| Registered Name | Owner / Club | Status |
|---|---|---|
| Melody Boy | Lisa Mullen Ross House | Approved |
| Melody's Moment | Ciara Connolly Galway West | Approved |
| Melview Lad | Caroline Lynch Meath | Approved |
| Members Only | Fearghal Fleming Highland Lodge | Approved |
| Menacing Stare (IRE) | Hazel Burke Ballycanew | Approved |
| Meneval Moonshine | Carmel Finegan Border Counties | Approved |
| Menlough Classie | Michelle Rundle Kilotteran | Approved |
| Menno Fan Wetsensbosch | Aileen Byrne Oakleaf | Approved |
| Meranda | Philip Byrne Barnacarroll | Approved |
| Merlin XXVIII | Sheila Corrigan Knocknamana Country | Approved |
| Merlin's Magic Roundabout | Ingrid Dubrow Burren | Approved |
| Merlins Infinity | Stephanie Forde Corrib | Approved |
| Merlins Monarch | Stephanie Forde Corrib | Approved |
| Merlins Seduction | Stephanie Forde Corrib | Approved |
| Merlins Vixen | Stephanie Forde Corrib | Approved |