| Breeders and Owners | DOWNLOAD Membership Application |
| A | | B | | C | | D | | E | | F | | G | | H | | I | | J | | K | | L | | M | | N | | O | | P | Q | | R | | S | | T | | U | | V | | W | | X | | Y | | Z |
| I |
| Iles, Mr & Mrs N | 1027 |
| Inglis, Suzanne | 1415 |
| Inishmore | 1512 |
| Inverlochy | 1513 |
| Irish Draught Horse Soc. | 1422 |
| Irons, Ms P.A.F. | 1196 |
| Irwin, Sharon | 1702 |
| Isaacson, Doug & Carol | 1012 |
| Isles, C | 1217 |