1865 General Election - South Essex
| Year | 1865 |
| General election | 1865 General Election |
| Constituency | South Essex |
| Turnout | 53.9% |
Results
| Candidate | Party | Votes |
| Selwin, Henry John | Conservative | 2,817 |
| Gascoyne-Cecil, Eustace Brownlow Henry | Conservative | 2,710 |
| Winfield-Baker, Richard Baker | Liberal | 2,382 |