| Name | Sex | Colour | Registration | Foaling Date | Reg Status | Competition Status |
|---|---|---|---|---|---|---|
| LADY SAMANTHA | Mare | GREY | 17021 | Stud Book | Deceased | |
| LADY SANDRA | Mare | BAY | 1922 | 01/01/1966 | Stud Book | Deceased |
| LADY SAPHIRE | Mare | GREY | 32086 | 01/01/1972 | Stud Book | Deceased |
| LADY SAPHRON | Mare | BAY | 16365 | 01/01/1968 | Stud Book | Deceased |
| LADY SARACEN | Mare | GREY | 3590 | 07/10/1968 | Stud Book | Deceased |
| LADY SARAH | Mare | GREY | 36066 | 01/01/1972 | Stud Book | Deceased |
| LADY SASKACHUAN | Mare | CHESTNUT | 75167 | 01/11/1981 | Stud Book | Not Eligible |
| LADY SCOWN | Mare | BLACK | 26549 | 01/10/1971 | Stud Book | Deceased |
| LADY SELENA | Mare | BROWN | 29921 | 01/01/1967 | Stud Book | Deceased |
| LADY SENIORITA | Mare | CHESTNUT | 30038 | 01/09/1973 | Stud Book | Not Eligible |
| LADY SENORA | Mare | GREY | 4055 | Stud Book | Deceased | |
| LADY SERENDIPIDY | Mare | CHESTNUT | C1-191623 | 14/08/2007 | First Cross | Not Eligible |
| LADY SERENE | Mare | BROWN | 34973 | 01/01/1966 | Stud Book | Deceased |
| LADY SEVEN | Mare | BROWN | 34989 | 01/08/1971 | Stud Book | Deceased |
| LADY SHADECK | Mare | BROWN/GREY | 28312 | 20/10/1972 | Stud Book | Not Eligible |
| LADY SHADOW | Mare | CHESTNUT | 68832 | 01/08/1980 | Stud Book | Not Eligible |
| LADY SHANE | Mare | GREY | 9499 | Stud Book | Deceased | |
| LADY SHANNON | Mare | BAY | 33765 | 01/01/1973 | Stud Book | Not Eligible |
| LADY SHARINA | Mare | GREY | 35462 | 03/10/1973 | Stud Book | Not Eligible |
| LADY SHARNEE - HSH | Mare | GREY | 16991 | 27/04/1968 | Stud Book | Deceased |
| LADY SHAROOK | Mare | BAY | 13551 | Stud Book | Deceased | |
| LADY SHEBA | Mare | GREY | 18886 | Stud Book | Deceased | |
| LADY SHEILA | Mare | CHESTNUT | 2403 | Stud Book | Deceased | |
| LADY SHEOAK | Mare | GREY | 178 | 01/08/1960 | Stud Book | Deceased |
| LADY SHERIFF | Mare | CHESTNUT | 42492 | 23/11/1975 | Stud Book | Deceased |
| LADY SHERRY | Mare | CHESTNUT | 37824 | Stud Book | Not Eligible | |
| LADY SHI | Mare | BROWN | 10758 | 01/01/1966 | Stud Book | Deceased |
| LADY SHILO | Mare | BROWN | 47881 | Stud Book | Not Eligible | |
| LADY SHINE | Mare | BAY | 80241 | 01/08/1988 | Stud Book | Deceased |
| LADY SHRIMPTON | Mare | BROWN | 35744 | 01/01/1973 | Stud Book | Not Eligible |
| LADY SHUFFLE | Mare | CHESTNUT | B2-248732 | 13/09/2006 | Breeding Purposes Only - Second Cross | Not Eligible |
| LADY SIENA | Mare | BAY | 44793 | 24/11/1969 | Stud Book | Deceased |
| LADY SILHOUTTE | Mare | BROWN | 36808 | Stud Book | Not Eligible | |
| LADY SIMPLICITY | Mare | CHESTNUT | 31082 | 01/11/1972 | Stud Book | Not Eligible |
| LADY SIOUX | Mare | BAY | 46840 | 10/08/1974 | Stud Book | Not Eligible |
| LADY SIRIKIT | Mare | GREY | 57859 | Stud Book | Deceased | |
| LADY SKIPTON | Mare | CHESTNUT | 74805 | 30/08/1981 | Stud Book | Not Eligible |
| LADY SKYE - HSH | Mare | GREY | 30739 | 01/08/1966 | Stud Book | Deceased |
| LADY SLEIPNER | Mare | BAY | 18721 | 01/08/1963 | Stud Book | Deceased |
| LADY SMITH - HSH | Mare | BROWN/BLACK | 52807 | 18/11/1975 | Stud Book | Deceased |
| LADY SNIP - HSH | Mare | BAY | 7176 | 03/11/1970 | Stud Book | Deceased |
| LADY SNOWFLAKE | Mare | GREY | 38628 | 01/12/1965 | Stud Book | Deceased |
| LADY SOCKS | Mare | GREY | 24498 | 07/12/1970 | Stud Book | Deceased |
| LADY SOPHIE | Mare | BAY | 6205 | Stud Book | Deceased | |
| LADY SPARKLE | Mare | BROWN | 29951 | Stud Book | Not Eligible | |
| LADY SPECK | Mare | GREY | 35866 | Stud Book | Deceased | |
| LADY SPECKLE | Mare | BAY | 32311 | 30/11/1968 | Stud Book | Deceased |
| LADY SPIN MODEL | Mare | CHESTNUT | 242745 | 25/10/2015 | Stud Book | Eligible |
| LADY SPRINGTIME | Mare | GREY | 33017 | 01/01/1973 | Stud Book | Not Eligible |
| LADY SPRITE | Mare | BAY | 8382 | Stud Book | Deceased | |
| LADY SPY | Mare | GREY | 40329 | 05/08/1969 | Stud Book | Deceased |
| LADY STANDARD COFFEE | Mare | BROWN | 37658 | 01/10/1974 | Stud Book | Not Eligible |
| LADY STAR | Mare | BAY | 34888 | 01/08/1969 | Stud Book | Deceased |
| LADY STARLIGHT | Mare | GREY | 31258 | 06/02/1971 | Stud Book | Deceased |
| LADY STEEL | Mare | BAY | 72376 | 01/09/1978 | Stud Book | Deceased |
| LADY STELLA | Mare | CHESTNUT | 144156 | 31/08/1989 | Stud Book | Deceased |
| LADY STING | Mare | CHESTNUT | 35610 | 10/09/1973 | Stud Book | Not Eligible |
| LADY STIRLING | Mare | BROWN/BLACK | 36691 | 24/08/1960 | Stud Book | Deceased |
| LADY SUNBEAM | Mare | BROWN | 35800 | 01/08/1970 | Stud Book | Deceased |
| LADY SUNRISE | Mare | CHESTNUT | 44592 | 01/08/1970 | Stud Book | Deceased |
| LADY SUNSHINE HIGHLIGHT | Mare | CHESTNUT | 30480 | 01/01/1967 | Stud Book | Deceased |
| LADY SUNSHOWER | Mare | CHESTNUT | 12671 | 20/10/1967 | Stud Book | Deceased |
| LADY SUNSTAR | Mare | CHESTNUT | 35415 | 01/01/1972 | Stud Book | Deceased |
| LADY SUPREMA | Mare | GREY | 14764 | 01/01/1966 | Stud Book | Deceased |
| LADY SUPREME - HSH | Mare | GREY | 22625 | 07/02/1973 | Stud Book | Deceased |
| LADY SUPRIME | Mare | CHESTNUT | F20778 | 01/10/1977 | Foal Recorded | Not Eligible |
| LADY SUSAN | Mare | BAY | 10573 | Stud Book | Deceased | |
| LADY SUSSEX | Mare | BROWN | 32306 | 01/01/1971 | Stud Book | Deceased |
| LADY SUZANNE | Mare | CHESTNUT | 46452 | 10/01/1975 | Stud Book | Deceased |
| LADY SUZETTE - HSH | Mare | BAY | 162405 | 29/10/2001 | Stud Book | Eligible |
| LADY SWIFT - HSH | Mare | BAY | 6376 | 28/02/1968 | Stud Book | Deceased |
| LADY SYLVIA | Mare | BROWN | 36722 | Stud Book | Not Eligible | |
| LADY TAMARA | Mare | BROWN | 53124 | 04/08/1976 | Stud Book | Not Eligible |
| LADY TAMMIETTE | Mare | CHESTNUT | 35970 | 01/01/1974 | Stud Book | Deceased |
| LADY TAMMY | Mare | GREY | 35421 | 15/12/1974 | Stud Book | Deceased |
| LADY TANGO | Mare | BROWN | 32348 | 01/01/1967 | Stud Book | Deceased |
| LADY TANNYA | Mare | DUN | 15149 | 09/09/1970 | Stud Book | Deceased |
| LADY TANYA | Mare | CHESTNUT | 30715 | 01/01/1970 | Stud Book | Deceased |
| LADY TARA | Mare | CHESTNUT | 3130 | 01/08/1969 | Stud Book | Deceased |
| LADY TARCOOLA | Mare | BAY | 28392 | 01/08/1970 | Stud Book | Deceased |
| LADY TASHA | Mare | BAY | 52490 | Stud Book | Not Eligible | |
| LADY TEENA | Mare | CHESTNUT | 15866 | 24/07/1968 | Stud Book | Deceased |
| LADY TEQUILLA - HSH | Mare | BAY | 46359 | 01/10/1974 | Stud Book | Deceased |
| LADY TESS | Mare | BROWN | 22266 | 14/10/1971 | Stud Book | Deceased |
| LADY THOWRA - HSH | Mare | BAY | SM-131790 | 17/11/1996 | Special Merit - Stud Book | Not Eligible |
| LADY THRIP - HSH | Mare | BROWN | 16218 | 01/09/1960 | Stud Book | Deceased |
| LADY TIE DYE | Mare | BAY/ROAN | 74923 | 01/01/1978 | Stud Book | Not Eligible |
| LADY TIFFANY | Mare | BAY | 70887 | 15/01/1982 | Stud Book | Not Eligible |
| LADY TINA | Mare | CHESTNUT | 30743 | 01/01/1972 | Stud Book | Deceased |
| LADY TINANBAR | Mare | BROWN | 47884 | 01/08/1973 | Stud Book | Deceased |
| LADY TOMMESS | Mare | BROWN | 67408 | 13/08/1979 | Stud Book | Not Eligible |
| LADY TONGALA | Mare | BROWN/GREY | 62787 | 02/08/1979 | Stud Book | Not Eligible |
| LADY TONTO | Mare | PALOMINO | 37817 | Stud Book | Not Eligible | |
| LADY TOO - HSH | Mare | BAY | 1791 | 01/08/1966 | Stud Book | Deceased |
| LADY TOR | Mare | CHESTNUT | 2039 | 01/08/1966 | Stud Book | Deceased |
| LADY TOSCA | Mare | BROWN | 8199 | Stud Book | Deceased | |
| LADY TREASURE | Mare | BAY | 4674 | Stud Book | Deceased | |
| LADY TRILBY | Mare | GREY | 38044 | 01/10/1974 | Stud Book | Not Eligible |
| LADY TRINA | Mare | BAY | 100981 | 27/10/1985 | Stud Book | Not Eligible |
| LADY TRINKET | Mare | BAY | 8857 | 01/10/1966 | Stud Book | Deceased |