Head to Head
| Republic of Ireland Leinster Senior League | 2019/02/10 11:00 | Portmarnock AFC v Crumlin United | D | 2-2 |
| Republic of Ireland Leinster Senior League | 2018/10/14 11:00 | Crumlin United v Portmarnock AFC | L | 3-1 |
| Republic of Ireland Leinster Senior League | 2018/04/15 13:43 | Crumlin United v Portmarnock AFC | W | 0-1 |
| Republic of Ireland Leinster Senior League | 2018/03/25 10:02 | Portmarnock AFC v Crumlin United | L | 2-4 |
Home History
| Republic of Ireland Leinster Senior League | 2020/08/05 19:00 | Liffey Wanderers v Portmarnock AFC | D | 3-3 |
| Republic of Ireland Leinster Senior League | 2020/07/29 18:00 | Portmarnock AFC v Malahide Utd | L | 1-3 |
| Republic of Ireland Leinster Senior League | 2020/07/26 10:02 | Portmarnock AFC v Maynooth University Town FC | L | 0-3 |
| Republic of Ireland Leinster Senior League | 2020/07/22 18:00 | Portmarnock AFC v Ballymun United | L | 2-3 |
| Republic of Ireland Leinster Senior League | 2020/07/20 18:00 | Seaford Rock United v Portmarnock AFC | D | 2-2 |
| Republic of Ireland Leinster Senior League | 2020/02/26 19:45 | Malahide Utd v Portmarnock AFC | L | 4-0 |
| Republic of Ireland Leinster Senior League | 2020/01/17 19:45 | Edenderry Town v Portmarnock AFC | W | 3-4 |
| Republic of Ireland Leinster Senior League | 2020/01/05 11:00 | Portmarnock AFC v Bluebell United | W | 4-2 |
Away History
| Republic of Ireland Leinster Senior League | 2020/08/08 13:30 | Ballymun United v Crumlin United | W | 0-4 |
| Republic of Ireland Leinster Senior League | 2020/08/05 18:00 | Crumlin United v Cherry Orchard | W | 2-1 |
| Republic of Ireland Leinster Senior League | 2020/07/29 18:00 | Crumlin United v Bangor Celtic FC | W | 2-1 |
| Republic of Ireland Leinster Senior League | 2020/07/26 11:00 | Crumlin United v Edenderry Town | W | 2-1 |
| Republic of Ireland Leinster Senior League | 2020/07/25 14:00 | Crumlin United v Bluebell United | L | 1-4 |
| Republic of Ireland Leinster Senior League | 2020/07/22 18:00 | Bluebell United v Crumlin United | D | 2-2 |
| Republic of Ireland Leinster Senior League | 2020/07/19 10:00 | Killester Donnycarney FC v Crumlin United | W | 0-4 |
| Republic of Ireland League Cup | 2020/03/08 15:30 | Cabinteely FC v Crumlin United | L | 4-3 |