Brendan Ryan
Labour Party
| Election | Party | Share | 1st Pref | Quotas | Elected |
| 1981 Seanad Election - National University of Ireland |  |  | |||
| 1982 Seanad Election - National University of Ireland | | | |||
| 1983 Seanad Election - National University of Ireland | | | |||
| 1987 Seanad Election - National University of Ireland | | | |||
| 1989 Seanad Election - National University of Ireland | | | |||
| 1994 bye-election - Cork South–Central | | 6.2% | 2618 | 0.12 | |
| 1997 Seanad Election - National University of Ireland | | | |||
| 2002 general election - Cork South–Central | | 5.9% | 3282 | 0.36 | |
| 2002 Seanad Election - National University of Ireland | | 13.2% | 4264 | 0.53 | |
| 2004 European Election - South | | 4.1% | 19975 | 0.16 | |
| 2007 general election - Dublin North | | 9.6% | 5256 | 0.48 | |
| 2007 Seanad Election - Administrative Panel | | 12.1% | 129000 | 0.96 | |
| 2007 Seanad Election - National University of Ireland | | 9.1% | 3283 | 0.36 | |
| 2011 general election - Dublin North | | 19.9% | 9809 | 0.99 | |
| 2016 general election - Dublin Fingal | | 10.0% | 6009 | 0.60 | |
| 2024 Local Election - Balbriggan | | 14.5% | 1595 | 0.87 | |