Seamus Brennan
| Election | Party | Share | 1st Pref | Quotas | Elected |
| 1977 Seanad Election - Nominated by the Taoiseach |  |  | |||
| 1981 general election - Dublin South | | 15.3% | 7779 | 0.92 | |
| 1982 (Feb) general election - Dublin South | | 15.7% | 8055 | 0.94 | |
| 1982 (Nov) general election - Dublin South | | 13.8% | 7219 | 0.83 | |
| 1985 Local Election - Rathfarnham | | 25.0% | 1957 | 1.25 | |
| 1987 general election - Dublin South | | 17.3% | 9940 | 1.04 | |
| 1989 general election - Dublin South | | 25.7% | 13927 | 1.54 | |
| 1992 general election - Dublin South | | 15.2% | 9074 | 0.91 | |
| 1997 general election - Dublin South | | 15.3% | 8861 | 0.92 | |
| 2002 general election - Dublin South | | 16.9% | 9326 | 1.01 | |
| 2007 general election - Dublin South | | 21.8% | 13373 | 1.31 | |