| 2021-10-09 14:00:04October 9, 2021 |   Real Transilvania vs Portmarnock | 3 - 0 | A North 2021 | 2021 | Parish Field Blanchardstown | Recap | - |
| 2021-10-02 14:30:49October 2, 2021 |  Portmarnock vs Trinity Donaghmede | 0 - 3 | A North 2021 | 2021 | Carrickhill | Recap | - |
| 2021-09-18 14:30:08September 18, 2021 |  Portmarnock vs Swords Cel | 0 - 3 | A North 2021 | 2021 | Carrickhill | Recap | - |
| 2021-09-11 14:30:50September 11, 2021 |  Portmarnock vs St Brendans/Dingle | 0 - 3 | A North 2021 | 2021 | Carrickhill | Recap | - |
| 2021-09-03 18:30:37September 3, 2021 |  Mountview CFC vs Portmarnock | 3 - 0 | A North 2021 | 2021 | Hartstown Park Astro | Recap | - |
| 2021-08-14 14:30:42August 14, 2021 |  Portmarnock vs Rivervalley Rgs | 1 - 1 | A North 2021 | 2021 | Carrickhill | Recap | - |
| 2021-08-07 14:30:56August 7, 2021 | Rivervalley Rgs vs Portmarnock | 2 - 2 | A North 2021 | 2021 | Rathingle | Recap | - |
| 2021-07-23 19:15:41July 23, 2021 | St Brendans/Dingle vs Portmarnock | 2 - 1 | A North 2021 | 2021 | DIT Broombridge A/W | Recap | - |
| 2021-07-16 19:00:41July 16, 2021 | Swords Cel vs Portmarnock | 1 - 2 | A North 2021 | 2021 | Balheary Reservoir | Recap | - |
| 2021-07-10 14:00:09July 10, 2021 | Portmarnock vs Mountview CFC | 1 - 3 | A North 2021 | 2021 | Carrickhill | Recap | - |
| 2021-07-02 19:45:42July 2, 2021 | Trinity Donaghmede vs Portmarnock | 1 - 1 | A North 2021 | 2021 | Fr Collins Park | Recap | - |
| 2020-09-18 19:00:00September 18, 2020 |  Raheny United vs Portmarnock | 1 - 1 | A North 2020 | 2020 | St Annes Astro | Recap | - |
| 2020-09-12 14:30:07September 12, 2020 | Portmarnock vs Real Transilvania | 1 - 4 | A North 2020 | 2020 | Carrickhill | Recap | - |
| 2020-09-05 14:00:57September 5, 2020 |  Portmarnock vs Griffith Rvrs | 1 - 1 | A North 2020 | 2020 | Carrickhill | Recap | - |
| 2020-08-29 14:00:07August 29, 2020 |  Marino Ath vs Portmarnock | 2 - 3 | A North 2020 | 2020 | St Annes Park | Recap | - |
| 2020-08-22 14:00:09August 22, 2020 |  Portmarnock vs Baldoyle Utd | 3 - 3 | A North 2020 | 2020 | Carrickhill | Recap | - |
| 2020-08-15 14:00:00August 15, 2020 |  Hartstown/Huntstown vs Portmarnock | 0 - 3 | A North 2020 | 2020 | Hartstown Park Astro | Recap | Friday |
| 2020-08-08 14:00:00August 8, 2020 |  Portmarnock vs Dunshaughlin Yths | 3 - 1 | A North 2020 | 2020 | Carrickhill | Recap | Saturday |
| 2020-07-25 15:00:00July 25, 2020 |  Sandyhill/Shangan vs Portmarnock | 2 - 1 | A North 2020 | 2020 | Coultry Park | Recap | Saturday |
