| Registered Name | Owner / Club | Status |
|---|---|---|
| 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 |
| Ubert (KWPN) | James Breslin Meath | Approved |
| UC Tamworth | Miriam Davies Tinahely | Approved |
| Udo | Natasha Brotherton Kennedy Golden Grove | Approved |
| Uggool Fionn | Gill Phipps Calliaghstown | Approved |
| Uisce Babha | Rebecca Bowes Boru's | Approved |
| Uisce Beatha | Aisleen Keenan Ard Lu | Approved |
| Uisneagh Camus | Tony Ennis Anvil | Approved |
| Uline W | Lyndsey Walters Clonough | Approved |
| Ulverton Star | Jennifer Johnson Calliaghstown | Approved |