| Temporada | Equipo | Competición | PJ | G | A | Nota | ||
|---|---|---|---|---|---|---|---|---|
| 2026 | Shelbourne | Premier Division | 3 | 1 | 0 | 0 | 0 | 7.2 |
| 2025 | Shelbourne | Premier Division | 7 | 0 | 0 | 3 | 1 | 6.9 |
| 2024 | Shelbourne | Premier Division | 18 | 0 | 1 | 8 | 1 | 7.0 |
| 2023 | Shelbourne | Premier Division | 5 | 0 | 0 | 1 | 0 | 7.0 |
| 2022 | St. Patricks | Premier Division | 2 | 0 | 0 | 0 | 0 | – |
| 2021 | St. Patricks | Premier Division | 28 | 0 | 0 | 6 | 0 | – |
| 2020 | Indy Eleven | USL Championship | 1 | 0 | 0 | 1 | 0 | 6.9 |
| 2019 | Indy Eleven | USL Championship | 31 | 1 | 3 | 8 | 2 | – |
| 2018 | FC Cincinnati | USL | 18 | 1 | 0 | 5 | 0 | – |
| 2017 | Waterford | Division 1 | 4 | 0 | 0 | 1 | 0 | – |
| 2017 | Dundalk | Premier Division | 15 | 0 | 0 | 2 | 0 | – |
| 2016 | Dundalk | Premier Division | 16 | 3 | 0 | 1 | 0 | – |
| 2015 | Dundalk | Premier Division | 10 | 0 | 0 | 4 | 1 | – |
| 2014 | Galway | Premier Division | 1 | 1 | 0 | 0 | 0 | – |
| 2014 | Galway | Division 1 | 1 | 1 | 0 | 0 | 0 | – |
| 2014 | Waterford | Division 1 | 5 | 3 | 0 | 0 | 1 | – |
| Total | 165 | 11 | 4 | 40 | 6 | – | ||
| Fecha | Desde | Hacia | Tipo | |
|---|---|---|---|---|
| 01 ene 2023 | St. Patricks | Shelbourne | Free agent | |
| - | Svay Rieng | St. Patricks | Free agent | |
| - | Indy Eleven | Svay Rieng | Free agent | |
| 12 may 2018 | FC Cincinnati | Indy Eleven | Free agent | |
| 01 ene 2018 | Dundalk | FC Cincinnati | ||
| - | Waterford | Dundalk | Return from loan | |
| - | Dundalk | Waterford | Loan | |
| 01 ene 2015 | Galway | Dundalk | Free agent | |
| - | Waterford | Galway | Free agent | |
| 02 oct 2014 | Dundee Utd | Waterford | Transfer | |
| 11 mar 2013 | Waterford | Dundee Utd | Return from loan | |
| 07 feb 2013 | Dundee Utd | Waterford | Loan | |
| 10 ene 2010 | Aberdeen | Dundee Utd | Transfer |
P. Barrett career history shows progression across clubs and competitions, including club timeline, national team appearances and overall career totals.