| 2023-09-23 11:30:0023/09/2023 | Kells Celtic Youths FC  | 2 - 4 |  Oldcastle United FC | 12 ETL Networks Division 6 | N/A |
| 2023-09-17 11:00:0017/09/2023 | Square United | 11:00:0011:00 am | Oldcastle United FC | 13 ETL Networks D2 | N/A |
| 2023-09-02 10:00:0002/09/2023 | Oldcastle United FC | 3 - 1 | Newtown United FC | 12 ETL Networks Division 6 | N/A |
| 2023-08-30 18:45:0030/08/2023 | Oldcastle United FC | 18:45:006:45 pm |  Athboy Celtic FC | Youths Eolas Technologies Division 2 | N/A |
| 2023-08-27 13:00:0027/08/2023 | Oldcastle United FC | 5 - 0 | Termonfeckin Celtic FC | 13 ETL Networks D2 | N/A |
| 2023-08-23 19:00:0023/08/2023 | Oldcastle United FC | 0 - 3 | Borora Juniors AFC | Youths Eolas Technologies Division 2 | N/A |
| 2023-08-20 13:00:0020/08/2023 | Albion Rovers FC  | 1 - 6 | Oldcastle United FC | 13 ETL Networks D2 | N/A |
| 2023-08-19 16:19:2219/08/2023 | Oldcastle United FC | 3 - 0 | Walshestown FC | 12 ETL Networks Division 6 | N/A |
| 2023-07-03 19:30:0003/07/2023 | Albion Rovers FC | 3 - 0 | Oldcastle United FC | Youths Eolas Technologies Division 2 | N/A |
| 2023-07-01 10:00:0001/07/2023 | Borora Juniors AFC | 5 - 0 | Oldcastle United FC | 12 ETL Networks Division 6 | N/A |
| 2023-06-20 19:30:0020/06/2023 | Oldcastle United FC | 0 - 5 | Square United | 12 ETL Networks Division 6 | N/A |
| 2023-06-18 14:00:0018/06/2023 | Raharney United AFC | 3 - 0 | Oldcastle United FC | Youths Eolas Technologies Division 2 | N/A |
| 2023-06-17 10:00:0017/06/2023 | Oldcastle United FC | 10:00:0010:00 am | Square United | 12 ETL Networks Division 6 | N/A |
| 2023-06-11 11:00:0011/06/2023 | Oldcastle United FC | 3 - 0 | Albion Rovers FC | 13 ETL Networks D2 | N/A |
| 2023-06-09 18:30:0009/06/2023 | OMP United | 0 - 0 | Oldcastle United FC | Youths Eolas Technologies Division 2 | N/A |
| 2023-06-07 18:30:0007/06/2023 | Oldcastle United FC | 4 - 1 | Ballivor FC | Youths Eolas Technologies Division 2 | N/A |
| 2023-06-05 18:30:0005/06/2023 | Oldcastle United FC | 5 - 2 | Square United | 13 ETL Networks D2 | N/A |
| 2023-05-31 18:30:0031/05/2023 | Bohermeen Celtic FC | 2 - 3 | Oldcastle United FC | 13 ETL Networks D2 | N/A |
| 2023-05-29 18:30:0029/05/2023 | Virginia FC  | 0 - 1 | Oldcastle United FC | Youths Eolas Technologies Division 2 | N/A |
| 2023-05-28 18:30:0028/05/2023 | Athboy Celtic FC | 3 - 4 | Oldcastle United FC | 13 ETL Networks D2 | N/A |
| 2023-05-27 14:30:0027/05/2023 | Walshestown FC | 3 - 0 | Oldcastle United FC | 12 ETL Networks Division 6 | N/A |
| 2023-05-21 09:17:2821/05/2023 | Oldcastle United FC | 6 - 1 | Duleek AFC | 13 ETL Networks D2 | N/A |
| 2023-05-20 11:00:0020/05/2023 | Oldcastle United FC | 1 - 3 | Termonfeckin Celtic FC | 12 ETL Networks Division 6 | N/A |
| 2023-05-17 19:15:0017/05/2023 | Oldcastle United FC | 4 - 1 | Albion Rovers FC | Youths Eolas Technologies Division 2 | N/A |
| 2023-05-14 10:00:0014/05/2023 | Borora Juniors AFC | 3 - 7 | Oldcastle United FC | 13 ETL Networks D2 | N/A |
| 2023-05-08 19:00:0008/05/2023 | Oldcastle United FC | 1 - 2 | Borora Juniors AFC | 12 ETL Networks Division 6 | N/A |
| 2023-05-07 10:00:0007/05/2023 | Oldcastle United FC | 4 - 4 | Athboy Celtic FC | 13 ETL Networks D2 | N/A |
| 2023-05-06 11:30:0006/05/2023 | Newtown United FC | 6 - 2 | Oldcastle United FC | 12 ETL Networks Division 6 | N/A |
| 2023-04-23 14:00:0023/04/2023 | Ballivor FC | 14:00:002:00 pm | Oldcastle United FC | Youths Eolas Technologies Division 2 | N/A |
| 2023-04-23 11:30:0023/04/2023 | Duleek AFC | 1 - 8 | Oldcastle United FC | 13 ETL Networks D2 | N/A |
| 2023-04-22 11:30:0022/04/2023 | Termonfeckin Celtic FC | 3 - 1 | Oldcastle United FC | 12 ETL Networks Division 6 | N/A |
| 2023-04-17 18:34:3417/04/2023 | Oldcastle United FC | 4 - 1 | Kells Celtic Youths FC | 12 ETL Networks Division 6 | N/A |
| 2023-04-16 14:00:0016/04/2023 | Oldcastle United FC | 2 - 2 | Raharney United AFC | Youths Eolas Technologies Division 2 | N/A |
| 2023-04-16 13:00:0016/04/2023 | Termonfeckin Celtic FC | 2 - 7 | Oldcastle United FC | 13 ETL Networks D2 | N/A |
| 2023-04-15 18:32:0415/04/2023 | Square United | 4 - 0 | Oldcastle United FC | 12 ETL Networks Division 6 | N/A |
| 2023-03-05 14:00:0005/03/2023 | Borora Juniors AFC | 5 - 0 | Oldcastle United FC | Youths Eolas Technologies Division 2 | N/A |
| 2023-03-05 10:30:0005/03/2023 | Oldcastle United FC | 1 - 4 | Bohermeen Celtic FC | 13 ETL Networks D2 | N/A |
