| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2023 | First Division (Ireland) | 4 | 295 | 0 | 0 | 0 | — |
| 2024 | First Division (Ireland) | 11 | 479 | 0 | 0 | 0 | — |
| 2025 | First Division (Ireland) | 2 | 18 | 0 | 0 | — | 6.54 |
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.
Cohort: 55 First Division (Ireland) midfielders, 2024, min. 450 minutes. Computed by ranking the full league corpus, not taken from any feed.
Figures computed from the GioScore season-stats database · as of 2026-09-03
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Finn Harps | 2 | 1 | 1 | 0 | 0 | 0 | 1 | 0 |
 Longford Town | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
 Wexford Youths | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 Galway United | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Bray Wanderers | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Waterford United | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 UCD | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Athlone Town | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Treaty United | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Kerry | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
Over 11 First Division (Ireland) games in 2024 (479 minutes), Tiernan O'Brien recorded no direct goal contributions. Ranked among 55 First Division (Ireland) midfielders (2024, at least 450 minutes), Tiernan O'Brien lands in the 35th percentile for goal involvements per 90 — goals rank: 35th of 52.
The database holds 3 league seasons for them, from 2023 to 2025, all with a single club.
