| 2018-10-06 13:53:0906/10/2018 | OMP United  | 5 - 0 |  Trim Celtic AFC – White | 14 Premier Shield |
| 2018-10-06 11:00:0006/10/2018 | Enfield Celtic FC  | 11:00:0011:00 am | OMP United | 17 Division 1 |
| 2018-10-04 10:00:4804/10/2018 | Trim Celtic AFC | 5 - 0 | OMP United | 15 Premier Shield |
| 2018-09-30 11:30:0030/09/2018 | OMP United | 6 - 1 |  Slane Wanderers FC | 17 Division 1 |
| 2018-09-30 10:00:0030/09/2018 | Trim Celtic AFC – Green | 4 - 0 | OMP United | 14 Premier Shield |
| 2018-09-30 10:00:0030/09/2018 | OMP United | 2 - 2 |  Parkceltic Summerhill | 15 Premier Shield |
| 2018-09-29 10:00:0029/09/2018 | Newtown United FC  | 4 - 1 | OMP United | 17 Major Shield |
| 2018-09-24 11:30:0024/09/2018 | OMP United | 1 - 4 |  Virginia FC | 12 Plate |
| 2018-09-15 11:30:0015/09/2018 | OMP United | 2 - 5 |  Athboy Celtic FC | 14 Premier Shield |
| 2018-09-15 10:00:0015/09/2018 | OMP United | 5 - 0 | Newtown United FC | 12 Plate |
| 2018-09-08 13:00:0008/09/2018 | Parkvilla FC  | 0 - 5 | OMP United | 15 Division 1 |
| 2018-09-08 12:30:0008/09/2018 | Drogheda Marsh Cresent FC | 4 - 0 | OMP United | 17 Division 1 |
| 2018-09-08 10:00:0008/09/2018 | OMP United | 2 - 2 |  Navan Cosmos FC | 14 Premier Shield |
| 2018-09-08 06:03:0008/09/2018 | OMP United | 0 - 1 | Enfield Celtic FC | 12 Plate |
| 2018-09-01 22:45:3401/09/2018 | OMP United | 1 - 5 |  Kells Blackwater FC | 15 Premier Shield |
| 2018-09-01 22:32:0301/09/2018 | Trim Celtic AFC | 2 - 1 | OMP United | 12 Plate |
| 2018-09-01 11:03:0001/09/2018 | OMP United | 0 - 3 |  Borora Juniors AFC | 17 Division 1 |
| 2018-08-30 18:45:0030/08/2018 | OMP United | 0 - 4 |  Ballivor FC | 12 Division 1 |
| 2018-08-30 18:45:0030/08/2018 | Borora Juniors AFC | 6 - 5 | OMP United | 17s NECSL Cup |
| 2018-08-27 19:00:0027/08/2018 | Parkvilla FC | 4 - 1 | OMP United | 14s NECSL Cup |
| 2018-08-25 16:41:5225/08/2018 | Newtown United FC | 0 - 2 | OMP United | 17 Premier |
| 2018-08-25 13:00:0025/08/2018 | Parkceltic Summerhill | 0 - 3 | OMP United | 14 Premier |
| 2018-08-25 10:00:0025/08/2018 | Enfield Celtic FC | 2 - 1 | OMP United | 12 Division 1 |
| 2018-08-25 10:00:0025/08/2018 | OMP United | 1 - 1 |  Bohermeen Celtic FC | 15 Division 1 |
| 2018-08-23 19:00:0023/08/2018 | OMP United | 3 - 1 |  Robinstown FC | 17s NECSL Cup |
| 2018-08-23 00:00:0023/08/2018 | Kentstown Rovers FC  | 0 - 3 | OMP United | 15 Division 1 |
| 2018-08-21 19:00:0021/08/2018 | OMP United | 0 - 3 | Trim Celtic AFC – White | 11s Colm Cooper Cup |
| 2018-08-20 19:00:0620/08/2018 | OMP United | 1 - 2 | Trim Celtic AFC | 12 Division 1 |
| 2018-08-18 11:15:0018/08/2018 | OMP United | 2 - 3 | Athboy Celtic FC | 14 Premier |
| 2018-07-14 10:00:0014/07/2018 | OMP United | 1 - 4 | Parkvilla FC | 14 Premier |
| 2018-07-12 19:14:4512/07/2018 | OMP United | 1 - 0 |  Kingscourt Harps AFC | 15 Division 1 |
| 2018-07-07 11:30:0007/07/2018 | Parkvilla FC | 11:30:0011:30 am | OMP United | 15 Division 1 |
| 2018-07-07 11:30:0007/07/2018 | OMP United | 4 - 3 |  Drogheda Marsh Crescent FC | 17 Premier |
| 2018-07-07 10:00:0007/07/2018 | Enfield Celtic FC | 10:00:0010:00 am | OMP United | 12 Division 1 |
| 2018-07-06 23:02:0806/07/2018 | OMP United | 2 - 1 |  Torro United FC | 15 Division 1 |
| 2018-07-06 22:49:4906/07/2018 | Trim Celtic AFC – Green | 8 - 3 | OMP United | 14 Premier |
| 2018-06-30 19:00:0030/06/2018 | OMP United | 2 - 2 |  Oldcastle United FC | 17 Premier |
| 2018-06-30 10:00:0030/06/2018 | Virginia FC | 3 - 0 | OMP United | 12 Division 1 |
| 2018-06-30 10:00:0030/06/2018 | Slane Wanderers FC | 1 - 4 | OMP United | 17s NECSL Cup |
| 2018-06-30 10:00:0030/06/2018 | OMP United | 1 - 4 | Trim Celtic AFC | 15s NECSL Cup |
| 2018-06-27 19:00:0027/06/2018 | Newtown United FC | 0 - 3 | OMP United | 17 Premier |
| 2018-06-23 11:30:0023/06/2018 | OMP United | 0 - 4 | Parkceltic Summerhill | 12 Division 1 |
| 2018-06-23 10:00:0023/06/2018 | Navan Cosmos FC | 3 - 0 | OMP United | 14 Premier |
| 2018-06-23 10:00:0023/06/2018 | OMP United | 10:00:0010:00 am | Torro United FC | 15 Division 1 |
| 2018-06-16 10:00:0016/06/2018 | OMP United | 2 - 1 |  Skryne Tara AFC | 11s Colm Cooper Cup |
| 2018-06-09 11:00:0009/06/2018 | OMP United | 3 - 5 |  Trim Town FC | 17 Premier |
| 2018-06-02 10:00:5702/06/2018 | OMP United | 0 - 5 | Torro United FC | 17 Premier |
| 2018-06-02 10:00:0002/06/2018 | OMP United | 0 - 5 | Virginia FC | 12 Division 1 |
| 2018-06-02 10:00:0002/06/2018 | OMP United | 1 - 4 | Trim Celtic AFC – D1 | 15s NECSL Cup |
| 2018-05-26 13:00:0026/05/2018 | OMP United | 1 - 3 |  Johnstown FC | 17 Premier |
| 2018-05-26 11:30:0026/05/2018 | OMP United | 1 - 3 | Trim Celtic AFC – White | 14 Premier |
| 2018-05-26 10:00:0026/05/2018 | OMP United | 1 - 6 | Parkvilla FC | 12 Elrich Paulo Caputo Cup |
| 2018-05-21 19:00:0021/05/2018 | OMP United | 5 - 0 |  Navan Town FC | 15 Division 1 |
| 2018-05-21 00:00:0021/05/2018 | OMP United | 3 - 0 |  BYE | 11s Colm Cooper Cup |
| 2018-05-19 11:30:0019/05/2018 | Athboy Celtic FC | 2 - 2 | OMP United | 14 Premier |
| 2018-05-12 11:30:0012/05/2018 | OMP United | 0 - 4 | Navan Cosmos FC | 14 Premier |
| 2018-05-12 11:30:0012/05/2018 | Robinstown FC | 5 - 2 | OMP United | 17 Premier |
| 2018-05-12 10:00:0012/05/2018 | OMP United | 1 - 6 | Parkvilla FC | 12 Division 1 |
| 2018-05-12 10:00:0012/05/2018 | Kingscourt Harps AFC | 2 - 3 | OMP United | 15 Division 1 |
| 2018-05-05 22:52:5905/05/2018 | OMP United | 3 - 1 | Enfield Celtic FC | 17 Premier |
| 2018-05-05 11:30:0005/05/2018 | Borora Juniors AFC | 0 - 5 | OMP United | 15 Division 1 |
| 2018-05-05 11:15:0005/05/2018 | Trim Celtic AFC | 1 - 2 | OMP United | 12 Division 1 |
| 2018-04-30 19:00:0030/04/2018 | Torro United FC | 1 - 1 | OMP United | 15 Division 1 |
| 2018-04-28 13:00:0028/04/2018 | Trim Celtic AFC – White | 0 - 4 | OMP United | 14 Premier |
| 2018-04-28 11:30:0028/04/2018 | OMP United | 1 - 0 | Enfield Celtic FC | 12 Division 1 |
| 2018-04-28 10:00:0028/04/2018 | OMP United | 2 - 2 | Parkvilla FC | 15 Division 1 |
| 2018-04-23 19:00:0023/04/2018 | Bohermeen Celtic FC | 5 - 2 | OMP United | 15 Division 1 |
| 2018-04-21 19:00:0021/04/2018 | OMP United | 3 - 0 | Trim Celtic AFC | 15 Division 1 |
| 2018-04-21 11:30:0021/04/2018 | Parkvilla FC | 5 - 0 | OMP United | 14 Premier |
| 2018-04-21 11:15:0021/04/2018 | Parkceltic Summerhill | 4 - 1 | OMP United | 12 Division 1 |
| 2018-04-16 19:07:4016/04/2018 | OMP United | 5 - 0 | Borora Juniors AFC | 15 Division 1 |
| 2018-04-14 11:30:0014/04/2018 | Borora Juniors AFC | 0 - 1 | OMP United | 17 Premier |
| 2018-04-14 10:00:0014/04/2018 | Ballivor FC | 5 - 4 | OMP United | 12 Division 1 |
| 2018-04-14 10:00:0014/04/2018 | OMP United | 5 - 1 | Parkceltic Summerhill | 14 Premier |
| 2018-04-12 19:00:0012/04/2018 | Navan Town FC | 1 - 7 | OMP United | 15 Division 1 |
| 2018-03-31 10:00:0031/03/2018 | OMP United | 2 - 0 | Kentstown Rovers FC | 15 Division 1 |
| 2018-03-31 10:00:0031/03/2018 | Drogheda Marsh Crescent FC | 1 - 1 | OMP United | 17 Premier |
| 2018-03-24 10:00:0024/03/2018 | Parkvilla FC | 1 - 1 | OMP United | 12 Division 1 |
| 2018-03-24 10:00:0024/03/2018 | OMP United | 0 - 5 | Trim Celtic AFC – Green | 14 Premier |
| 2018-03-24 10:00:0024/03/2018 | Slane Wanderers FC | 2 - 2 | OMP United | 17 Premier |
| 2018-01-30 18:45:0030/01/2018 | OMP United | 18:45:006:45 pm | Ballivor FC | 12 Division 1 |
