October 1974 General Election - Armagh
| Year | 1974 |
| General election | October 1974 General Election |
| Constituency | Armagh |
| Turnout | 68.6% |
Results
| Candidate | Party | Votes |
| McCusker, Harold | UUP | 37,518 |
| Mallon, Seamus | SDLP | 19,855 |
| McGurran, Malachy | Republican Clubs | 5,138 |