| Republic of Ireland Leinster Senior League | 2021/09/23 18:30 | Usher Celtic v Castleknock Celtic | L | 3-0 |
| Republic of Ireland Leinster Senior League | 2021/08/29 10:00 | Dunboyne AFC v Castleknock Celtic | D | 0-0 |
| Republic of Ireland Leinster Senior League | 2021/08/12 18:45 | Inchicore Athletic FC v Castleknock Celtic | L | 3-0 |
| Republic of Ireland Leinster Senior League | 2020/09/11 18:45 | Castleknock Celtic v Ratoath Harps | D | 3-3 |
| Republic of Ireland Leinster Senior League | 2020/09/09 18:45 | Castleknock Celtic v Broadford Rovers | W | 6-2 |
| Republic of Ireland FAI Intermediate Cup | 2019/12/06 20:00 | Castleknock Celtic v Bangor Celtic FC | L | 0-4 |
| Republic of Ireland Leinster Senior League | 2019/09/19 18:45 | St Francis FC v Castleknock Celtic | L | 3-0 |
| Republic of Ireland Leinster Senior League | 2019/03/05 20:00 | Larkview Boys v Castleknock Celtic | W | 1-2 |
| Republic of Ireland Leinster Senior League | 2021/12/09 19:45 | Glebe North FC v Newtown Rangers AFC | L | 4-1 |
| Republic of Ireland Leinster Senior League | 2021/10/22 18:30 | Portlaoise AFC v Newtown Rangers AFC | L | 2-0 |
| Republic of Ireland Leinster Senior League | 2021/10/11 19:00 | Home Farm FC v Newtown Rangers AFC | L | 5-3 |
| Republic of Ireland Leinster Senior League | 2021/10/10 10:00 | Newtown Rangers AFC v Templeogue United FC | W | 3-0 |
| Republic of Ireland Leinster Senior League | 2021/09/29 19:00 | Swords Celtic FC v Newtown Rangers AFC | W | 2-6 |
| Republic of Ireland Leinster Senior League | 2021/09/19 10:00 | Newtown Rangers AFC v Tullamore Town | W | 7-1 |
| Republic of Ireland Leinster Senior League | 2021/07/18 10:00 | Ardmore Rovers v Newtown Rangers AFC | D | 1-1 |
| Republic of Ireland Leinster Senior League | 2021/07/11 10:00 | Newtown Rangers AFC v St John Bosco | W | 3-0 |