| Name | Sex | Colour | Registration | Foaling Date | Reg Status | Competition Status |
|---|---|---|---|---|---|---|
| IRONHURST SUSIE WONG | Mare | BAY | 32180 | Stud Book | Not Eligible | |
| IRONHURST TAILORESS | Mare | CHESTNUT | 44771 | 01/12/1975 | Stud Book | Not Eligible |
| IRONHURST TINKER | Mare | DUN | F41153 | 28/01/1986 | Foal Recorded | Not Eligible |
| IRONHURST TINKERBELL | Mare | BAY | 32178 | 01/01/1966 | Stud Book | Deceased |
| IRONHURST WENDY | Mare | BAY | 58336 | Stud Book | Not Eligible | |
| IRONHURST WENJESSIE | Mare | DUN | F39301 | 22/12/1984 | Foal Recorded | Not Eligible |
| IRONJACK ALLSPICE | Mare | BAY/ROAN | C1-262551 | 02/02/2021 | First Cross | Eligible |
| IRONJACK COUNTRYMAN | Stallion | BAY | C2-260269 | 27/10/2019 | Second Cross | Eligible |
| IRONJACK DELUX | Gelding | CHESTNUT | C2-246128 | 30/11/2014 | Second Cross | Not Eligible |
| IRONJACK OUTLAW | Gelding | BUCKSKIN | 246129 | 06/01/2016 | Stud Book | Eligible |
| IRONJACK ROXETTE | Mare | GREY | 255412 | 15/10/2016 | Stud Book | Eligible |
| IRONJACK SPARKY | Gelding | DUN | C1-260268 | 14/11/2017 | First Cross | Eligible |
| IRONJACK SPICEGIRL - HSH | Mare | BROWN | 255413 | 20/12/2015 | Stud Book | Eligible |
| IRONMANS DESTINY | Gelding | BAY | C1-269344 | 23/11/2024 | First Cross | Not Eligible |
| IRONMINEPARK DENALI - HSH | Stallion | BLACK | 264566 | 26/08/2021 | Stud Book | Eligible |
| IRONMOON | Gelding | BROWN | R-259809 | 23/09/2020 | Base Registry | Not Eligible |
| IRONOAK THEODOR - HSH | Gelding | BAY | 272012 | 03/11/2023 | Stud Book | Eligible |
| IRONROSE ALADARS EMBRACE | Mare | BROWN/BLACK | 240429 | 03/12/2015 | Stud Book | Not Eligible |
| IRONROSE ALADARS EVIE | Mare | BLACK | 269123 | 04/11/2022 | Stud Book | Eligible |
| IRONROSE ALADARS IVY | Mare | BAY/BROWN | 261644 | 12/10/2021 | Stud Book | Eligible |
| IRONROSE ALIAS | Gelding | BROWN | 266097 | 21/10/2023 | Stud Book | Eligible |
| IRONROSE ALIBI | Mare | BROWN/BLACK | 249582 | 12/10/2018 | Stud Book | Eligible |
| IRONROSE ALLURE - HSH | Mare | BAY | 268070 | 15/10/2024 | Stud Book | Eligible |
| IRONROSE BANDITO - HSH | Gelding | BROWN/BLACK | 252950 | 13/12/2019 | Stud Book | Eligible |
| IRONROSE CONFESSION | Mare | BAY | 269027 | 28/10/2024 | Stud Book | Eligible |
| IRONROSE CONVICTION | Stallion | BAY/BROWN | 249583 | 03/10/2018 | Stud Book | Eligible |
| IRONROSE DESIRE | Mare | BROWN/BLACK | 252951 | 02/11/2019 | Stud Book | Eligible |
| IRONROSE ELLESMERE - HSH | Mare | BROWN | 246654 | 07/08/2017 | Stud Book | Not Eligible |
| IRONROSE ENVY - HSH | Mare | BAY | 255949 | 12/09/2020 | Stud Book | Deceased |
| IRONROSE FINAL EDITION - HSH | Gelding | CHESTNUT/GREY | 271776 | 26/08/2025 | Stud Book | Eligible |
| IRONROSE IGNITION - HSH | Gelding | CHESTNUT | 255952 | 31/10/2020 | Stud Book | Not Eligible |
| IRONROSE KINETIC | Stallion | BAY/BROWN | 255953 | 10/10/2020 | Stud Book | Not Eligible |
| IRONROSE LASTING IMPRESSION - HSH | Mare | BLACK | 246655 | 01/08/2017 | Stud Book | Deceased |
| IRONROSE LEGACY - HSH | Gelding | CHESTNUT | C2-265783 | 01/10/2023 | Second Cross | Eligible |
| IRONROSE MELODY - HSH | Mare | CHESTNUT | 249812 | 20/11/2012 | Stud Book | Not Eligible |
| IRONROSE PRUDENCE - HSH | Mare | BAY | 255951 | 25/08/2020 | Stud Book | Deceased |
| IRONROSE REFLEXION - HSH | Gelding | BROWN/BLACK | 255954 | 01/11/2020 | Stud Book | Not Eligible |
| IRONROSE REMMINGTON - HSH | Gelding | BROWN/BLACK | 249584 | 18/11/2018 | Stud Book | Eligible |
| IRONROSE REVENGE - HSH | Gelding | BAY | 246656 | 05/08/2017 | Stud Book | Deceased |
| IRONROSE RICOCHET - HSH | Mare | CHESTNUT | C2-269028 | 30/10/2024 | Second Cross | Eligible |
| IRONROSE ROLEX - HSH | Gelding | BAY/BROWN | 252952 | 01/10/2019 | Stud Book | Not Eligible |
| IRONROSE RUGER - HSH | Gelding | BAY | 249585 | 07/09/2018 | Stud Book | Not Eligible |
| IRONROSE SPELLBOUND | Gelding | BLACK/GREY | C2-272096 | 27/09/2025 | Second Cross | Eligible |
| IRONROSE STIRLING - HSH | Stallion | BROWN/GREY | 265784 | 21/09/2023 | Stud Book | Eligible |
| IRONROSE SUSPICION - HSH | Mare | BROWN/BLACK | 240430 | 01/10/2015 | Stud Book | Eligible |
| IRONROSE TECHNIQUE - HSH | Mare | BROWN | 252953 | 25/09/2019 | Stud Book | Deceased |
| IRONROSE TEMPTATION - HSH | Mare | BAY/BROWN | 255950 | 15/08/2020 | Stud Book | Deceased |
| IRONROSE TRADITION - HSH | Gelding | CHESTNUT/GREY | 257492 | 06/09/2021 | Stud Book | Eligible |
| IRONROSE VALIANCE - HSH | Mare | BAY | 268071 | 03/08/2024 | Stud Book | Eligible |
| IRONSACK | Gelding | CHESTNUT | 69869 | 12/10/1979 | Stud Book | Not Eligible |
| IRONSTONE FREYA | Mare | BLACK | C1-239561 | 13/12/2006 | First Cross | Eligible |
| IRONSTONE INFAMOUS | Stallion | BROWN/BLACK | 273247 | 19/12/2025 | Stud Book | Eligible |
| IRONSTONE KASSAN | Mare | BAY/BROWN | 273245 | 27/11/2025 | Stud Book | Eligible |
| IRONSTONE KHALEESI | Mare | BUCKSKIN | C1-231267 | 06/11/2012 | First Cross | Eligible |
| IRONSTONE MELODEON - HSH | Mare | CHESTNUT | 121442 | 08/02/1992 | Stud Book | Not Eligible |
| IRONWOOD EMERALD | Mare | CHESTNUT | C1-185264 | 05/07/2005 | First Cross | Not Eligible |
| IRONWOOD NICHOLA - HSH | Mare | BROWN/BLACK | 185792 | 14/11/2007 | Stud Book | Not Eligible |
| IRONWOOD ROMANTIC FLING | Mare | CHESTNUT | 193856 | 26/12/2009 | Stud Book | Not Eligible |
| IRONWOOD WAKITA | Mare | BAY | 228998 | 03/10/2011 | Stud Book | Not Eligible |
| IROQUOIS TACULLIS | Mare | CHESTNUT | 62188 | 23/12/1977 | Stud Book | Not Eligible |
| IRREWILLIPE LASS | Mare | GREY | 34230 | 01/01/1971 | Stud Book | Deceased |
| IRVINE PRIDE | Mare | BAY | 13320 | 01/01/1969 | Stud Book | Deceased |
| IRVINES AB | Gelding | BAY | 25960 | 01/08/1969 | Stud Book | Deceased |
| IRVINES FALCONER | Stallion | CHESTNUT | 25961 | 16/08/1974 | Stud Book | Not Eligible |
| IRVINES FLIGHT | Mare | CHESTNUT | 25962 | 01/08/1969 | Stud Book | Deceased |
| IRVINES GIDGET | Mare | PALOMINO | 37506 | 01/08/1974 | Stud Book | Not Eligible |
| IRVINES NANCY | Mare | BAY | 24069 | 01/08/1969 | Stud Book | Deceased |
| IRVINGDALE RAMBLIN MAN | Gelding | BLACK/GREY | 267101 | 21/10/2023 | Stud Book | Not Eligible |
| ISA | Mare | BROWN | 30333 | 28/10/1969 | Stud Book | Deceased |
| ISA DOC STRAW | Mare | BAY | C2-163014 | 26/08/1998 | Second Cross | Not Eligible |
| ISA FANCY FACE | Mare | CHESTNUT | C2-152783 | 12/10/2000 | Second Cross | Not Eligible |
| ISA HOLLYWOOD OAKS | Stallion | BROWN | 154026 | 08/08/2001 | Stud Book | Not Eligible |
| ISAAC | Gelding | CHESTNUT | 21180 | 23/12/1972 | Stud Book | Not Eligible |
| ISAAC CHESTER - HSH | Stallion | BROWN | 40904 | 01/02/1976 | Stud Book | Not Eligible |
| ISAAC FACTHION | Mare | BAY | 40903 | 01/01/1972 | Stud Book | Deceased |
| ISABELLA | Mare | BAY | 8159 | Stud Book | Deceased | |
| ISABELLA CHLOE | Mare | BROWN | 53297 | 02/11/1977 | Stud Book | Not Eligible |
| ISABELLA COOMA GIRL | Mare | CHESTNUT | 9758 | Stud Book | Deceased | |
| ISABELLA EJ | Gelding | BAY | 60195 | 30/10/1976 | Stud Book | Not Eligible |
| ISABELLA GEORGE | Gelding | BROWN | 60194 | 20/10/1977 | Stud Book | Not Eligible |
| ISABELLA HONEY | Mare | CHESTNUT | 9759 | 18/09/1966 | Stud Book | Deceased |
| ISABELLA JUPITOR | Stallion | BROWN | F43338 | 24/11/1986 | Foal Recorded | Not Eligible |
| ISABELLA KALLISTA | Mare | CHESTNUT | 117886 | 13/10/1991 | Stud Book | Not Eligible |
| ISABELLA KARMEELA | Mare | CHESTNUT | 69754 | 03/11/1982 | Stud Book | Not Eligible |
| ISABELLA KNOCKER | Gelding | CHESTNUT | 75024 | 27/10/1983 | Stud Book | Not Eligible |
| ISABELLA MISTY MORN | Mare | WHITE | 76354 | 14/10/1985 | Stud Book | Not Eligible |
| ISABELLA ROUNDABOUT | Mare | BROWN | F126743 | 21/09/1993 | Foal Recorded | Not Eligible |
| ISABELLA RUSTLER | Stallion | CHESTNUT | F44113 | 24/11/1987 | Foal Recorded | Deceased |
| ISABELLA SNOWBIRD | Mare | CHESTNUT/ROAN | 49017 | 15/01/1976 | Stud Book | Not Eligible |
| ISABELLA SPOTLESS | Mare | BAY | 220164 | 12/10/1986 | Stud Book | Not Eligible |
| ISABELLA STEFFIE | Mare | BROWN | 113307 | 28/10/1989 | Stud Book | Not Eligible |
| ISABELLA SUE | Mare | BROWN | 9760 | Stud Book | Deceased | |
| ISABELLA SUNSHINE | Mare | CHESTNUT/ROAN | 75025 | 19/10/1984 | Stud Book | Not Eligible |
| ISABELLA THE MANAGER | Stallion | CHESTNUT | F44114 | 11/11/1987 | Foal Recorded | Not Eligible |
| ISABELLA TIFFANY | Mare | BROWN | 36007 | 13/10/1972 | Stud Book | Deceased |
| ISABELLA TWIGGY | Mare | BAY | 69756 | 07/09/1980 | Stud Book | Not Eligible |
| ISABELLA WINFIELD | Stallion | BROWN | F21162 | 04/10/1979 | Foal Recorded | Not Eligible |
| ISABELLA XANADU | Gelding | CHESTNUT/ROAN | 76353 | 28/10/1983 | Stud Book | Not Eligible |
| ISABELLA ZIP | Mare | CHESTNUT | 69753 | 15/10/1981 | Stud Book | Deceased |
| ISADORA | Mare | BAY | 72878 | 01/01/1981 | Stud Book | Not Eligible |