1857 General Election - Mayo
| Year | 1857 |
| General election | 1857 General Election |
| Constituency | Mayo |
| Turnout | 73.0% |
Results
| Candidate | Party | Votes |
| Palmer, Roger William Henry | Conservative | 1,225 |
| Moore, George Henry | Independent Irish | 1,150 |
| Higgins, George Gore Ousley | Whig | 1,037 |