| Registered Name | Owner / Club | Status |
|---|---|---|
| Three Colours Gold | Roslyn McConnell Tynagh | Approved |
| Three Girls And A Dolly | Lydia Bentley Mo Chara | Approved |
| Thrill Hill | Joann Maher Devils Bit | Approved |
| Thullanoone Ted | Andrea Doolan Highland Lodge | Approved |
| Thullnanoone Darragh | Aisling Faherty Westport | Approved |
| Thunderbar | Fiona Collins Meath | Approved |
| Thunderburd | Ruth Prenderville Foxborough | Approved |
| Thundering Tina | Sarah Barry Horetown | Approved |
| Thy Will Be Dun | Lisa Rothwell Coole Lane | Approved |
| Thyne Will Tell | Sue Corish Carne | Approved |
| Ti Amo Darcy | Aisling McGrath Corrib | Approved |
| Tia After Dark (IRE) | Susan Maher Mullingar | Approved |
| Tia Coupe | Diane Carslake Mullingar | Approved |
| Tia French Flower | Aimee Murray Foxborough | Approved |
| Tia Hill of Down | Caoilfhionn Rynne Abbeylands | Approved |