Town vs St Mary’s FC | 3 - 4 | 1 South | 2023 | Carolan Park | Recap | - |
| 2023-04-28 18:45:37April 28, 2023 | St Mary’s FC vs Tallaght Town | 3 - 1 | 1 South | 2023 | Moreen Park, Sandyford | Recap | - |
| 2023-04-21 20:00:21April 21, 2023 |  Raheny United A vs St Mary’s FC | 3 - 1 | Matt O'Leary Cup | 2023 | St Annes Astro | Recap | - |
| 2023-04-14 18:45:58April 14, 2023 |  Baldoyle Utd vs St Mary’s FC | 3 - 1 | Amateur Cup | 2023 | Racecourse Park | Recap | - |
| 2023-03-31 19:30:04March 31, 2023 | Cottage Cel vs St Mary’s FC | 2 - 2 | 1 South | 2023 | Bernard Curtis Park | Recap | - |
| 2023-03-25 15:00:51March 25, 2023 | St Mary’s FC vs Confey | 5 - 3 | 1 South | 2023 | Moreen Park, Sandyford | Recap | - |
| 2023-03-10 19:30:29March 10, 2023 | Cabinteely FC v St Marys FC | 1 - 2 | 1 South | 2023 | Kilbogget Park | Recap | - |
| 2023-03-04 14:00:05March 4, 2023 | Leicester Cel v St Marys FC | 1 - 1 | 1 South | 2023 | Loreto Park Astro | Recap | - |
| 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 | - |
