Joseph Brennan
| Election | Party | Share | 1st Pref | Quotas | Elected |
| 1948 general election - Dún Laoghaire and Rathdown |  | 12.3% | 3811 | 0.49 |  |
| 1951 general election - Dún Laoghaire and Rathdown |  | 12.6% | 4107 | 0.50 | |
| 1954 general election - Dún Laoghaire and Rathdown | | 13.5% | 5043 | 0.54 | |
| 1961 general election - Dún Laoghaire and Rathdown |  | 9.6% | 2926 | 0.48 |