| Name | Sex | Colour | Registration | Foaling Date | Reg Status | Competition Status |
|---|---|---|---|---|---|---|
| SILLIS AND GUYS MISS CINDY | Mare | BAY | 1464 | 13/11/1968 | Stud Book | Deceased |
| SILLIS AND GUYS MOWHAWK | Gelding | BAY | 10272 | Stud Book | Deceased | |
| SILLIS AND GUYS SEAGULL | Mare | CHESTNUT | 1730 | 20/01/1964 | Stud Book | Deceased |
| SILLIS AND GUYS SHANE | Gelding | BLACK | 10271 | Stud Book | Deceased | |
| SILLIS AND GUYS VELETTE | Mare | CHESTNUT | 1463 | Stud Book | Deceased | |
| SILLIS BLISS - HSH | Mare | BROWN/BLACK | 169743 | 16/10/1988 | Stud Book | Deceased |
| SILLIS JESSIE - HSH | Mare | BAY | 72762 | 01/11/1979 | Stud Book | Not Eligible |
| SILLY MCGILLY | Mare | GREY | 2999 | 01/08/1960 | Stud Book | Deceased |
| SILLY SALLY | Mare | BAY | 40271 | 06/12/1973 | Stud Book | Not Eligible |
| SILONE | Mare | PALOMINO | 11897 | Stud Book | Deceased | |
| SILQUEST KIPLING | Gelding | BAY | 62769 | 02/10/1976 | Stud Book | Not Eligible |
| SILVA DELL | Mare | GREY | 5663 | 24/10/1970 | Stud Book | Deceased |
| SILVALYN | Mare | GREY | 77839 | 04/10/1981 | Stud Book | Deceased |
| SILVAN HAMISH | Stallion | BLACK | F33633 | 07/11/1982 | Foal Recorded | Not Eligible |
| SILVANA BAKALI | Mare | BAY | 68166 | 08/11/1976 | Stud Book | Not Eligible |
| SILVANA MELODY | Mare | GREY | 50015 | 03/09/1975 | Stud Book | Not Eligible |
| SILVANA NAYUKA | Gelding | CHESTNUT | F17635 | 22/12/1978 | Foal Recorded | Not Eligible |
| SILVANA VONWELL | Stallion | CHESTNUT | 47790 | 19/09/1976 | Stud Book | Not Eligible |
| SILVANELLA TIFFANY | Mare | TAFFY | 57290 | 16/11/1975 | Stud Book | Deceased |
| SILVER | Stallion | GREY | 3883 | 01/12/1967 | Stud Book | Deceased |
| SILVER ACE | Gelding | GREY | 52036 | Stud Book | Not Eligible | |
| SILVER ADITION - HSH | Mare | GREY | 101849 | 10/01/1986 | Stud Book | Deceased |
| SILVER ANNE | Mare | GREY | 8046 | Stud Book | Deceased | |
| SILVER ANNIVERSARY | Mare | GREY | 6931 | Stud Book | Deceased | |
| SILVER ARCHER - HSH | Stallion | CHESTNUT/GREY | 231436 | 25/09/2012 | Stud Book | Eligible |
| SILVER ARROW | Mare | CHESTNUT | 55066 | 29/11/1977 | Stud Book | Not Eligible |
| SILVER BANNER - HSH | Stallion | PALOMINO | 26692 | Stud Book | Deceased | |
| SILVER BEAU | Mare | CHESTNUT | 24632 | 25/12/1968 | Stud Book | Deceased |
| SILVER BEEM - HSH | Stallion | CHESTNUT | 4467 | 20/09/1968 | Stud Book | Deceased |
| SILVER BELL | Mare | CHESTNUT | 2552 | 10/10/1968 | Stud Book | Deceased |
| SILVER BELLE | Mare | GREY | 49049 | 21/10/1975 | Stud Book | Not Eligible |
| SILVER BLACK STAR | Mare | BLACK | 17618 | 01/01/1968 | Stud Book | Deceased |
| SILVER BLAZE | Mare | PALOMINO | 7247 | Stud Book | Deceased | |
| SILVER BRANDII | Gelding | CHESTNUT | 61772 | 01/08/1976 | Stud Book | Not Eligible |
| SILVER BUBB | Mare | GREY | 17271 | 01/08/1968 | Stud Book | Deceased |
| SILVER BUBBLES | Mare | CHESTNUT | 693 | Stud Book | Deceased | |
| SILVER BUC | Mare | BROWN | 25681 | 10/10/1974 | Stud Book | Not Eligible |
| SILVER BUFFY | Mare | GREY | 23181 | 31/10/1971 | Stud Book | Deceased |
| SILVER BULLET | Stallion | CHESTNUT | F39545 | 13/11/1984 | Foal Recorded | Not Eligible |
| SILVER CASCADE | Mare | GREY | 54497 | 09/11/1971 | Stud Book | Deceased |
| SILVER CHAIR | Mare | GREY | C1-197146 | 08/12/2002 | First Cross | Not Eligible |
| SILVER CHARADE - HSH | Stallion | PALOMINO | 45033 | 01/09/1969 | Stud Book | Deceased |
| SILVER CHARM | Mare | CHESTNUT | 140429 | 02/01/1997 | Stud Book | Eligible |
| SILVER CHEEKO | Gelding | GREY | 66180 | 01/01/1976 | Stud Book | Not Eligible |
| SILVER CHEIF PLAYBOY | Gelding | GREY | 68634 | 10/08/1977 | Stud Book | Not Eligible |
| SILVER CHEROKEE | Mare | CHESTNUT | 35804 | 08/10/1974 | Stud Book | Not Eligible |
| SILVER CHICK | Mare | PALOMINO | 38060 | 07/11/1972 | Stud Book | Not Eligible |
| SILVER CHIEF | Stallion | CHESTNUT | 12877 | 01/01/1968 | Stud Book | Deceased |
| SILVER CHIMES | Mare | GREY | 77031 | 01/09/1982 | Stud Book | Not Eligible |
| SILVER CHIQUITA | Mare | BROWN | 17613 | Stud Book | Deceased | |
| SILVER CHRISTMAS | Mare | BAY/ROAN | 66360 | 01/09/1979 | Stud Book | Deceased |
| SILVER CINDERS | Mare | GREY | 26815 | 08/10/1969 | Stud Book | Deceased |
| SILVER CITY | Mare | BAY | 37082 | 26/12/1974 | Stud Book | Not Eligible |
| SILVER CLOUD | Stallion | PALOMINO | 17816 | Stud Book | Deceased | |
| SILVER COBWEB | Gelding | GREY | 43470 | 01/01/1972 | Stud Book | Deceased |
| SILVER COIN | Mare | BAY | C1-233305 | 07/10/2004 | First Cross | Not Eligible |
| SILVER COMET | Gelding | GREY | 21368 | Stud Book | Deceased | |
| SILVER CREEK GINGER | Mare | CHESTNUT | 20523 | Stud Book | Deceased | |
| SILVER CREEK KIM | Mare | BROWN | 20524 | Stud Book | Deceased | |
| SILVER CREST | Mare | GREY | 28574 | 01/08/1965 | Stud Book | Deceased |
| SILVER DALLAS - HSH | Mare | BLACK | 69206 | 10/10/1980 | Stud Book | Deceased |
| SILVER DAWN | Mare | GREY | 17016 | 01/08/1961 | Stud Book | Deceased |
| SILVER DEE | Mare | BAY | 59435 | 11/11/1978 | Stud Book | Not Eligible |
| SILVER DEW | Gelding | GREY | 60121 | 22/10/1973 | Stud Book | Not Eligible |
| SILVER DIP | Mare | GREY | 16997 | 23/08/1967 | Stud Book | Deceased |
| SILVER DIXIE | Mare | GREY | 1970 | Stud Book | Deceased | |
| SILVER DOCS SAMSON | Gelding | DUN | C2-156196 | 12/12/2000 | Second Cross | Eligible |
| SILVER DOLLAR | Mare | GREY | 13456 | 01/01/1970 | Stud Book | Deceased |
| SILVER DOLLAR ANGEL - HSH | Stallion | TAFFY | 255732 | 30/09/2020 | Stud Book | Eligible |
| SILVER DOVE | Mare | CHESTNUT | 47856 | 07/08/1975 | Stud Book | Deceased |
| SILVER DRIFT | Stallion | GREY | 1738 | 01/08/1966 | Stud Book | Deceased |
| SILVER DUKE | Gelding | GREY | 48232 | 30/09/1975 | Stud Book | Not Eligible |
| SILVER DUNDEE | Stallion | GREY | F9154 | 05/11/1976 | Foal Recorded | Not Eligible |
| SILVER DUST | Mare | GREY | 65385 | 22/12/1976 | Stud Book | Deceased |
| SILVER DYNAMITE | Gelding | GREY | 69101 | 01/08/1978 | Stud Book | Not Eligible |
| SILVER ELEGANCE | Mare | GREY | 77679 | 06/10/1985 | Stud Book | Not Eligible |
| SILVER FANTASY | Mare | GREY | 75230 | 01/12/1985 | Stud Book | Not Eligible |
| SILVER FLARE | Mare | BROWN | 21972 | 18/10/1973 | Stud Book | Deceased |
| SILVER FLIGHT | Mare | GREY | 1493 | 01/08/1956 | Stud Book | Deceased |
| SILVER FOX | Gelding | BAY | 238922 | 28/10/2011 | Stud Book | Not Eligible |
| SILVER FRECKLE | Mare | CHESTNUT | C1-259669 | 13/01/2004 | First Cross | Not Eligible |
| SILVER FRED | Stallion | BLACK | 113859 | 21/02/1989 | Stud Book | Not Eligible |
| SILVER GAY | Mare | GREY | 42168 | 05/10/1974 | Stud Book | Deceased |
| SILVER GEM | Gelding | CHESTNUT | 10663 | Stud Book | Deceased | |
| SILVER GEORGE | Gelding | PALOMINO | 40755 | 03/10/1971 | Stud Book | Deceased |
| SILVER GHOST | Mare | PALOMINO | 20379 | Stud Book | Deceased | |
| SILVER GILT | Mare | DUN | 21864 | Stud Book | Deceased | |
| SILVER GIRL | Mare | GREY | 26604 | Stud Book | Not Eligible | |
| SILVER GIRLIE | Mare | CHESTNUT | 17617 | 01/01/1967 | Stud Book | Deceased |
| SILVER GLANCE | Mare | GREY | 4790 | 01/01/1968 | Stud Book | Deceased |
| SILVER GLEN | Gelding | GREY | 10274 | 05/10/1965 | Stud Book | Deceased |
| SILVER GLITTER | Mare | GREY | 48780 | 01/08/1974 | Stud Book | Not Eligible |
| SILVER GLOVE | Mare | BAY | 10238 | Stud Book | Deceased | |
| SILVER GLOW | Mare | PALOMINO | 6795 | Stud Book | Deceased | |
| SILVER GROVES DELAYED DELIGHT | Mare | CHESTNUT | 104013 | 17/09/1987 | Stud Book | Not Eligible |
| SILVER GROVES HONEY | Mare | BLACK | 73709 | 04/11/1975 | Stud Book | Not Eligible |
| SILVER GROVES SIROCCO GOLD | Gelding | CHESTNUT | 75572 | 22/09/1980 | Stud Book | Not Eligible |
| SILVER GUM FARM GROOT | Gelding | BLACK/PIED | 253435 | 10/08/2018 | Stud Book | Eligible |
| SILVER GUM KALIMNA | Mare | CHESTNUT | 104383 | 08/11/1975 | Stud Book | Not Eligible |
| SILVER GYPSY | Mare | BROWN/BLACK | 52128 | 12/02/1978 | Stud Book | Not Eligible |