| Registered Name | Owner / Club | Status |
|---|---|---|
| Slanduff Bell X1 | Aoife Madigan Hollybrook | Approved |
| Slaney Developments Action Man | Fiona Kiernan Benbulben | Approved |
| Slaneyside Flight | Claire Atkinson Ballycanew | Approved |
| Sledger | Paul O'Leary Carrickmines | Approved |
| Sleehaun Dancer | Gerry Whyte Mosstown | Approved |
| Sleehaun Diamond | Gerry Whyte Mosstown | Approved |
| Sleehaun Fine Addition | Gerry Whyte Mosstown | Approved |
| Sleehaun Magic | Gerry Whyte Mosstown | Approved |
| Sleehaun Master Mind | Gerry Whyte Mosstown | Approved |
| Sleehaun Ninja | Gerry Whyte Mosstown | Approved |
| Sleehaun Showtime | Edel Whyte Mosstown | Approved |
| Sleehaun Silver Crest | Gerry Whyte Mosstown | Approved |
| Slemish Cavalier Two Step | Emma Curren Alcorn Donegal Gaeltacht | Approved |
| Slewnauns Ella | Maeve O'Neill Burren | Approved |
| Sliabh Bloom Miss Molly | Fergus Ryan Lisduff | Approved |