| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2018 | Premier Division | 24 | 2151 | 1 | 0 | 0.04 | — |
| 2019 | Premier Division | 33 | 2732 | 0 | 0 | 0 | — |
| 2020 | Premier Division | 3 | 270 | 0 | 0 | 0 | — |
| 2021 | Premier Division | 32 | 2839 | 1 | 0 | 0.03 | — |
| 2023 | Premier Division | 27 | 1951 | 0 | 0 | 0 | 6.72 |
| 2024 | Premier Division | 2 | 75 | 0 | 0 | — | 6.99 |
| 2025 | Premier Division | 21 | 1786 | 1 | 0 | 0.05 | 7.04 |
| 2026 | Premier Division | 22 | 1928 | 4 | 1 | 0.23 | 7.09 |
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 2026-08-02
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Drogheda United | 6 | 0 | 3 | 3 | 0 | 0 | 0 | 0 |
 St Patrick's | 6 | 1 | 0 | 5 | 0 | 0 | 1 | 0 |
 Galway United | 5 | 3 | 1 | 1 | 0 | 0 | 1 | 1 |
 Shamrock Rovers | 4 | 1 | 1 | 2 | 1 | 0 | 1 | 0 |
 Bohemians | 4 | 1 | 1 | 2 | 1 | 0 | 0 | 0 |
 Waterford United | 4 | 3 | 0 | 1 | 0 | 0 | 2 | 0 |
 Hibernian | 3 | 0 | 1 | 2 | 0 | 0 | 0 | 0 |
 Livingston | 3 | 2 | 1 | 0 | 0 | 0 | 0 | 0 |
 Aberdeen | 3 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
 Shelbourne | 3 | 0 | 1 | 2 | 0 | 0 | 2 | 0 |
 Inverness CT | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
 Dundee United | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
 Dundee | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 |
 Motherwell | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
 Hearts | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Sligo Rovers | 2 | 0 | 1 | 1 | 0 | 0 | 1 | 0 |
 Finn Harps | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 |
 Derry City | 2 | 0 | 0 | 2 | 0 | 0 | 1 | 0 |
 Dundalk | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Celtic | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
John Mahon closed the 2026 Premier Division campaign on 4 goals and 1 assist from 22 outings (1,928 minutes) — 0.23 goal involvements per 90. His average match rating for that season computes to 7.09.
The record shows 8 league seasons for him (2018–2026) across 4 clubs. The rating peak is now: 7.09 in 2026, against a career low of 6.72 in 2023.
