| Registered Name | Owner / Club | Status |
|---|---|---|
| Marston Man (IRE) | Tessa Gunn Clonmel | Approved |
| Martha | Jessica Fryday Annaharvey | Approved |
| Martino | Elaine Breen Rock of Cashel | Approved |
| Martys Lady | Colin Beades Kilronan | Approved |
| Marvick | Patrick J Murphy Earl's Well | Approved |
| Marwood King | Meadhbh Woods Killcarrick | Approved |
| Mary III | Lynn Webster Nantwich (BRC) | Approved |
| Mary's Man | Hazel Tuthill Drumcoura | Approved |
| Marys Colleen | Mary Hennessy Newpark | Approved |
| Marys Spartacus | Aisling Fitzell Newpark | Approved |
| Mask Six | Celine Martin Killossery | Approved |
| Masons Honour | Ashling O'Brien Barrow Valley | Approved |
| Massini's Trap (IRE) | Stephanie McGlynn Oakleaf | Approved |
| Master Bay | Anne Marie Mc Swiggan Acorn | Approved |
| Master Bozley | Evelyn Healion Kilrainy | Approved |