Head to Head
| Republic of Ireland Leinster Senior League | 2019/05/05 10:00 | Ballymun United v Portmarnock AFC | W | 3-1 |
| Republic of Ireland Leinster Senior League | 2018/08/29 17:45 | Portmarnock AFC v Ballymun United | L | 2-1 |
Home History
| Republic of Ireland Leinster Senior League | 2019/05/18 18:30 | Killester Donnycarney FC v Ballymun United | W | 0-1 |
| Republic of Ireland Leinster Senior League | 2019/05/13 18:00 | Ballymun United v Colepark United | W | 4-2 |
| Republic of Ireland Leinster Senior League | 2019/05/05 10:00 | Ballymun United v Portmarnock AFC | W | 3-1 |
| Republic of Ireland Leinster Senior League | 2019/04/24 18:45 | Malahide Utd v Ballymun United | L | 3-0 |
| Republic of Ireland Leinster Senior League | 2019/03/24 11:00 | Ballymun United v Newbridge Town FC | W | 6-2 |
| Republic of Ireland Leinster Senior League | 2019/03/10 12:00 | Bluebell United v Ballymun United | L | 6-1 |
| Republic of Ireland Leinster Senior League | 2019/03/03 11:00 | Ballymun United v Sacred Heart Firhouse Clover | L | 0-2 |
| Republic of Ireland Leinster Senior League | 2019/02/03 11:00 | Ballymun United v Liffey Wanderers | L | 0-2 |
Away History
| Republic of Ireland Leinster Senior League | 2019/09/04 19:00 | Newbridge Town FC v Portmarnock AFC | L | 5-4 |
| Republic of Ireland Leinster Senior League | 2019/08/21 18:45 | St Mochtas v Portmarnock AFC | L | 3-1 |
| Republic of Ireland Leinster Senior League | 2019/08/18 10:00 | Bangor Celtic FC v Portmarnock AFC | L | 4-0 |
| Republic of Ireland Leinster Senior League | 2019/05/12 09:58 | Portmarnock AFC v Sacred Heart Firhouse Clover | L | 2-3 |
| Republic of Ireland Leinster Senior League | 2019/05/05 10:00 | Ballymun United v Portmarnock AFC | L | 3-1 |
| Republic of Ireland Leinster Senior League | 2019/04/17 17:30 | Portmarnock AFC v Killester Donnycarney FC | L | 0-2 |
| Republic of Ireland Leinster Senior League | 2019/03/22 20:00 | Cherry Orchard v Portmarnock AFC | W | 0-1 |
| Republic of Ireland Leinster Senior League | 2019/02/24 11:00 | Portmarnock AFC v Bluebell United | L | 1-3 |