| Registered Name | Owner / Club | Status |
|---|---|---|
| Supreme Matilda | Kate Doyle Brittas | Approved |
| Supreme Nel | Ger Penfold Lisduff | Approved |
| Supreme Sandy | Annette Walsh Russellstown | Approved |
| Suprise Package | Nessa Maguire Meath | Approved |
| Surgalstown Fly By Cruising | Tommy Parr Cheval | Approved |
| Surprise Hallo | John Gaynor South Roscommon | Approved |
| Sushi Warrior | Megan Delaney Friary | Approved |
| Susie | Joanna Mc Carthy Earl's Well | Approved |
| Susie Sunshine | Michael Freeley Greenvalley | Approved |
| Susie's Tiffin | Zohra Smyth Moyglare | Approved |
| SVE Com An Lochaigh | Katy Scott Kerry | Approved |
| SVS Broadway | Niamh Flanagan Barnacarroll | Approved |
| Swan View Mirah | Christina Knowles Cheval | Approved |
| Swanbach Basil (GBR) | Sandra Power Kerry | Approved |
| Swanbrook Lad | Dearbhaile Fitzsimons Round Tower | Approved |