| Registered Name | Owner / Club | Status |
|---|---|---|
| Il Grigio | Paula Farrell Killarney | Approved |
| Ilanga | Paddy Aspell Dunamase | Approved |
| Illane Boss | Gemma Quinn Headfort | Approved |
| Illane Hero | Thomasina Connell Cill Dara | Approved |
| Illaunurra Duster | Pat O'Neill Galway West | Approved |
| Illaunurra Molly | Meadhbh O'Neill Galway West | Approved |
| Illaunurra Shadow | Pat O'Neill Galway West | Approved |
| Iluna Van 'T Smishof | Grainne Murphy Unicorn | Approved |
| Im AJ | Alison Vines Enniskerry | Approved |
| Im Blushing | Lisa Cusack Annaharvey | Approved |
| Imke Juliana Van 'T Zwoantje | Iris Coleman Anvil | Approved |
| Immortality Beckons | Aishling Lambe Higgins East Cork | Approved |
| Imperial Black Pearl | Angela Mc Ilroy Ard Lu | Approved |
| Imperial Jade | Sharon Hurley Foxborough | Approved |
| Imperial Legacy | Eleanor Wauchob Cill Dara | Approved |