| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2021 | First Division (Ireland) | 21 | 1783 | 3 | 0 | 0.15 | 0 |
| 2022 | Premier Division | 3 | 182 | 0 | 0 | 0 | — |
| 2023 | Premier Division | 5 | 167 | 0 | 0 | 0 | 6.48 |
| 2024 | First Division (Ireland) | 6 | 437 | 1 | — | 0.21 | — |
Domestic league competitions only (SportMonks sub_type='domestic'); national-team, continental and cup competitions are excluded. Classification resolved by league id against the canonical leagues index. G+A/90 computed from minutes actually played.
Figures computed from the GioScore season-stats database · as of 2026-09-22
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Drogheda United | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 Shamrock Rovers | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Galway United | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Cork City | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Bohemians | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Shelbourne | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Sligo Rovers | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Cabinteely | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Derry City | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Bray Wanderers | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 St Patrick's | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Dundalk | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Waterford United | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 0 |
 Athlone Town | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Wexford Youths | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Kerry | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
Harvey O'Brien logged 6 appearances (437 minutes) in the 2024 First Division (Ireland).
His league career on record ran from 2021 to 2024: 4 seasons, all with a single club. 2023 stands as his highest-rated season (6.48, Premier Division), with 2021 the weakest (0).
By competition, the recorded league record breaks down across 2 domestic leagues: First Division (Ireland) (27 appearances, 4 goals) and Premier Division (8 appearances, 0 goals).
