1918 General Election - South Monaghan
| Year | 1918 |
| General election | 1918 General Election |
| Constituency | South Monaghan |
| Turnout | 73.8% |
Results
| Candidate | Party | Votes |
| tSaoi, Seán Mac an | Sinn Féin | 7,524 |
| Campbell, Thomas Joseph | Irish Parliamentary | 4,413 |
| Year | 1918 |
| General election | 1918 General Election |
| Constituency | South Monaghan |
| Turnout | 73.8% |
| Candidate | Party | Votes |
| tSaoi, Seán Mac an | Sinn Féin | 7,524 |
| Campbell, Thomas Joseph | Irish Parliamentary | 4,413 |