| Registered Name | Owner / Club | Status |
|---|---|---|
| Tricky Trevor | Louise Casey Three Counties | Approved |
| Trieneragh Lady | Kieran Morrin Greenvalley | Approved |
| Trigger Joe | Lindsey Ilona Brady Castle Hill | Approved |
| Trigger Too | Alison Mortell Mullingar | Approved |
| Triggered | Martina Hanly Sarsfield | Approved |
| Trinity Clover | Niamh Costello Nuenna Farm | Approved |
| Trinity Too | Jenny Doran Ashbrook | Approved |
| Tripalot (IRE) | Hazel Burke Ballycanew | Approved |
| Triple Salchow | Melanie Love Mullingar | Approved |
| Triple Threat | John Gavin Ashbrook | Approved |
| Tristinagh Boy | Lorna Coffey Ross House | Approved |
| Trition | Patrick Goland Ballycanew | Approved |
| Triumph Of The Spirit | Kerri Goodison Ross House | Approved |
| Trivium | PAUL GILLILAND Border Counties | Approved |
| Troublegum | Amelia Walsh Deerpark | Approved |