| Name | Sex | Colour | Registration | Foaling Date | Reg Status | Competition Status |
|---|---|---|---|---|---|---|
| SUCCESS MARY ANN | Mare | BROWN | 23554 | Stud Book | Deceased | |
| SUCCESS NULABORE | Mare | CHESTNUT | 40819 | 01/01/1966 | Stud Book | Deceased |
| SUCCESS RED GUMLEAF | Mare | CHESTNUT | 23556 | Stud Book | Deceased | |
| SUCCESS RED GUMTREE | Mare | CHESTNUT | 23555 | Stud Book | Deceased | |
| SUCCESS RED TRINKET | Mare | CHESTNUT | 23553 | 01/08/1968 | Stud Book | Deceased |
| SUCCESS REVLON | Mare | BLACK | 17299 | Stud Book | Deceased | |
| SUCCESS SENATOR | Stallion | BAY/BROWN | F6362 | 20/11/1976 | Foal Recorded | Not Eligible |
| SUCCESS SILK STOCKINGS | Mare | CHESTNUT | 66398 | 28/10/1976 | Stud Book | Not Eligible |
| SUCCESSFUL ROAD | Mare | GREY | 77514 | 01/08/1979 | Stud Book | Deceased |
| SUCCESSFULL PRINCE | Stallion | BROWN | 50744 | 19/11/1975 | Stud Book | Not Eligible |
| SUCH MEMORIES | Stallion | CHESTNUT | 77699 | 18/11/1984 | Stud Book | Not Eligible |
| SUDAK PRINCESS | Mare | BAY | 40917 | 11/10/1970 | Stud Book | Deceased |
| SUDDEN IMPACT | Gelding | BAY/PIED | 121552 | 09/09/1992 | Stud Book | Not Eligible |
| SUDI | Mare | GREY | 29643 | 01/01/1971 | Stud Book | Deceased |
| SUDON DRIFTWOOD | Stallion | CHESTNUT | 38100 | 08/02/1974 | Stud Book | Not Eligible |
| SUDUCTIVE RUBY | Mare | CHESTNUT | C2-199632 | 06/12/2011 | Second Cross | Not Eligible |
| SUE | Mare | BAY | 340 | Stud Book | Deceased | |
| SUE ANN | Mare | GREY | 54208 | 26/09/1974 | Stud Book | Deceased |
| SUE ANNE - HSH | Mare | CHESTNUT | 114655 | 27/08/1990 | Stud Book | Deceased |
| SUE CITY SUE | Mare | BROWN | 15491 | 01/11/1971 | Stud Book | Deceased |
| SUE COL | Mare | BROWN | 19925 | Stud Book | Deceased | |
| SUE ELLEN | Mare | BROWN | 217093 | 20/10/1983 | Stud Book | Not Eligible |
| SUE FORD | Mare | GREY | 6358 | 01/01/1966 | Stud Book | Deceased |
| SUE OF LODDON | Mare | GREY | 25991 | Stud Book | Not Eligible | |
| SUE P | Mare | BAY | 7463 | Stud Book | Deceased | |
| SUE SEN | Mare | BAY | 18467 | Stud Book | Deceased | |
| SUE SING | Mare | CHESTNUT | 53034 | 11/10/1974 | Stud Book | Deceased |
| SUEDE | Gelding | PALOMINO | 68344 | 01/08/1981 | Stud Book | Not Eligible |
| SUELL | Mare | GREY | 41368 | 20/01/1975 | Stud Book | Not Eligible |
| SUEN TOO BE TROUBLE | Mare | BAY | C1-253564 | 09/11/2018 | First Cross | Not Eligible |
| SUENLIN | Mare | GREY | 29503 | 08/09/1968 | Stud Book | Deceased |
| SUERAY BELLES STAR | Gelding | BROWN | 229640 | 31/10/2012 | Stud Book | Not Eligible |
| SUERAY LA BELLES ROSE | Mare | CHESTNUT | 238307 | 19/09/2014 | Stud Book | Not Eligible |
| SUES CHOICE | Mare | GREY | 29672 | 29/12/1965 | Stud Book | Deceased |
| SUES DELIGHT | Mare | GREY | 71150 | 01/01/1979 | Stud Book | Not Eligible |
| SUES PLUM | Mare | BAY | 73049 | 01/01/1979 | Stud Book | Not Eligible |
| SUESON | Gelding | BROWN | 64895 | 20/10/1973 | Stud Book | Deceased |
| SUETTE | Mare | DUN | 119416 | 13/09/1990 | Stud Book | Not Eligible |
| SUEZ | Stallion | CHESTNUT | F12508 | 22/09/1977 | Foal Recorded | Not Eligible |
| SUEZIES JEMMA | Mare | BROWN/BLACK | 126702 | 17/11/1994 | Stud Book | Not Eligible |
| SUFFOLK VALE BESS | Mare | BROWN | 36587 | 01/01/1967 | Stud Book | Deceased |
| SUFFOLK VALE BURETTA | Mare | BROWN | 64906 | 10/09/1980 | Stud Book | Not Eligible |
| SUFFOLK VALE CRICKET - HSH | Mare | BROWN | 36585 | 01/08/1967 | Stud Book | Deceased |
| SUFFOLK VALE CUDDLES | Mare | BAY | 36582 | 01/01/1967 | Stud Book | Deceased |
| SUFFOLK VALE FLOOD | Mare | CHESTNUT | 36584 | 01/01/1967 | Stud Book | Deceased |
| SUFFOLK VALE FRUIT SALAD | Mare | BAY | 36586 | 01/01/1967 | Stud Book | Deceased |
| SUFFOLK VALE MRS LASSITER | Mare | BAY | 36583 | 01/01/1968 | Stud Book | Deceased |
| SUFFOLK VALE PEBBLES | Mare | BROWN | 36581 | 01/01/1969 | Stud Book | Deceased |
| SUFFOLK VALE TUTTI | Mare | BAY | 24640 | 01/10/1970 | Stud Book | Deceased |
| SUFFOLK VALE VERY FUNNY | Mare | BAY | 36588 | Stud Book | Not Eligible | |
| SUFFOLKS QUEENIE | Mare | CHESTNUT | 20919 | Stud Book | Deceased | |
| SUFFRAGETTE | Mare | BROWN/BLACK | 237852 | 04/10/2013 | Stud Book | Not Eligible |
| SUGAR & SPICE | Mare | CHESTNUT | 1855 | 15/10/1958 | Stud Book | Deceased |
| SUGAR AND SPICE | Mare | BAY | 24372 | Stud Book | Deceased | |
| SUGAR BABE | Mare | BAY | 29298 | 29/11/1970 | Stud Book | Deceased |
| SUGAR BELL | Mare | CHESTNUT | 7461 | Stud Book | Deceased | |
| SUGAR BID | Stallion | BAY | F21481 | 13/09/1979 | Foal Recorded | Not Eligible |
| SUGAR BOOM BOOM | Mare | BLACK | C1-246427 | 27/11/2015 | First Cross | Eligible |
| SUGAR CANE | Mare | BROWN | 4379 | Stud Book | Deceased | |
| SUGAR CHARLOTTE | Mare | BROWN | C1-257642 | 11/10/2018 | First Cross | Eligible |
| SUGAR DADDYS SENSATION | Mare | BAY | C1-196122 | 28/08/2008 | First Cross | Not Eligible |
| SUGAR DECK | Mare | CHESTNUT | C1-141313 | 02/03/1998 | First Cross | Not Eligible |
| SUGAR DELL | Mare | BAY | 56271 | 30/10/1976 | Stud Book | Not Eligible |
| SUGAR DUST | Mare | CHESTNUT/PIED | C2-268158 | 04/11/2023 | Second Cross | Eligible |
| SUGAR FOOT | Mare | BAY | 10764 | Stud Book | Deceased | |
| SUGAR FOOT LADY | Mare | CHESTNUT | 46550 | 23/09/1976 | Stud Book | Not Eligible |
| SUGAR GIRL | Mare | BAY | 22547 | Stud Book | Deceased | |
| SUGAR GLIDER | Mare | BROWN | F39409 | 03/09/1984 | Foal Recorded | Not Eligible |
| SUGAR GUM DONNA | Mare | GREY | 18491 | Stud Book | Deceased | |
| SUGAR GUM HARLEM | Gelding | BAY | 21286 | 15/09/1969 | Stud Book | Deceased |
| SUGAR LADY | Mare | BAY | 52770 | Stud Book | Not Eligible | |
| SUGAR LAKE | Mare | CHESTNUT | 36119 | 01/01/1972 | Stud Book | Deceased |
| SUGAR LEA SUE | Mare | BAY | 53212 | 01/10/1977 | Stud Book | Not Eligible |
| SUGAR LOAF | Mare | BAY | 13829 | Stud Book | Deceased | |
| SUGAR LOAF DIMITY | Mare | CHESTNUT | 48072 | 19/10/1977 | Stud Book | Not Eligible |
| SUGAR LOAF GOLDIE | Mare | CHESTNUT | 48071 | Stud Book | Deceased | |
| SUGAR LOU | Mare | GREY | 20732 | Stud Book | Deceased | |
| SUGAR LYN | Mare | PALOMINO | 37812 | Stud Book | Not Eligible | |
| SUGAR LYNX | Mare | BAY | 118308 | 22/10/1988 | Stud Book | Not Eligible |
| SUGAR MIST | Mare | BLACK/GREY | F10077 | 21/08/1977 | Foal Recorded | Not Eligible |
| SUGAR OAK | Mare | CHESTNUT | F117701 | 16/10/1990 | Foal Recorded | Not Eligible |
| SUGAR OF ACRES | Mare | BAY | C2-242859 | 16/11/2011 | Second Cross | Not Eligible |
| SUGAR PLUM FAIRY | Mare | CHESTNUT | 29126 | 04/10/1972 | Stud Book | Deceased |
| SUGAR RAE - HSH | Mare | BROWN | 75172 | 06/11/1981 | Stud Book | Deceased |
| SUGAR REY | Mare | CHESTNUT | 47381 | 15/08/1972 | Stud Book | Deceased |
| SUGAR SPECKLES | Mare | CHESTNUT | 47368 | Stud Book | Not Eligible | |
| SUGAR SUSIE | Mare | BROWN | 35028 | 01/08/1965 | Stud Book | Deceased |
| SUGAR TIME | Mare | BAY | 3435 | Stud Book | Deceased | |
| SUGARAMA | Mare | BAY | 76380 | 25/01/1978 | Stud Book | Not Eligible |
| SUGARBAG ABBA | Mare | GREY | 80742 | 01/08/1987 | Stud Book | Not Eligible |
| SUGARBAG BUTTER | Mare | DUN | 170501 | 07/04/1997 | Stud Book | Not Eligible |
| SUGARBAG DABBA | Gelding | GREY | 136632 | 11/08/1991 | Stud Book | Not Eligible |
| SUGARBAG DAINTY | Mare | BROWN | 80743 | 01/08/1984 | Stud Book | Not Eligible |
| SUGARBAG FLASH | Gelding | BAY | 136633 | 10/01/1993 | Stud Book | Deceased |
| SUGARBAG GWEN | Mare | BAY/BROWN | 80745 | 01/08/1982 | Stud Book | Not Eligible |
| SUGARBAG ICE | Mare | GREY | 136634 | 01/09/1992 | Stud Book | Not Eligible |
| SUGARBAG MISCHIEF | Mare | BROWN | 80746 | 01/08/1991 | Stud Book | Not Eligible |
| SUGARBAG MISS | Mare | ROAN | 146373 | 25/03/1992 | Stud Book | Not Eligible |
| SUGARBAG ROUGER | Gelding | GREY | 184336 | 16/09/1998 | Stud Book | Not Eligible |
| SUGARBAG TINKERBELL | Mare | BAY | 80741 | 01/08/1985 | Stud Book | Not Eligible |