February 1974 General Election - South Ayrshire
| Year | 1974 |
| General election | February 1974 General Election |
| Constituency | South Ayrshire |
| Turnout | 79.5% |
Results
| Candidate | Party | Votes |
| Sillars, James | Labour | 23,093 |
| Colquhoun, Robert | Conservative | 10,643 |
| Mullin, Roger | SNP | 6,612 |