| Name | Sex | Colour | Registration | Foaling Date | Reg Status | Competition Status |
|---|---|---|---|---|---|---|
| DEERFIELD THREE O THREE | Gelding | BROWN | 155316 | 21/09/2006 | Stud Book | Deceased |
| DEERFIELD WITCHDOCTOR | Gelding | BROWN/BLACK | 232387 | 23/10/2011 | Stud Book | Eligible |
| DEFIANT SEAS | Mare | BAY | 77553 | 01/08/1978 | Stud Book | Not Eligible |
| DEFINATELY YOURS | Gelding | BAY | 74187 | 11/11/1981 | Stud Book | Not Eligible |
| DEFINITE STRIDE | Mare | CHESTNUT | 71257 | 16/11/1981 | Stud Book | Not Eligible |
| DEFREITAS | Mare | BAY | SM-144161 | 19/09/1989 | Special Merit - Stud Book | Not Eligible |
| DEGAN - HSH | Mare | GREY | SM-138834 | 25/04/1992 | Special Merit - Stud Book | Deceased |
| DEGILBO | Stallion | CHESTNUT | 133985 | 28/11/1994 | Stud Book | Deceased |
| DEGILBO ANNIE | Mare | BAY | 74149 | 01/09/1984 | Stud Book | Eligible |
| DEGILBO FRECKLES | Mare | ROAN | 74148 | 01/09/1978 | Stud Book | Deceased |
| DEGILBO PRECIOUS SILK | Mare | CHESTNUT | 74147 | 20/10/1982 | Stud Book | Deceased |
| DEGREY TALK IT UP - HSH | Mare | BROWN | 194402 | 10/09/2009 | Stud Book | Not Eligible |
| DEGUARA BLUE BOOK | Mare | GREY | 13726 | 01/01/1970 | Stud Book | Deceased |
| DEGUARA BLUEGIRL | Mare | GREY | 6648 | 01/01/1970 | Stud Book | Deceased |
| DEGUARA BROWNIE | Mare | BROWN | 6647 | 01/01/1970 | Stud Book | Deceased |
| DEGUARA DARKIE | Mare | BROWN | 13725 | Stud Book | Deceased | |
| DEGUARA PRINCESS | Mare | BAY | 14171 | 10/08/1967 | Stud Book | Deceased |
| DEGUARA TRIXIE | Mare | BAY | 14170 | Stud Book | Deceased | |
| DEGUARA WHITE WINGS | Mare | GREY | 13727 | Stud Book | Deceased | |
| DEHLIA SHARN | Mare | CHESTNUT | 11075 | Stud Book | Deceased | |
| DEIGHTON PARK GRAND CHANCE | Gelding | BAY/BROWN | C2-260198 | 04/10/2021 | Second Cross | Eligible |
| DEINO | Gelding | BROWN | 16773 | 25/11/1970 | Stud Book | Deceased |
| DEITA | Mare | BROWN | 1330 | 01/11/1965 | Stud Book | Deceased |
| DEJA VU | Mare | CHESTNUT | 52053 | 23/09/1978 | Stud Book | Not Eligible |
| DEL BANCOS | Stallion | BAY | 5597 | 05/05/1969 | Stud Book | Deceased |
| DEL GOWRIE BUBBLES - HSH | Mare | GREY | 18594 | 01/08/1969 | Stud Book | Deceased |
| DEL GOWRIE TRAZANNA | Mare | BAY | 18595 | Stud Book | Deceased | |
| DEL HAWKE | Mare | CHESTNUT | 76220 | 07/08/1978 | Stud Book | Not Eligible |
| DEL MARK | Mare | CHESTNUT | 59929 | 03/11/1974 | Stud Book | Deceased |
| DEL NOBLE | Mare | GREY | 78011 | 30/10/1982 | Stud Book | Not Eligible |
| DEL ORO | Mare | CHESTNUT | 52303 | 31/08/1977 | Stud Book | Not Eligible |
| DEL PRIDE | Mare | PALOMINO | 138052 | 16/09/1996 | Stud Book | Not Eligible |
| DEL QUIGLEY | Mare | CHESTNUT | 8396 | 01/10/1968 | Stud Book | Deceased |
| DEL RAY MOONLIGHT | Mare | GREY | 80997 | 01/08/1979 | Stud Book | Not Eligible |
| DEL REEN | Mare | GREY | 9980 | Stud Book | Deceased | |
| DEL RINGO | Stallion | CHESTNUT | F19982 | 05/09/1979 | Foal Recorded | Not Eligible |
| DEL RIO COLLEEN | Mare | CHESTNUT | 60565 | 21/12/1976 | Stud Book | Not Eligible |
| DEL ROSE | Mare | CHESTNUT | 80050 | 10/09/1988 | Stud Book | Deceased |
| DELA ANNE | Mare | CHESTNUT | 18652 | 01/06/1971 | Stud Book | Deceased |
| DELACOURT BLUE LADY | Mare | BLACK/GREY | 62933 | 17/09/1979 | Stud Book | Not Eligible |
| DELACOURT BOSS | Stallion | BAY | F42028 | 28/04/1986 | Foal Recorded | Not Eligible |
| DELACOURT COMMANDER LEO | Stallion | CHESTNUT | F40548 | 11/11/1985 | Foal Recorded | Not Eligible |
| DELACOURT FIDDLE FADDLE | Mare | CHESTNUT | F40549 | 09/08/1985 | Foal Recorded | Not Eligible |
| DELACOURT LEADING LADY | Mare | BROWN | 62936 | 01/03/1976 | Stud Book | Not Eligible |
| DELACOURT LISA | Mare | CHESTNUT | F39807 | 04/09/1984 | Foal Recorded | Not Eligible |
| DELACOURT MASTER BRUCE | Stallion | CHESTNUT | 62937 | 14/10/1971 | Stud Book | Deceased |
| DELACOURT MISTRESS BRUCE | Mare | CHESTNUT | F40547 | 01/11/1985 | Foal Recorded | Not Eligible |
| DELACOURT MISTY | Mare | BAY | 62935 | 01/01/1978 | Stud Book | Not Eligible |
| DELACOURT NAVAHO PRINCESS | Mare | BAY | F35596 | 16/10/1982 | Foal Recorded | Not Eligible |
| DELACOURT P J | Stallion | CHESTNUT | F37296 | 02/10/1983 | Foal Recorded | Not Eligible |
| DELACOURT POCO | Stallion | BAY | F37297 | 31/08/1983 | Foal Recorded | Not Eligible |
| DELACOURT SKIPPER BRUCE | Stallion | CHESTNUT | F41803 | 06/08/1986 | Foal Recorded | Not Eligible |
| DELACOURT VIOLA | Mare | BROWN | 62934 | 27/12/1980 | Stud Book | Not Eligible |
| DELAK WANDOVALE | Mare | BROWN | 24790 | Stud Book | Not Eligible | |
| DELAKA MARCHIONESS | Mare | BAY | 59458 | 26/11/1977 | Stud Book | Not Eligible |
| DELAKA SUE | Mare | CHESTNUT | F40524 | 20/11/1984 | Foal Recorded | Not Eligible |
| DELAMERE | Mare | BAY | 44232 | 01/01/1972 | Stud Book | Deceased |
| DELAMERE RIVER LADY DI | Mare | BAY | 76398 | 05/08/1983 | Stud Book | Deceased |
| DELAMERE RIVER MELODY | Mare | BROWN | 76399 | 12/01/1983 | Stud Book | Deceased |
| DELAMERE RIVER VENESSA | Mare | CHESTNUT | 76400 | 19/08/1984 | Stud Book | Deceased |
| DELAMORE RED | Gelding | CHESTNUT | 72490 | 03/12/1978 | Stud Book | Not Eligible |
| DELANDELLES BLACK ANT - HSH | Mare | BROWN | 181975 | 14/12/2005 | Stud Book | Eligible |
| DELANDELLES BRUCE - HSH | Gelding | BAY | 235495 | 15/11/2013 | Stud Book | Eligible |
| DELANDELLES CECILY - HSH | Mare | BLACK | 263337 | 30/09/2020 | Stud Book | Eligible |
| DELANDELLES CORAL - HSH | Mare | BAY | 263338 | 21/10/2020 | Stud Book | Eligible |
| DELANDELLES MANDRAKE - HSH | Gelding | BAY | 263336 | 20/10/2018 | Stud Book | Eligible |
| DELANDELLES STANLEY | Gelding | BROWN | 235496 | 01/11/2013 | Stud Book | Deceased |
| DELANEY | Mare | GREY | 54097 | Stud Book | Not Eligible | |
| DELANEY BABS - HSH | Mare | CHESTNUT | 12637 | 01/08/1967 | Stud Book | Deceased |
| DELANEY YVETTE | Mare | BAY | 12638 | 01/08/1970 | Stud Book | Deceased |
| DELARAIN DELL RIO | Mare | CHESTNUT/PIED | 63963 | 01/01/1971 | Stud Book | Deceased |
| DELARAINE BURNISH | Gelding | CHESTNUT | 70854 | 01/01/1977 | Stud Book | Not Eligible |
| DELARAINE JUST JANE | Mare | BROWN | 70853 | 01/01/1979 | Stud Book | Not Eligible |
| DELARAINE TROY | Gelding | GREY | 56862 | 05/10/1977 | Stud Book | Not Eligible |
| DELARAY | Mare | GREY | F115755 | 22/07/1990 | Foal Recorded | Not Eligible |
| DELARIDGE MYSTICAL PRINCE | Stallion | PALOMINO | 190680 | 06/09/2009 | Stud Book | Not Eligible |
| DELATA | Mare | GREY | F29212 | 23/10/1980 | Foal Recorded | Not Eligible |
| DELATITE ANNANINA | Mare | BROWN | 28525 | 10/01/1973 | Stud Book | Deceased |
| DELATITE AQUARIUS | Mare | CHESTNUT | F34905 | 04/12/1982 | Foal Recorded | Not Eligible |
| DELATITE ARIES | Mare | CHESTNUT | 70916 | 31/10/1981 | Stud Book | Not Eligible |
| DELATITE ASTRA | Mare | BAY | 28520 | Stud Book | Deceased | |
| DELATITE ATTACHE | Stallion | CHESTNUT | F31220 | 11/11/1981 | Foal Recorded | Not Eligible |
| DELATITE BIANCA | Mare | BAY | 59291 | 13/11/1978 | Stud Book | Deceased |
| DELATITE BRACKEN | Mare | BAY | 63722 | 24/10/1978 | Stud Book | Deceased |
| DELATITE BRAMBLE | Mare | CHESTNUT | F34906 | 30/10/1982 | Foal Recorded | Not Eligible |
| DELATITE BRIEFCASE | Mare | CHESTNUT | 35707 | 01/08/1969 | Stud Book | Deceased |
| DELATITE BURMA | Stallion | BLACK | F34907 | 09/11/1982 | Foal Recorded | Deceased |
| DELATITE CHARADE | Stallion | CHESTNUT | F31214 | 08/01/1982 | Foal Recorded | Deceased |
| DELATITE COMEDY | Mare | BLACK | 28517 | 11/11/1967 | Stud Book | Deceased |
| DELATITE COMIC | Gelding | CHESTNUT | 72233 | 15/11/1980 | Stud Book | Not Eligible |
| DELATITE EAGLE | Stallion | CHESTNUT | F42771 | 31/10/1986 | Foal Recorded | Not Eligible |
| DELATITE GALANTINE | Mare | BLACK | 28518 | 27/09/1966 | Stud Book | Deceased |
| DELATITE GEMINI | Gelding | CHESTNUT | 73833 | 27/11/1981 | Stud Book | Not Eligible |
| DELATITE GIGET | Mare | CHESTNUT | F26356 | 13/09/1980 | Foal Recorded | Deceased |
| DELATITE GLIMMER | Mare | CHESTNUT | 66250 | 19/09/1979 | Stud Book | Deceased |
| DELATITE GLINT | Stallion | CHESTNUT | 115400 | 09/10/1989 | Stud Book | Not Eligible |
| DELATITE HAWK | Stallion | BROWN/BLACK | 115401 | 20/11/1989 | Stud Book | Not Eligible |
| DELATITE JANE | Mare | BAY | 35705 | Stud Book | Deceased | |
| DELATITE JASPA | Stallion | BAY | F39288 | 01/10/1984 | Foal Recorded | Not Eligible |
| DELATITE JESTER | Gelding | CHESTNUT | 70399 | 02/11/1980 | Stud Book | Not Eligible |