1859 General Election - Sligo Borough
| Year | 1859 |
| General election | 1859 General Election |
| Constituency | Sligo Borough |
| Turnout | 70.1% |
Results
| Candidate | Party | Votes |
| Wynne, John Arthur | Conservative | 177 |
| Somers, John Patrick | Liberal | 73 |
| Treston, Lucas Alexander | Liberal | 3 |