| Name | Position | Party | Constituency |
|---|---|---|---|
| Jerry Buttimer | Senator | Fine Gael | Labour Panel |
| John Buttimer | Councillor | Fine Gael | Cork City South-West |
| Tommy Byrne | Councillor | Fianna Fáil | Drogheda |
| Kevin Byrne | Councillor | Labour | Celbridge-Leixlip |
| Thomas Byrne | TD | Fianna Fáil | Meath East |
| Niamh Byrne | Councillor | Fine Gael | Connamara |
| Joe Byrne | Councillor | Fine Gael | Loughrea |
| Valerie Byrne | Councillor | Independent | Boyle |
| Maria Byrne | Senator | Fine Gael | Agricultural Panel |
| Claire Byrne | Councillor | Green Party | Pembroke-South Dock |
| Joanna Byrne | Councillor | Sinn Féin | Drogheda |
| Aoife Byrne | Former Representative | Fianna Fáil | |
| Catherine Byrne | TD | Fine Gael | Dublin South-Central |
| Eric Byrne | Former Representative | Labour | |
| Malcolm Byrne | Councillor | Fianna Fáil | Gorey |
| Des Cahill | Councillor | Fine Gael | Cork City South-East |
| Michael Cahill | Councillor | Independent | South and West Kerry |
| Jackie Cahill | TD | Fianna Fáil | Tipperary |
| Mick Cahill | Councillor | Fianna Fáil | Ballymahon |
| Richard Cahill | Former Representative | Independent | |
| Maíria Cahill | Former Representative | Labour | |
| Bernard Caldwell | Councillor | Independent | Celbridge-Leixlip |
| Mícheál Callaghan | Former Representative | Green Party | |
| Willie Callaghan | Former Representative | Fianna Fáil | |
| Liam Callaghan | Councillor | Unknown | Boyle |
| Deborah Callaghan | Councillor | Fianna Fáil | Naas |
| Kevin Callan | Councillor | Fine Gael | Drogheda |
| Dara Calleary | TD | Fianna Fáil | Mayo |
| Billy Cameron | Councillor | Labour | Galway City Central |
| Anne Campbell | Councillor | Sinn Féin | Dundalk South |