| Registered Name | Owner / Club | Status |
|---|---|---|
| Mullinarocken Lady | Declan Mc Carra Mullaghmore | Approved |
| Mullyash Power Free | Maire Byrne Ard Lu | Approved |
| Mullybrannon | Claire Glynn Corrib | Approved |
| Mullycar | Lorraine Kelly Castledermot | Approved |
| Mullyduff Minstrel Oscar | Tim Richmond Redhills | Approved |
| Mulroy Boy | Lauren Hendrick Carne | Approved |
| Multeen Lad | Michael O' Dwyer Newpark | Approved |
| Multi Prospect | Storm Oxley North Cork | Approved |
| Munhin Cuckoo | Breda Mulcahy East Cork | Approved |
| Munros Diamond | Jenny Curran Killcarrick | Approved |
| Munros Starlight Diamond | Jenny Curran Killcarrick | Approved |
| Muntertinney Nora | David Cunniffe Dalysgrove | Approved |
| Munthers Dignified | Sorcha O'Donovan West Cork | Approved |
| Murhaun Dancer | Paula Farrell Leitrim | Approved |
| Murph The Surf | Avena O'Keefe East Cork | Approved |