Cavan–Monaghan: 1977 general election
| Seat | Party | Candidate | Share | ||
|---|---|---|---|---|---|
| 1 |  | 16.4% | |||
| 2 |  | 16.2% | |||
| 3 | | 15.5% | |||
| 4 | | 10.8% | |||
| 5 | | 11.3% | |||
| 10.4% | ||||
| 8.8% | ||||
| 5.7% | ||||
 | 3.6% | ||||
 | 1.3% | ||||
| 0.2% |
| Electorate: 69941 | Valid: 56025 |
| Seat | Party | Candidate | Share | ||
|---|---|---|---|---|---|
| 1 | | 16.4% | |||
| 2 | | 16.2% | |||
| 3 | | 15.5% | |||
| 4 | | 10.8% | |||
| 5 | | 11.3% | |||
| 10.4% | ||||
| 8.8% | ||||
| 5.7% | ||||
| 3.6% | ||||
| 1.3% | ||||
| 0.2% |
| Electorate: 69941 | Valid: 56025 |