1900 General Election - South Roscommon
| Year | 1900 |
| General election | 1900 General Election |
| Constituency | South Roscommon |
| Turnout | Election uncontested |
Results
| Candidate | Party |
| Hayden, John Patrick | Irish Parliamentary |
| Year | 1900 |
| General election | 1900 General Election |
| Constituency | South Roscommon |
| Turnout | Election uncontested |
| Candidate | Party |
| Hayden, John Patrick | Irish Parliamentary |