October 1974 General Election - Thornaby
| Year | 1974 |
| General election | October 1974 General Election |
| Constituency | Thornaby |
| Turnout | 72.3% |
Results
| Candidate | Party | Votes |
| Wrigglesworth, Ian | Labour | 22,130 |
| Sutcliffe, John | Conservative | 17,482 |
| Tennant, R | Liberal | 5,442 |