| Name | Sex | Colour | Registration | Foaling Date | Reg Status | Competition Status |
|---|---|---|---|---|---|---|
| THUMBERLEENA | Mare | 29927 | 01/01/1970 | Stud Book | Deceased | |
| THUMBS UP | Stallion | BAY | F13033 | 17/02/1978 | Foal Recorded | Not Eligible |
| THUMMS BLONDY | Mare | PALOMINO | 32290 | 01/08/1972 | Stud Book | Deceased |
| THUMMS FIFI | Mare | CHESTNUT | 32291 | 01/08/1972 | Stud Book | Deceased |
| THUMPER | Gelding | BAY | 48417 | 06/10/1977 | Stud Book | Not Eligible |
| THUNDA J | Gelding | BAY | 13856 | Stud Book | Deceased | |
| THUNDA TOWN | Gelding | CHESTNUT | 61156 | 25/10/1979 | Stud Book | Not Eligible |
| THUNDER | Stallion | CHESTNUT | 3893 | 01/08/1966 | Stud Book | Deceased |
| THUNDER BEAU | Stallion | CHESTNUT | 66890 | 15/09/1981 | Stud Book | Not Eligible |
| THUNDER BOY | Gelding | GREY | 58930 | Stud Book | Not Eligible | |
| THUNDER CLOUD | Gelding | BROWN | 56602 | 04/02/1977 | Stud Book | Not Eligible |
| THUNDER DAN | Gelding | CHESTNUT | 80607 | 01/12/1989 | Stud Book | Not Eligible |
| THUNDER DOWNUNDER | Stallion | BAY | 184415 | 04/11/2006 | Stud Book | Not Eligible |
| THUNDER LADY | Mare | CHESTNUT | 12327 | Stud Book | Deceased | |
| THUNDER MISS | Mare | BAY/BROWN | F119715 | 25/11/1991 | Foal Recorded | Deceased |
| THUNDER SQUALL | Mare | BLACK | 77843 | 01/08/1987 | Stud Book | Not Eligible |
| THUNDERBIRD JUST JEDDA | Mare | BLACK | 46339 | 01/01/1969 | Stud Book | Deceased |
| THUNDERBOLT | Gelding | GREY | 72880 | 01/01/1981 | Stud Book | Not Eligible |
| THUNDERBOLT ABBEYS OPAL - HSH | Mare | GREY | 234579 | 28/11/2013 | Stud Book | Eligible |
| THUNDERBOLT ABSOLARA - HSH | Mare | BLACK | 177015 | 29/10/2004 | Stud Book | Eligible |
| THUNDERBOLT ABSOLETTE - HSH | Mare | BROWN/BLACK | 183041 | 30/10/2005 | Stud Book | Eligible |
| THUNDERBOLT ABSOLUTE BREEZE - HSH | Mare | BAY | 254134 | 08/11/2017 | Stud Book | Eligible |
| THUNDERBOLT ABSOLUTION - HSH | Mare | BLACK | 250691 | 15/10/2015 | Stud Book | Eligible |
| THUNDERBOLT CHARM - HSH | Mare | BAY | 250690 | 19/12/2018 | Stud Book | Eligible |
| THUNDERBOLT DOLLY | Mare | BAY | 21358 | Stud Book | Deceased | |
| THUNDERBOLT GREY CHARISMA - HSH | Mare | GREY | 236388 | 13/12/2014 | Stud Book | Eligible |
| THUNDERBOLT HIGHRISE | Gelding | CHESTNUT | 177016 | 06/11/2004 | Stud Book | Deceased |
| THUNDERBOLT IN EXCESS - HSH | Stallion | BROWN/BLACK | 234580 | 15/10/2013 | Stud Book | Eligible |
| THUNDERBOLT LASS | Mare | GREY | 19957 | Stud Book | Deceased | |
| THUNDERBOLT MADELINE | Mare | BAY | 257336 | 16/12/2017 | Stud Book | Eligible |
| THUNDERBOLT RENARA | Mare | BAY | 152724 | 01/11/2001 | Stud Book | Eligible |
| THUNDERBOLT RENATA | Mare | GREY | 250692 | 14/12/2016 | Stud Book | Eligible |
| THUNDERBOLT RENOWN - HSH | Mare | BAY | 234581 | 25/10/2013 | Stud Book | Eligible |
| THUNDERBOLT SAHARA | Mare | CHESTNUT | 152336 | 17/10/2003 | Stud Book | Eligible |
| THUNDERBOLT THALINA | Mare | BROWN | 182679 | 04/11/2005 | Stud Book | Deceased |
| THUNDERING GIRL | Mare | GREY | 63459 | 05/09/1974 | Stud Book | Not Eligible |
| THUNDERSTRUCK | Gelding | BAY | C1-249865 | 02/10/2018 | First Cross | Not Eligible |
| THURDUKE | Gelding | BAY | 36901 | 06/12/1975 | Stud Book | Not Eligible |
| THURIBA ACTRESS | Mare | BAY | 58966 | Stud Book | Not Eligible | |
| THURIBA JOY | Mare | CHESTNUT | 58965 | Stud Book | Not Eligible | |
| THURILINGA | Mare | CHESTNUT | 27391 | 27/10/1974 | Stud Book | Not Eligible |
| THURLES PARK DUCHESS | Mare | PALOMINO | 33094 | 01/01/1973 | Stud Book | Not Eligible |
| THURLONG ISALEI | Mare | BROWN | 62127 | 10/10/1977 | Stud Book | Not Eligible |
| THURN | Gelding | CHESTNUT | 80136 | 06/09/1984 | Stud Book | Not Eligible |
| THURRA VALLEY COORINNA | Mare | CHESTNUT | 48224 | 01/12/1974 | Stud Book | Not Eligible |
| THURRA VALLEY TAMALYN | Mare | CHESTNUT | 48223 | Stud Book | Not Eligible | |
| THURSDAYS JOY | Mare | BAY | 185108 | 23/08/2007 | Stud Book | Eligible |
| THURUNA | Mare | BROWN | 24954 | 08/09/1962 | Stud Book | Deceased |
| THYANGRA HONEY | Mare | CHESTNUT | 41261 | 05/06/1969 | Stud Book | Deceased |
| THYME - HSH | Mare | CHESTNUT | 47353 | 20/09/1975 | Stud Book | Deceased |
| TI TREE COUNTY | Gelding | CHESTNUT | 128164 | 09/10/1992 | Stud Book | Not Eligible |
| TI TREE KIMBERLY | Mare | BAY | 128163 | 01/11/1991 | Stud Book | Not Eligible |
| TI TREE MEAGAN | Mare | BLACK | 71361 | 17/11/1981 | Stud Book | Not Eligible |
| TI WILLA MEG | Mare | BLACK | 20644 | 01/08/1962 | Stud Book | Deceased |
| TIA | Mare | BLACK | 26633 | Stud Book | Not Eligible | |
| TIA BIANCA | Mare | CHESTNUT | 50505 | 07/09/1977 | Stud Book | Not Eligible |
| TIA BUBBLES | Mare | BAY | 47068 | 10/11/1975 | Stud Book | Not Eligible |
| TIA JOKER | Gelding | BAY/BROWN | 76825 | 27/10/1983 | Stud Book | Not Eligible |
| TIA MARIA - HSH | Mare | DUN | 139538 | 12/11/1991 | Stud Book | Not Eligible |
| TIA MARIA LADY | Mare | BLACK | 29883 | Stud Book | Not Eligible | |
| TIA MARIE | Mare | BROWN | 31633 | 29/11/1967 | Stud Book | Deceased |
| TIA SPOT | Gelding | BROWN | 70624 | 03/08/1980 | Stud Book | Eligible |
| TIA VIENNA | Mare | CHESTNUT | 67510 | 11/12/1979 | Stud Book | Not Eligible |
| TIA VIVA | Mare | BROWN | 47067 | 09/10/1975 | Stud Book | Not Eligible |
| TIAGO | Gelding | CHESTNUT | 80473 | 15/09/1992 | Stud Book | Deceased |
| TIALINTA | Mare | BLACK | 41479 | 03/11/1976 | Stud Book | Not Eligible |
| TIAMBY BEAU | Mare | BLACK | 5313 | Stud Book | Deceased | |
| TIAMBY CINDY | Mare | BLACK | 22379 | 26/12/1969 | Stud Book | Deceased |
| TIAMBY DOMINO | Gelding | PALOMINO | 11522 | 01/01/1966 | Stud Book | Deceased |
| TIAMBY FLAME | Mare | BAY | 17305 | 11/10/1967 | Stud Book | Deceased |
| TIAMBY JOLENE | Mare | BROWN | F19999 | 10/01/1979 | Foal Recorded | Not Eligible |
| TIAMBY JOY | Mare | BROWN | 18577 | Stud Book | Deceased | |
| TIAMBY LYN | Mare | GREY | 14926 | Stud Book | Deceased | |
| TIAMBY MELODY | Mare | BROWN | 1370 | Stud Book | Deceased | |
| TIAMBY MYSTIC | Mare | GREY | 17306 | 09/01/1970 | Stud Book | Deceased |
| TIAMBY SATAN | Gelding | BLACK | 18624 | 01/08/1967 | Stud Book | Deceased |
| TIAMBY SHILOE | Gelding | TAFFY | 18545 | 01/11/1970 | Stud Book | Deceased |
| TIAMBY SPEARMINT | Gelding | BAY | 14925 | 09/10/1967 | Stud Book | Deceased |
| TIAMBY SUNRAY | Gelding | CHESTNUT | 18544 | 01/08/1969 | Stud Book | Deceased |
| TIAMBY TANGO | Gelding | BAY | 18543 | Stud Book | Deceased | |
| TIAMBY TAO | Mare | GREY | F9594 | 18/09/1976 | Foal Recorded | Not Eligible |
| TIARA | Mare | BAY | 592 | Stud Book | Deceased | |
| TIARA BELL - HSH | Mare | BLACK | 101228 | 09/11/1985 | Stud Book | Not Eligible |
| TIARA COUNTESS | Mare | PALOMINO | 38977 | 12/11/1973 | Stud Book | Not Eligible |
| TIARA GAY | Mare | BAY | 25678 | 15/10/1973 | Stud Book | Not Eligible |
| TIARA GLOWING GOLD | Stallion | PALOMINO | 38976 | 13/11/1973 | Stud Book | Not Eligible |
| TIARA GOLDEN DUCHESS | Mare | PALOMINO | C1-250120 | 27/10/1991 | First Cross | Not Eligible |
| TIARA RECENT | Stallion | CHESTNUT | F19897 | 12/09/1979 | Foal Recorded | Not Eligible |
| TIARA SHANI | Mare | PALOMINO | 71975 | 29/08/1980 | Stud Book | Not Eligible |
| TIARI PRINCESS | Mare | BAY | 25043 | 11/09/1970 | Stud Book | Deceased |
| TIARO QUEEN | Mare | BROWN | 8200 | Stud Book | Deceased | |
| TIARRA LOU | Mare | BLACK | 141169 | 11/10/1996 | Stud Book | Not Eligible |
| TIAS PROPHECY - HSH | Gelding | BAY | 198014 | 08/10/2008 | Stud Book | Not Eligible |
| TIAS TARGET | Gelding | BROWN/BLACK | 264736 | 04/01/2022 | Stud Book | Not Eligible |
| TIAS TIGER MOTH - HSH | Mare | BAY | 238533 | 01/10/2013 | Stud Book | Not Eligible |
| TIBARU | Mare | ROAN | 30981 | Stud Book | Not Eligible | |
| TIBBY TWO - HSH | Mare | BAY/BROWN | 1100 | 01/08/1958 | Stud Book | Deceased |
| TIBOR CHANTELLE | Mare | CHESTNUT | 77124 | 01/01/1985 | Stud Book | Not Eligible |
| TIBOR MOCQUAI | Gelding | CHESTNUT | 77123 | 01/01/1983 | Stud Book | Not Eligible |
| TIBROCKNEY | Mare | BROWN | 28569 | 21/03/1971 | Stud Book | Deceased |