Cavan–Monaghan: 1987 general election
to Fianna Fáil | to Fine Gael | to Sinn Féin | to Independent | to Workers' Party | ||
| from Sinn Féin | | 2195 (76.7%) | 668 (23.3%) | |||
| from Independent | | 1085 (47.2%) | 766 (33.3%) | 369 (16.0%) | 54 (2.3%) | 26 (1.1%) |
| from Workers' Party | | 214 (37.9%) | 136 (24.1%) | 85 (15.1%) | 129 (22.9%) |