| Registered Name | Owner / Club | Status |
|---|---|---|
| Samona | Valerie Crean Barrow Valley | Approved |
| Samson Slaney | Lorraine Kelly Castledermot | Approved |
| Samsons Tricks | Liz Keegan Killossery | Approved |
| Samuel Milton | Martina McGrath Coolbell | Approved |
| Samurais Spirit | Marie Comiskey Foxborough | Approved |
| San Antonio | Erica Masterson Castle Hill | Approved |
| San Francisco Bay | Mandy Hayden Tinahely | Approved |
| San Marino Mr | Sarah Slattery Tynagh | Approved |
| San Pedro | Ximena Hamer Barnacarroll | Approved |
| Sanatone Amber | Ellen Duggan Three Rocks | Approved |
| Sancisco Bay | Marion Miley Hollybrook | Approved |
| Sand Castle | Anne Burns Mosstown | Approved |
| Sand Dunes Duchess | Anita McNamara Castle Hill | Approved |
| Sandbrook Girl | Aoife Drennan Warrington | Approved |
| Sandbrook Ibn | Angela McStay Russellstown | Approved |