1857 General Election - Antrim
| Year | 1857 |
| General election | 1857 General Election |
| Constituency | Antrim |
| Turnout | 54.6% |
Results
| Candidate | Party | Votes |
| Pakenham, Thomas Henry | Conservative | 4,686 |
| Macartney, George Hume | Conservative | 4,341 |
| O'Hara, Henry Hutchinson Hamilton | Whig | 1,533 |