Brian Cowen
| Election | Party | Share | 1st Pref | Quotas | Elected |
| 1984 bye-election - Laois–Offaly |  | 54.7% | 26022 | 1.09 |  |
| 1985 Local Election - Tullamore | | 22.9% | 1844 | 1.60 | |
| 1987 general election - Laois–Offaly | | 16.3% | 9168 | 0.98 | |
| 1989 general election - Laois–Offaly | | 13.6% | 7103 | 0.81 | |
| 1991 Local Election - Tullamore | | 15.0% | 1141 | 1.05 | |
| 1992 general election - Laois–Offaly | | 18.9% | 10117 | 1.13 | |
| 1997 general election - Laois–Offaly | | 18.7% | 10865 | 1.12 | |
| 2002 general election - Laois–Offaly | | 19.8% | 12529 | 1.19 | |
| 2007 general election - Laois–Offaly | | 26.7% | 19102 | 1.60 | |