| Registered Name | Owner / Club | Status |
|---|---|---|
| Tequila Rose | Lisa McGrath Nephin | Approved |
| Termon Captain | Brian Tuffy Nephin | Approved |
| Terracotta Splash | Margaret Scott Greenhills | Approved |
| Tessarru | Tammie O'Brien South West | Approved |
| Test Of Courage | Sandra Doody Killcarrick | Approved |
| Texas Diamond | Ciara O' Connell Dunamase | Approved |
| Texas Surf | Stacy Forsyth Drynam | Approved |
| Texas-Lukos | Lisa Noble Mill Road | Approved |
| TGS Two Tone | Abby McDaid Abbeylands | Approved |
| Thacka Brexit (GBR) | Una Morris Killegar | Approved |
| Thaddias Brown | Michael Butler Carne | Approved |
| Thamesford | Liz Power Abbeylands | Approved |
| That Friday Feelin | Heather Murphy Clonlara | Approved |
| That will do then | Mya O'Toole Greenvalley | Approved |
| The Alders Clovers Inferno | Georgia Drinan Dunbyrne | Approved |