| Registered Name | Owner / Club | Status |
|---|---|---|
| Stillbrook Billy Surprise | Ann Curran Nuenna Farm | Approved |
| Stillbrook Jessie J | Ann Curran Nuenna Farm | Approved |
| Stillbrook Jilly | Ann Curran Nuenna Farm | Approved |
| Stillbrook Lizzie | Brigid Neill Thomastown and District | Approved |
| Stillbrook Paddy | Ann Curran Nuenna Farm | Approved |
| Stillbrook Sandy Man | Ann Curran Nuenna Farm | Approved |
| Stillbrook Waterfall | Jenny Williams Thomastown and District | Approved |
| Stilo Danny | Mary Wemyss Warrington | Approved |
| Stone Crafter (IRE) | Tabitha Millar Hagerty Twinfort | Approved |
| Stonecroft Heather | Carly Anderson Cavallo | Approved |
| Stonehall (IRE) | Dylan Collins Earl's Well | Approved |
| Stonehall Jewel | Jill Booker Mullingar | Approved |
| Stonehavens Billie | Leanne Foskin Waterford | Approved |
| Stonehavens Buddy | Siobhan O'Gara Barnacarroll | Approved |
| Stonehavens Maizey | Nicki Russell Kilotteran | Approved |