Mark O’Mahony · career
Mark O’Mahony
Center Forward · Brighton · season-by-season, by competition, and every match.
Career report
Past his 2024/25 peak — the recent trend is downward, so buyers are paying for what's left, not what was.
Peak: 2024/25Trending down
The record covers 3 seasons (2024/25–2025/26) across 3 clubs — 32 appearances, 3 goals and 0 assists.
His best campaign on record is 2024/25 at Portsmouth — Season rating 9, 3 goals and 0 assists in 13 games. Form has slipped 9 Season points across his last 2 full seasons. The gap to his peak is 9 Season points.
By season
| Season | Club | Apps | G | A | Rating | Season |
|---|---|---|---|---|---|---|
| 2026/27 | Brighton U21 | 1 | 1 | 0 | — | — |
| 2025/26 | ReadingLoan | 16 | 0 | 0 | 41 | 0 |
| 2024/25 | PortsmouthLoan | 13 | 3 | 0 | 63 | 9 |
| 2024/25 | Brighton | 1 | 1 | 0 | — | — |
| 2023/24 | Brighton U21 | 11 | 10 | 0 | — | — |
| 2023/24 | Brighton | 3 | 0 | 0 | 72 | 0 |
| 2022/23 | Cork City | 11 | 0 | 0 | — | — |
| 2022/23 | Brighton U21 | 10 | 4 | 0 | — | — |
International
| Side | Season | Competition | Apps | G |
|---|---|---|---|---|
| Republic of Ireland U21 | 2025/26 | UEFA U21 Championship - Qualification | 4 | 0 |
| Republic of Ireland U19 | 2024/25 | UEFA U19 Championship - Qualification | 3 | 2 |
| 2023/24 | UEFA U19 Championship - Qualification | 6 | 3 | |
| Republic of Ireland U17 | 2022/23 | UEFA U17 Championship - Qualification | 6 | 4 |
Honours
First DivisionMunster Senior Cup
By competition
| Competition | Apps | Min | G | A | Rating |
|---|---|---|---|---|---|
| EFL Trophyat Brighton U21 | 1 | 90 | 1 | 0 | 6.6 |
Schedule · 2026/27
0 played6 not in squad· 0 min, 0g 0a
Also spent part of this season at Reading — those games aren't in this club's schedule.
| Date | Competition | Opponent | Res | Status | Min | G | A | Rating |
|---|---|---|---|---|---|---|---|---|
| Aug 1 | Friendlies Clubs | H Strasbourg | 4-3 | Not in squad | — | |||
| Aug 8 | Friendlies Clubs | H AS Roma | 3-0 | Not in squad | — | |||
| Aug 15 | Friendlies Clubs | H Bologna | 1-0 | Not in squad | — | |||
| Aug 20 | UEFA Europa Conference League | A Tromso | 0-0 | Not in squad | — | |||
| Aug 23 | Premier League | H Aston Villa | 4-0 | Not in squad | — | |||
| Aug 27 | UEFA Europa Conference League | H Tromso | 4-0 | Not in squad | — |