| Registered Name | Owner / Club | Status |
|---|---|---|
| Thomastown Harold | Amy Murphy The Rower | Approved |
| Thomastown Lady Grey | Sarah Dollard Killcarrick | Approved |
| Thomond Lad | Terry Nolan Coole Lane | Approved |
| Thornbrook Coloured Maddy | Caitlin Steel South West | Approved |
| Thornbrook Ginger | Anthony Villar Ballycanew | Approved |
| Thorndale Elizabeth | Karen Gibney Copperfield | Approved |
| Thorndale Melody | Louise Lynn Foxborough | Approved |
| Thornfield Dubh | Danielle Murphy Arderin | Approved |
| Thornfield Flo | Mary McMahon Benbulben | Approved |
| Thornfield Isabelle | Lawrence Raftery South Roscommon | Approved |
| Thornfield Roe | Christina Knowles Cheval | Approved |
| Thornhill Cinderella | Jacqui Boland Killossery | Approved |
| Thornhill Pippa | Amy Bourke Boru's | Approved |
| Thornton Tiny Dancer | Siobhan O'Hara Foxborough | Approved |
| Three Amigos | Christine Moore Killossery | Approved |