| Registered Name | Owner / Club | Status |
|---|---|---|
| Twos Company | Suzanne McGee Calliaghstown | Approved |
| Tykillen Dantzig | Aisling Quinn Carne | Approved |
| Tykillen Jazz | Ciara Kinsella Carne | Approved |
| Tykillen Livewire | Ciara Kinsella Carne | Approved |
| Tykillen Top That | Ciara Kinsella Carne | Approved |
| Tyler Hill | Ruth Stack Tir Conaill | Approved |
| Tymphanys Last Song | Jennifer Burke Benbulben | Approved |
| Tynagh Pixie | Laura Timoney Ross House | Approved |
| Tynnan Dominic Blue | Anna Larkin Ard Lu | Approved |
| Typical Ted | Liam Dillon Mosstown | Approved |
| Tyrladen Lady | Enda McCarry Tir Conaill | Approved |
| Tyrone | John McDaid Donegal Gaeltacht | Approved |
| Tyrone Lass | Riikka Soininen Broadmeadow | Approved |
| Tyson | Kieran Morrin Greenvalley | Approved |
| U Been Spotted | Caley Dear Kelly Killcarrick | Approved |