| Name | Position | Party | Constituency |
|---|---|---|---|
| Padraig Mac an Iomaire | Councillor | Unknown | Conamara South |
| Mícheál Mac Donncha | Councillor | Sinn Féin | Donaghmede |
| Briege Mac Oscar | Councillor | Fianna Fáil | Ballymun - Finglas |
| Fiachra Mac Raghnaill | Councillor | Labour | Drogheda Urban |
| Micheál Cholm MacGiolla Easbuig | Councillor | Independent | Glenties |
| Padraig MacLochlainn | TD | Sinn Féin | Donegal |
| Chris MacManus | Councillor | Sinn Féin | Sligo-Strandhill |
| Marc MacSharry | TD | Fianna Fáil | Sligo-Leitrim |
| Tom MacSharry | Councillor | Fianna Fáil | Sligo-Strandhill |
| Tina MacVeigh | Councillor | People Before Profit | South West Inner City |
| Liam Madden | Councillor | Unknown | Mallow |
| Josepha Madigan | TD | Fine Gael | Dublin Rathdown |
| Grainne Maguire | Councillor | Independent | Balbriggan |
| Sinéad Maguire | Councillor | Fine Gael | Sligo-Strandhill |
| Michael Maher | Councillor | Fine Gael | Loughrea |
| John Maher | Councillor | Labour | Cork City North East |
| Kieran Mahon | Councillor | Solidarity | Tallaght Central |