1865 General Election - Derby
| Year | 1865 |
| General election | 1865 General Election |
| Constituency | Derby |
| Turnout | 70.6% |
Results
| Candidate | Party | Votes |
| Cox, William Thomas | Conservative | 1,096 |
| Bass, Michael Thomas | Liberal | 1,063 |
| Plimsoll, Samuel | Liberal | 691 |
| Beale, Samuel | Liberal | 608 |