Home History
| Republic of Ireland Leinster Senior League | 2021/08/28 11:00 | Drumcondra v Lucan United | L | 3-1 |
| Republic of Ireland Leinster Senior League | 2021/08/27 19:01 | Greystones v Lucan United | W | 1-3 |
| Republic of Ireland Leinster Senior League | 2021/08/22 10:00 | Lucan United v Willow Park | D | 2-2 |
| Republic of Ireland Leinster Senior League | 2021/08/12 18:00 | Glenville v Lucan United | W | 0-2 |
| Republic of Ireland Leinster Senior League | 2021/08/08 10:00 | Lucan United v UCD AFC | W | 1-0 |
| Republic of Ireland Leinster Senior League | 2021/07/25 10:00 | Lucan United v Skerries Town FC | W | 3-1 |
| Republic of Ireland Leinster Senior League | 2021/07/18 10:00 | Collinstown FC v Lucan United | W | 1-2 |
| Republic of Ireland Leinster Senior League | 2021/07/17 11:00 | Ballyfermot United v Lucan United | L | 2-1 |
Away History
| Republic of Ireland Leinster Senior League | 2021/08/29 10:00 | Portmarnock AFC v St Patricks CY FC | W | 4-0 |
| Republic of Ireland Leinster Senior League | 2021/08/15 10:00 | Ballymun United v Portmarnock AFC | L | 4-2 |
| Republic of Ireland Leinster Senior League | 2021/07/25 10:00 | Portmarnock AFC v Newbridge Town FC | W | 1-0 |
| Republic of Ireland Leinster Senior League | 2021/07/11 10:00 | Portmarnock AFC v Glenville | D | 0-0 |
| Republic of Ireland Leinster Senior League | 2021/07/05 19:00 | St Patricks CY FC v Portmarnock AFC | W | 0-2 |
| Republic of Ireland Leinster Senior League | 2021/06/13 10:00 | Portmarnock AFC v Rush Athletic | L | 1-4 |
| Republic of Ireland Leinster Senior League | 2020/08/26 17:30 | Portmarnock AFC v St Mochtas | L | 2-5 |
| Republic of Ireland Leinster Senior League | 2020/08/12 18:00 | Portmarnock AFC v Killester Donnycarney FC | L | 0-2 |