| Year: | 1964 |
|---|---|
| General election: | 1964 General Election |
| Constituency: | South Down |
| Turnout: | 72.1% |
Results
| Candidate | Party | Votes |
| Orr, Lawrence Percy Story | UUP | 32922 |
| Mussen, George | Independent Republican | 11031 |
| Thompson, Samuel | NI Labour | 6260 |
| Gooding, Hamilton | Ulster Liberal | 5610 |