| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2010 | First Division (Ireland) | 4 | — | 0 | — | — | — |
| 2011 | First Division (Ireland) | 8 | — | 0 | — | — | — |
| 2013 | Premier Division | 13 | — | 0 | — | — | — |
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 2026-09-03
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Shamrock Rovers | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Bohemians | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Shelbourne | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Derry City | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Bray Wanderers | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 St Patrick's | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Dundalk | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 UCD | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Crvena Zvezda | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Apollon | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Salthill Devon | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
Across the 2013 Premier Division, Brian O'Callaghan totalled 13 appearances.
3 league seasons (2010–2013) across 2 clubs made up his recorded career.
By competition, the recorded league record breaks down across 2 domestic leagues: Premier Division (13 appearances) and First Division (Ireland) (12 appearances).
