| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2011 | First Division (Ireland) | 20 | — | 1 | 0 | — | — |
| 2012 | Premier Division | 26 | — | 0 | 0 | — | — |
| 2013 | Premier Division | 14 | — | 0 | 0 | — | — |
| 2014 | Premier Division | 21 | 580 | 2 | 0 | 0.31 | — |
| 2015 | Premier Division | 31 | — | 3 | 0 | — | — |
| 2016 | Premier Division | 21 | 589 | 2 | 0 | 0.31 | — |
| 2017 | Premier Division | 11 | — | 0 | 0 | — | — |
| 2018 | Premier Division | 18 | 968 | 4 | 0 | 0.37 | — |
| 2019 | Premier Division | 23 | 1056 | 6 | 1 | 0.6 | — |
| 2020 | Premier Division | 11 | 466 | 0 | 0 | 0 | — |
| 2021 | Premier Division | 20 | 1645 | 1 | 0 | 0.05 | — |
| 2022 | Premier Division | 10 | 659 | 0 | 0 | 0 | — |
| 2024 | Premier Division | 28 | 2127 | 2 | 1 | 0.13 | 7.1 |
| 2025 | Premier Division | 19 | 938 | 0 | 0 | 0 | 6.78 |
| 2025/2026 | Premiership | 10 | 714 | 0 | 0 | 0 | 6.5 |
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 2026-07-27
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Shamrock Rovers | 8 | 4 | 1 | 3 | 1 | 0 | 3 | 0 |
 Drogheda United | 8 | 3 | 1 | 4 | 0 | 0 | 1 | 0 |
 Waterford United | 8 | 3 | 1 | 4 | 0 | 0 | 0 | 0 |
 St Patrick's | 6 | 2 | 1 | 3 | 0 | 0 | 0 | 0 |
 Galway United | 5 | 2 | 1 | 2 | 0 | 0 | 0 | 0 |
 Shelbourne | 5 | 1 | 0 | 4 | 0 | 0 | 0 | 0 |
 Derry City | 5 | 1 | 2 | 2 | 1 | 0 | 0 | 0 |
 Cork City | 4 | 2 | 0 | 2 | 0 | 0 | 0 | 0 |
 Sligo Rovers | 4 | 2 | 1 | 1 | 0 | 0 | 0 | 0 |
 BATE | 4 | 1 | 1 | 2 | 0 | 0 | 0 | 0 |
 Bohemians | 3 | 1 | 1 | 1 | 0 | 0 | 1 | 0 |
 Arsenal | 2 | 0 | 0 | 2 | 0 | 0 | 1 | 0 |
 AZ | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 Molde | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 Legia Warszawa | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 Limerick | 2 | 1 | 0 | 1 | 1 | 0 | 0 | 0 |
 AEK Larnaca | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 Hajduk Split | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Ballymena United | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 |
 Rosenborg | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
John Mountney's 10 outings in the 2025/2026 Premiership (714 minutes) produced no goals and no assists. His average match rating for that season computes to 6.5.
His league record spans 15 seasons (2011–2025) across 5 clubs. His ratings range from 6.5 (2025/2026) up to 7.1 in 2024, Premier Division.
