| Season | Team | Competition | MP | G | A | Rating | ||
|---|---|---|---|---|---|---|---|---|
| 2026 | Shelbourne | Premier Division | 7 | 0 | 0 | 1 | 0 | 6.7 |
| 2025 | Shelbourne | Premier Division | 10 | 0 | 1 | 4 | 0 | 6.9 |
| 2024 | Shelbourne | Premier Division | 19 | 0 | 0 | 10 | 0 | 6.9 |
| 2023 | Shamrock Rovers | Premier Division | 2 | 0 | 0 | 1 | 0 | 6.7 |
| 2022 | Shamrock Rovers | Premier Division | 26 | 1 | 0 | 4 | 0 | – |
| 2021 | Shamrock Rovers | Premier Division | 34 | 2 | 0 | 4 | 0 | – |
| 2020 | Dundalk | Premier Division | 15 | 0 | 0 | 1 | 0 | – |
| 2019 | Dundalk | Premier Division | 33 | 1 | 0 | 1 | 0 | – |
| 2018 | Dundalk | Premier Division | 26 | 1 | 0 | 1 | 0 | – |
| 2017 | Dundalk | Premier Division | 25 | 2 | 0 | 1 | 0 | – |
| 2016 | Dundalk | Premier Division | 26 | 0 | 0 | 4 | 0 | – |
| 2015 | Dundalk | Premier Division | 32 | 1 | 0 | 7 | 0 | – |
| 2014 | Dundalk | Premier Division | 33 | 2 | 0 | 0 | 0 | – |
| 2013 | St. Patricks | Premier Division | 10 | 0 | 0 | 0 | 0 | – |
| Total | 298 | 10 | 1 | 39 | 0 | – | ||
| Fecha | Desde | Hacia | Tipo | |
|---|---|---|---|---|
| 01 ene 2024 | Shamrock Rovers | Shelbourne | Free agent | |
| 01 ene 2021 | Dundalk | Shamrock Rovers | Free agent | |
| 01 ene 2014 | St. Patricks | Dundalk | Free agent | |
| 01 ene 2013 | Shamrock Rovers | St. Patricks | Free agent |
S. Gannon career history shows progression across clubs and competitions, including club timeline, national team appearances and overall career totals.