| Season | 1909–10 |
|---|---|
| Champions | Cliftonville (2nd title) |
| Promoted | none |
| Relegated | none |
| Matches played | 56 |
| Goals scored | 160 (2.86 per match) |
|
← 1908–09
1910–11 →
|
|
The Irish League in season 1909–10 comprised 8 teams, and Cliftonville won the championship.