| Name | Sex | Colour | Registration | Foaling Date | Reg Status | Competition Status |
|---|---|---|---|---|---|---|
| SOVREN PARK SEVANNA | Mare | BAY | 77530 | 10/10/1981 | Stud Book | Deceased |
| SOVREN PARK SHOWMAN | Gelding | CHESTNUT | 71463 | 24/09/1983 | Stud Book | Not Eligible |
| SOVREN PARK SHOWPIECE | Stallion | BAY | 116095 | 04/11/1990 | Stud Book | Not Eligible |
| SOVREN PARK WIZARD | Stallion | BLACK | 122435 | 04/11/1993 | Stud Book | Deceased |
| SOVRON | Mare | PALOMINO | 77156 | 07/09/1981 | Stud Book | Not Eligible |
| SOW O CRISP | Stallion | CHESTNUT | F26122 | 25/10/1980 | Foal Recorded | Not Eligible |
| SOWERBY BROOKE - HSH | Mare | CHESTNUT | C2-187525 | 15/09/2004 | Second Cross | Eligible |
| SOWERBY COMET - HSH | Gelding | BROWN | 189597 | 01/12/2005 | Stud Book | Deceased |
| SOWERBY CORALFISH | Mare | BAY | C2-243943 | 24/01/2016 | Second Cross | Eligible |
| SOWERBY FINN | Mare | CHESTNUT | C2-238088 | 03/01/2013 | Second Cross | Eligible |
| SOWERBY FOUR LEAF CLOVER | Mare | BAY | 238087 | 22/12/2014 | Stud Book | Eligible |
| SOWERBY GOLDFISH | Mare | CHESTNUT | C1-186112 | 28/03/1995 | First Cross | Eligible |
| SOWERBY JILLAROO - HSH | Mare | BROWN | C2-243945 | 20/02/2017 | Second Cross | Eligible |
| SOWERBY MISSISSIPPI | Mare | CHESTNUT | C2-187523 | 15/12/2004 | Second Cross | Deceased |
| SOWERBY NELLIE - HSH | Mare | BROWN | C2-243946 | 22/01/2017 | Second Cross | Eligible |
| SOWERBY OLIVE - HSH | Mare | BROWN | C2-243947 | 28/12/2015 | Second Cross | Eligible |
| SOWERBY PROVIDENCE | Mare | BLACK | C1-186113 | 06/04/1995 | First Cross | Deceased |
| SOWERBY SILVERFISH | Mare | BLACK | C2-187524 | 28/11/2005 | Second Cross | Eligible |
| SOWERBY SILVERLENA | Mare | CHESTNUT | 195390 | 01/11/2010 | Stud Book | Eligible |
| SOWERBY STELLA - HSH | Mare | BROWN | C2-187526 | 25/10/2002 | Second Cross | Eligible |
| SOWERBY SUPERSTITION | Mare | BROWN | C2-238089 | 13/01/2012 | Second Cross | Eligible |
| SOWERBY TREVALLY | Mare | BAY | C2-243948 | 22/12/2016 | Second Cross | Eligible |
| SOX | Mare | BROWN | 22089 | Stud Book | Deceased | |
| SOX N OAK | Gelding | CHESTNUT | C1-171893 | 13/11/2002 | First Cross | Not Eligible |
| SOYNA - HSH | Mare | BAY | 1379 | Stud Book | Deceased | |
| SPA VALLEY MISS ESCORT | Mare | BROWN | F14408 | 21/01/1978 | Foal Recorded | Not Eligible |
| SPA VALLEY MISS RAY | Mare | BROWN | F14407 | 21/11/1977 | Foal Recorded | Not Eligible |
| SPACE CAPTAIN | Stallion | BLACK | 47027 | 07/09/1975 | Stud Book | Not Eligible |
| SPACE PRINCESS | Mare | BROWN | 25656 | 20/10/1965 | Stud Book | Deceased |
| SPACE TRAVEL | Stallion | CHESTNUT | 41293 | 01/01/1970 | Stud Book | Deceased |
| SPACEMAN | Stallion | CHESTNUT/PIED | F18064 | 27/09/1978 | Foal Recorded | Not Eligible |
| SPACESHIP | Mare | BAY | 27732 | 01/11/1965 | Stud Book | Deceased |
| SPACEWAY GLAMOUR MAN | Gelding | CHESTNUT | 66558 | 06/05/1979 | Stud Book | Not Eligible |
| SPACEWAY JACKMAN | Stallion | BROWN | F27465 | 22/10/1979 | Foal Recorded | Not Eligible |
| SPACKYS BETTY | Mare | BLACK | 242980 | 09/09/2009 | Stud Book | Not Eligible |
| SPACKYS ROMANE | Gelding | BAY | 242979 | 03/12/2011 | Stud Book | Not Eligible |
| SPADE | Stallion | CHESTNUT | 1399 | 05/09/1969 | Stud Book | Deceased |
| SPADE CN CARDINAL - HSH | Gelding | BLACK/GREY | 184512 | 09/12/2006 | Stud Book | Not Eligible |
| SPADE CN DASH - HSH | Gelding | CHESTNUT | 174764 | 16/12/2001 | Stud Book | Not Eligible |
| SPADE CN DEAK - HSH | Stallion | BAY | 174763 | 04/12/2004 | Stud Book | Not Eligible |
| SPADE CN DEBBIE - HSH | Mare | CHESTNUT | 174761 | 16/11/1980 | Stud Book | Deceased |
| SPADE CN HALO | Mare | CHESTNUT/BROWN | 232134 | 28/10/2013 | Stud Book | Not Eligible |
| SPADE CN HERCULES | Stallion | BROWN | 194891 | 14/02/2011 | Stud Book | Eligible |
| SPADE CN HOMER | Gelding | BROWN | 188748 | 31/08/2008 | Stud Book | Not Eligible |
| SPADE CN HUMPTY | Gelding | BROWN | 230687 | 31/10/2012 | Stud Book | Eligible |
| SPADE CN LACE - HSH | Mare | BLACK/GREY | 191490 | 10/11/2009 | Stud Book | Eligible |
| SPADE CN LEEROY | Gelding | BAY | C1-188747 | 24/11/2006 | First Cross | Not Eligible |
| SPADE CN LEO - HSH | Gelding | BROWN/GREY | 238692 | 28/11/2014 | Stud Book | Not Eligible |
| SPADE CN LINEN - HSH | Mare | BLACK/GREY | 230688 | 11/11/2012 | Stud Book | Deceased |
| SPADE CN LYNLEE | Mare | CHESTNUT | C1-182020 | 25/11/2002 | First Cross | Eligible |
| SPADE CN PERCY - HSH | Gelding | CHESTNUT | 193216 | 18/12/2009 | Stud Book | Not Eligible |
| SPADE CN PIRATE - HSH | Gelding | BROWN | 188749 | 28/12/2008 | Stud Book | Not Eligible |
| SPADE CN POET - HSH | Mare | BAY | 185900 | 08/11/2007 | Stud Book | Not Eligible |
| SPADE CN POPEYE - HSH | Gelding | PALOMINO | 184510 | 07/11/2006 | Stud Book | Not Eligible |
| SPADE CN RAYLEE | Mare | CHESTNUT | C1-235600 | 18/05/2010 | First Cross | Not Eligible |
| SPADE CN TACO - HSH | Gelding | CHESTNUT | 193517 | 13/11/2010 | Stud Book | Not Eligible |
| SPADE CN TANGO - HSH | Mare | BAY | 191491 | 12/08/2009 | Stud Book | Not Eligible |
| SPADE CN TOFU - HSH | Mare | BROWN/BLACK | 185899 | 09/08/2007 | Stud Book | Not Eligible |
| SPADE CN VICAR | Gelding | BROWN | 184511 | 02/12/2006 | Stud Book | Not Eligible |
| SPADEIGHT SLIPRAIL | Stallion | CHESTNUT | R-267794 | 25/08/2023 | Base Registry | Eligible |
| SPAGOBAR | Gelding | CHESTNUT | 29367 | 15/08/1971 | Stud Book | Deceased |
| SPAKMANS LARA | Mare | DUN | 28566 | Stud Book | Not Eligible | |
| SPAN THE LAND | Stallion | BROWN/BLACK | 75885 | 05/09/1980 | Stud Book | Not Eligible |
| SPANGALA | Mare | CHESTNUT | 40045 | 15/09/1975 | Stud Book | Not Eligible |
| SPANGLE MAIN | Mare | BAY | 7394 | 15/03/1966 | Stud Book | Deceased |
| SPANGLED LADY | Mare | BROWN | 40450 | 06/10/1975 | Stud Book | Not Eligible |
| SPANGLES | Mare | CHESTNUT | 971 | Stud Book | Deceased | |
| SPANIARD | Gelding | BLACK | 75393 | 27/09/1982 | Stud Book | Not Eligible |
| SPANISH ACRES | Mare | BROWN | C1-161994 | 15/11/2001 | First Cross | Eligible |
| SPANISH CLIPPER | Stallion | BROWN | F24282 | 25/12/1979 | Foal Recorded | Deceased |
| SPANISH CONNECTION | Mare | CHESTNUT | B2-199279 | 04/11/1995 | Breeding Purposes Only - Second Cross | Not Eligible |
| SPANISH COUNTESS | Mare | BLACK | 16829 | 01/01/1971 | Stud Book | Deceased |
| SPANISH DON | Gelding | CHESTNUT | 55880 | 20/11/1977 | Stud Book | Not Eligible |
| SPANISH DREAM | Mare | BLACK | C2-248871 | 01/10/2018 | Second Cross | Eligible |
| SPANISH FLASHMAN | Stallion | CHESTNUT | F18703 | 28/09/1978 | Foal Recorded | Not Eligible |
| SPANISH FOX | Stallion | BROWN | 22304 | 21/10/1971 | Stud Book | Deceased |
| SPANISH GYPSY | Mare | BAY | 38224 | 09/10/1974 | Stud Book | Not Eligible |
| SPANISH HALO | Gelding | CHESTNUT | 70474 | 03/11/1976 | Stud Book | Not Eligible |
| SPANISH LACE | Mare | GREY | 71155 | 01/12/1977 | Stud Book | Deceased |
| SPANISH LASS | Mare | CHESTNUT | 7859 | Stud Book | Deceased | |
| SPANISH MAGIC | Gelding | CHESTNUT/PIED | 54975 | 03/12/1977 | Stud Book | Not Eligible |
| SPANISH MAID | Mare | BROWN | BP-78273 | 25/09/1995 | Breeding Purposes Only - Stud Book | Not Eligible |
| SPANISH MARQUISITE | Mare | BAY | F23765 | 12/09/1979 | Foal Recorded | Not Eligible |
| SPANISH MORGAN | Gelding | CHESTNUT | 49397 | 06/10/1975 | Stud Book | Not Eligible |
| SPANISH MOSS | Mare | BAY/BROWN | 65106 | 13/11/1979 | Stud Book | Not Eligible |
| SPANISH RED | Gelding | CHESTNUT | 30190 | 01/10/1972 | Stud Book | Not Eligible |
| SPANISH RHAPSODY | Mare | BAY | 16277 | 01/01/1967 | Stud Book | Deceased |
| SPANISH SECRET | Mare | CHESTNUT | 10787 | 01/08/1954 | Stud Book | Deceased |
| SPANISH SILHOUETTE | Mare | BLACK | C2-190240 | 15/10/2009 | Second Cross | Deceased |
| SPANISH STAR | Mare | GREY | 80053 | 26/09/1986 | Stud Book | Deceased |
| SPANISH TEMPO | Gelding | BAY | 51299 | 10/10/1971 | Stud Book | Deceased |
| SPANK | Mare | BLACK | 22232 | Stud Book | Deceased | |
| SPANNAGLES ACRES TO SAL | Mare | CHESTNUT | C2-239800 | 06/09/2009 | Second Cross | Not Eligible |
| SPANNAGLES ALASKAN LADY | Mare | TAFFY | 113556 | 15/12/1992 | Stud Book | Deceased |
| SPANNAGLES BENAH STORM | Mare | BAY | 152000 | 06/10/1998 | Stud Book | Deceased |
| SPANNAGLES BOUQUET | Mare | CHESTNUT | 65159 | 01/01/1972 | Stud Book | Deceased |
| SPANNAGLES CONCHO | Gelding | CHESTNUT | 65160 | 01/01/1976 | Stud Book | Not Eligible |
| SPANNAGLES DESARAY | Mare | CHESTNUT | 101049 | 16/10/1985 | Stud Book | Not Eligible |
| SPANNAGLES HO BEN HO | Gelding | CHESTNUT | 248038 | 07/01/2016 | Stud Book | Not Eligible |
| SPANNAGLES RIVOLI CHEERS | Mare | BAY | F38311 | 17/05/1984 | Foal Recorded | Deceased |