1964 General Election - Preston South
| Year | 1964 |
| General election | 1964 General Election |
| Constituency | Preston South |
| Turnout | 78.8% |
Results
| Candidate | Party | Votes |
| Mahon, Peter | Labour | 19,352 |
| Green, Alan | Conservative | 19,004 |
| Year | 1964 |
| General election | 1964 General Election |
| Constituency | Preston South |
| Turnout | 78.8% |
| Candidate | Party | Votes |
| Mahon, Peter | Labour | 19,352 |
| Green, Alan | Conservative | 19,004 |