1865 General Election - Portarlington
| Year | 1865 |
| General election | 1865 General Election |
| Constituency | Portarlington |
| Turnout | 76.4% |
Results
| Candidate | Party | Votes |
| Lawson, James Anthony | Liberal | 46 |
| Dawson-Damer, Lionel Seymour William | Conservative | 35 |
| Year | 1865 |
| General election | 1865 General Election |
| Constituency | Portarlington |
| Turnout | 76.4% |
| Candidate | Party | Votes |
| Lawson, James Anthony | Liberal | 46 |
| Dawson-Damer, Lionel Seymour William | Conservative | 35 |