| Registered Name | Owner / Club | Status |
|---|---|---|
| Such A Lady | Ana Camara Abbeylands | Approved |
| Sudski | John Kenna Mo Chara | Approved |
| Sugar | Virginia O'Donovan North Cork | Approved |
| Sugar Damsel | Dave Lorenzo Winterdown | Approved |
| Sugarhill | GARETH DUNNE Tinahely | Approved |
| Suifinn | Geraldine Connor Benbulben | Approved |
| Suilini | Shirley Forder Twinfort | Approved |
| Suirside Mischief | Claire Atkinson Ballycanew | Approved |
| Suite Roxie | Breda McCarthy Knocknamana Country | Approved |
| Suite Silver | Breda McCarthy Knocknamana Country | Approved |
| Sullys Lad | Niamh Marsh Lismore | Approved |
| Sultan (KWPN) | Amanda Dakin Nantwich (BRC) | Approved |
| Sumas Bequest | Rebecca O' Toole Brooke Lodge | Approved |
| Sumas Talent | Aoife Healion Rathfarnham | Approved |
| Summer Bear | Diane Carslake Mullingar | Approved |