| Name | Position | Party | Constituency |
|---|---|---|---|
| Paddy McCartan | Councillor | Fine Gael | Pembroke |
| Susan McCarthy | Councillor | Fine Gael | Midleton |
| Ciarán McCarthy | Former Representative | Social Democrats | |
| Michael McCarthy | Councillor | Labour | Castlecomer |
| Pat McCarthy | Former Representative | Fine Gael | |
| Kieran McCarthy | Councillor | Independent | Cork City South-East |
| Noel McCarthy | Councillor | Fine Gael | Fermoy |
| Lettie McCarthy | Councillor | Labour | Glencullen-Sandyford |
| Rachel McCarthy | Former Representative | Sinn Féin | |
| Kieran McCarthy | Former Representative | Sinn Féin | |
| Michael McCarthy | Former Representative | Fianna Fáil | |
| Dan McCarthy | Councillor | Independent | Kenmare |
| John McCartin | Former Representative | Fine Gael | |
| Michael McClafferty | Councillor | Fine Gael | Glenties |
| Caitriona McClean | Former Representative | Fianna Fáil | |
| Jimmy McClearn | Councillor | Fine Gael | Loughrea |
| Anne McCloskey | Former Representative | Aontú | |
| Aoife McCoeey | Councillor | Fianna Fáil | Carrickmacross-Castleblayney |
| Charlie McConalogue | TD | Fianna Fáil | Donegal |
| Niall McConnell | Former Representative | Independent | |
| Tony McCormack | Councillor | Unknown | Tullamore |
| Vinny McCormack | Councillor | Fianna Fáil | Moate |
| Eimer McCormack | Councillor | Fianna Fáil | Cabra - Glasnevin |
| Lynn McCrave | Councillor | Fine Gael | Rathfarnham Templeogue |
| Malachy McCreesh | Former Representative | Sinn Féin | |
| James Pat McDaid | Former Representative | Fianna Fáil | |
| Liam McDaniel | Councillor | Fianna Fáil | Moate |
| Marty McDermott | Councillor | Unknown | Roscommon |
| Martin McDermott | Councillor | Fianna Fáil | Carndonagh |
| Mick McDermott | Former Representative | Direct Democracy Ireland - National Citizens Movement |