Forward · #39
Mark O’Mahony
AGE21
BORN14 Jan 2005
NATIONALITYRepublic of Ireland
BIRTHPLACERepublic of Ireland
SEASONS5
CAREER
Season by season
| SEASON | CLUB | COMP | APPS | MIN | GOALS | AST | RTG | YC | RC |
|---|---|---|---|---|---|---|---|---|---|
| 2026-27 |  Brighton U21 | EFL Trophy | 1 | 90 | 1 | 0 | 6.71 | 1 | 0 |
| 2026-27 |  Burton Albion | League One | 1 | 8 | 0 | 0 | 6.81 | 0 | 0 |
| 2025-26 |  Reading | League One | 16 | 511 | 0 | 0 | 6.29 | 1 | 0 |
| 2025-26 |  Republic of Ireland U21 | UEFA U21 Championship - Qualification | 4 | 60 | 0 | – | – | 0 | 0 |
| 2025-26 | Reading | League Cup | 3 | 138 | 0 | 0 | 6.23 | 0 | 0 |
| 2024-25 |  Portsmouth | Championship | 13 | 593 | 3 | 0 | 6.58 | 1 | 0 |
| 2024-25 |  Republic of Ireland U19 | UEFA U19 Championship - Qualification | 3 | 269 | 2 | – | – | 0 | 0 |
| 2024-25 |  Brighton | League Cup | 1 | 81 | 1 | 0 | 7.20 | 0 | 0 |
| 2023-24 | Brighton U21 | Premier League 2 Division One | 11 | 902 | 10 | – | – | 1 | 0 |
| 2023-24 | Republic of Ireland U19 | UEFA U19 Championship - Qualification | 6 | 292 | 3 | – | – | 0 | 0 |
| 2023-24 | Brighton U21 | EFL Trophy | 4 | 360 | 0 | – | 6.53 | 0 | 0 |
| 2023-24 | Brighton U21 | Premier League Cup | 4 | 210 | 4 | – | – | 1 | 0 |
| 2023-24 | Brighton U21 | Premier League International Cup | 4 | 390 | 4 | – | – | 1 | 0 |
| 2023-24 | Brighton | Premier League | 3 | 62 | 0 | – | 6.40 | 1 | 0 |
| 2022-23 |  Cork City | First Division | 11 | 378 | 0 | – | – | 0 | 0 |
| 2022-23 | Brighton U21 | Premier League 2 Division One | 10 | 541 | 4 | – | – | 0 | 0 |
| 2022-23 |  Republic of Ireland U17 | UEFA U17 Championship - Qualification | 6 | 439 | 4 | – | – | 0 | 0 |
| 2022-23 | Brighton U21 | Premier League International Cup | 2 | 119 | 0 | – | – | 0 | 0 |
| 2022-23 | Cork City | FAI Cup | 1 | 17 | 0 | – | – | 0 | 0 |
| TOTAL | 104 | 5,460 | 36 | 0 |
TRANSFERS
Moves & transfer history
- Brighton → Burton Albion31 Aug 2026LOAN
- Reading → Brighton29 Jun 2026RETURN FROM LOAN
- Brighton → Reading30 Jun 2025LOAN
- Portsmouth → Brighton29 Jun 2025RETURN FROM LOAN
- Portsmouth → Brighton1 Jun 2025N/A
- Brighton → Portsmouth28 Aug 2024LOAN
- Cork City → Brighton U2129 Jan 2023N/A
AVAILABILITY
Injury & absence history
- Groin Injury21 Feb 2025 → 28 Feb 2025
- Hip Injury1 Dec 2024 → 5 Feb 2025
- Unknown15 Sept 2024 → 27 Sept 2024
HONOURS
Trophies won
1× WINNERFirst Division2022
Also 1 runner-up finish.