October 1974 General Election - Gainsborough
| Year | 1974 |
| General election | October 1974 General Election |
| Constituency | Gainsborough |
| Turnout | 74.7% |
Results
| Candidate | Party | Votes |
| Kimball, Marcus | Conservative | 19,163 |
| Blackmore, Roger | Liberal | 15,195 |
| Lansbury, T | Labour | 11,797 |