| Name | Sex | Colour | Registration | Foaling Date | Reg Status | Competition Status |
|---|---|---|---|---|---|---|
| OTFORDVALLEY BELLE - HSH | Mare | CHESTNUT | 170108 | 06/11/2004 | Stud Book | Eligible |
| OTFORDVALLEY BELLA | Mare | BLACK | 232119 | 17/10/2013 | Stud Book | Eligible |
| OTFORDVALLEY APOLLO - HSH | Gelding | CHESTNUT | 189283 | 28/08/2008 | Stud Book | Eligible |
| OTFORDVALLEY ANNIE | Mare | GREY | 193000 | 16/08/2009 | Stud Book | Not Eligible |
| OTFORDVALLEY ACRES OF CHROME | Gelding | CHESTNUT | 180692 | 20/09/2006 | Stud Book | Eligible |
| OTFORD VALEY APRIL - HSH | Mare | CHESTNUT | 182692 | 27/12/2005 | Stud Book | Eligible |
| OTARRA KAMARI | Mare | CHESTNUT | 54172 | 28/07/1973 | Stud Book | Not Eligible |
| OTARRA CARIBOU | Stallion | BAY | F20078 | 15/10/1979 | Foal Recorded | Not Eligible |
| OTAGO TAMMY BRUCE | Mare | BROWN | 3480 | 01/01/1967 | Stud Book | Deceased |
| OTAGO ARCHENAR | Mare | GREY | 3481 | Stud Book | Deceased | |
| OSUZANA | Mare | BAY | 28558 | Stud Book | Deceased | |
| OSULLIVANS RUSS | Gelding | BUCKSKIN | 262123 | 15/11/2014 | Stud Book | Not Eligible |
| OSULLIVANS CASCADE | Gelding | CHESTNUT | 72094 | 01/08/1974 | Stud Book | Not Eligible |
| OSTERLEY TRUMPS - HSH | Gelding | BROWN | 116987 | 20/10/1990 | Stud Book | Not Eligible |
| OSTERLEY TABOO - HSH | Mare | BLACK | 116997 | 29/11/1994 | Stud Book | Not Eligible |
| OSTERLEY SPADES - HSH | Stallion | BROWN/BLACK | 111025 | 25/08/1987 | Stud Book | Not Eligible |
| OSTERLEY SILK - HSH | Mare | BROWN/BLACK | 111026 | 10/08/1988 | Stud Book | Not Eligible |
| OSTERLEY SERENE | Mare | GREY | 76310 | 01/01/1975 | Stud Book | Not Eligible |
| OSTERLEY ROYALE | Gelding | BAY | 116986 | 20/09/1990 | Stud Book | Not Eligible |
| OSTERLEY ROMANCE | Mare | GREY | 106730 | 25/12/1986 | Stud Book | Not Eligible |
| OSTERLEY REJOICE | Mare | BROWN/BLACK | 101660 | 17/12/1986 | Stud Book | Not Eligible |
| OSTERLEY MARCELLE | Mare | BROWN | 76309 | 30/10/1982 | Stud Book | Deceased |
| OSTERLEY MAGICAL | Gelding | GREY | 113667 | 16/09/1989 | Stud Book | Not Eligible |
| OSTERLEY KISMET | Mare | GREY | 116990 | 13/10/1992 | Stud Book | Not Eligible |
| OSTERLEY JAVA - HSH | Stallion | BROWN | 133173 | 18/09/1996 | Stud Book | Not Eligible |
| OSTERLEY IMPACT | Gelding | BROWN | 116988 | 13/11/1990 | Stud Book | Not Eligible |
| OSTERLEY HIGHLIGHT | Stallion | CHESTNUT | F111027 | 01/08/1988 | Foal Recorded | Deceased |
| OSTERLEY HAVANA | Gelding | BROWN | 116998 | 21/12/1994 | Stud Book | Eligible |
| OSTERLEY GLOW | Mare | CHESTNUT | 76308 | 01/08/1981 | Stud Book | Deceased |
| OSTERLEY GIFT | Mare | CHESTNUT | 113668 | 03/09/1989 | Stud Book | Deceased |
| OSTERLEY FLAIR - HSH | Mare | BROWN | 116991 | 14/10/1992 | Stud Book | Not Eligible |
| OSTERLEY CELEBRATION | Gelding | CHESTNUT | 102794 | 01/01/1987 | Stud Book | Not Eligible |
| OSTERLEY CAMEO | Mare | GREY | 220769 | 17/01/1988 | Stud Book | Not Eligible |
| OSTERLEY BRIGADOON | Gelding | BLACK | 111028 | 17/12/1988 | Stud Book | Deceased |
| OSTEO HUSTLE - HSH | Gelding | BLACK/GREY | 268583 | 19/10/2019 | Stud Book | Not Eligible |
| OSTAL | Gelding | BAY | 69604 | 01/08/1980 | Stud Book | Deceased |
| OSSETORY | Mare | CHESTNUT | 2369 | Stud Book | Deceased | |
| OSMOLITE | Mare | BAY | B2-234465 | 05/02/1999 | Breeding Purposes Only - Second Cross | Not Eligible |
| OSLANDS DAWN - HSH | Mare | BAY | 681 | 01/08/1961 | Stud Book | Deceased |
| OSLANDS BELLE - HSH | Mare | BAY | 239 | 01/08/1964 | Stud Book | Deceased |
| OSLANDS ABBEYS GIFT - HSH | Stallion | BLACK | 57762 | 24/01/1979 | Stud Book | Deceased |
| OSLAND PASTURES VEGAS | Stallion | CHESTNUT | 193047 | 20/11/2009 | Stud Book | Eligible |
| OSLAND PASTURES VALVOLINE - HSH | Mare | BROWN | 135419 | 16/12/1998 | Stud Book | Deceased |
| OSLAND PASTURES VALETTE | Mare | BLACK | 186552 | 29/09/2005 | Stud Book | Eligible |
| OSLAND PASTURES VALENTINE | Mare | CHESTNUT | 135421 | 20/11/1995 | Stud Book | Eligible |
| OSLAND PASTURES VAL - HSH | Mare | BROWN | 71022 | 02/11/1979 | Stud Book | Deceased |
| OSLAND PASTURES TWIGGY | Mare | BROWN | C1-186561 | 07/12/2006 | First Cross | Deceased |
| OSLAND PASTURES TRIXY | Mare | BLACK | 241446 | 14/11/2011 | Stud Book | Eligible |
| OSLAND PASTURES TOBY | Gelding | BLACK | 241445 | 03/02/2016 | Stud Book | Eligible |
| OSLAND PASTURES THATS HIM | Gelding | BAY | C2-193046 | 15/10/2009 | Second Cross | Not Eligible |
| OSLAND PASTURES SUSIE | Mare | BAY | C2-186554 | 12/12/2001 | Second Cross | Eligible |
| OSLAND PASTURES STYLIST | Gelding | BAY/ROAN | C1-241094 | 19/12/2014 | First Cross | Eligible |
| OSLAND PASTURES STYLISH | Gelding | CHESTNUT/ROAN | C1-270219 | 11/10/2022 | First Cross | Eligible |
| OSLAND PASTURES SPIDER | Gelding | CHESTNUT | 135422 | 16/10/1995 | Stud Book | Not Eligible |
| OSLAND PASTURES SHEZATASSA | Mare | BAY/BROWN | C1-192296 | 30/10/2007 | First Cross | Not Eligible |
| OSLAND PASTURES SALTY - HSH | Gelding | DUN | 169118 | 02/08/2005 | Stud Book | Deceased |
| OSLAND PASTURES SAINTLY | Stallion | CHESTNUT | 270155 | 15/12/2019 | Stud Book | Eligible |
| OSLAND PASTURES ROSIES GIFT | Mare | BLACK | 106333 | 17/09/1985 | Stud Book | Deceased |
| OSLAND PASTURES ROSEMARY | Mare | BLACK | 106335 | 27/09/1986 | Stud Book | Deceased |
| OSLAND PASTURES RICKI | Mare | BROWN | C1-186560 | 25/11/2005 | First Cross | Eligible |
| OSLAND PASTURES REWIND - HSH | Stallion | BAY | 241444 | 13/11/2014 | Stud Book | Eligible |
| OSLAND PASTURES REWARD - HSH | Gelding | BROWN | 250982 | 08/12/2017 | Stud Book | Eligible |
| OSLAND PASTURES READYAS | Mare | CHESTNUT | 186553 | 03/11/2005 | Stud Book | Not Eligible |
| OSLAND PASTURES REACTION | Gelding | DUN | C2-186556 | 05/08/2002 | Second Cross | Not Eligible |
| OSLAND PASTURES RAYLENE - HSH | Mare | BAY | 61191 | 12/01/1979 | Stud Book | Deceased |
| OSLAND PASTURES PRINCESS | Mare | BAY | 156760 | 30/12/2001 | Stud Book | Not Eligible |
| OSLAND PASTURES PLUM PRETTY | Mare | BAY | 156762 | 17/12/1997 | Stud Book | Deceased |
| OSLAND PASTURES PHEOBE | Mare | BROWN/TAFFY | 190938 | 24/08/2008 | Stud Book | Eligible |
| OSLAND PASTURES PEACHES | Mare | BAY | C1-135416 | 02/11/1993 | First Cross | Deceased |
| OSLAND PASTURES PASSION | Mare | BAY | 156758 | 20/12/2000 | Stud Book | Eligible |
| OSLAND PASTURES NOELENE - HSH | Mare | BAY | 40538 | 01/01/1974 | Stud Book | Deceased |
| OSLAND PASTURES MIMIC | Gelding | CHESTNUT | C1-241090 | 20/12/2015 | First Cross | Not Eligible |
| OSLAND PASTURES MAY - HSH | Mare | BAY | 70095 | 01/08/1981 | Stud Book | Not Eligible |
| OSLAND PASTURES MAVERICK | Gelding | CHESTNUT | C1-241093 | 07/10/2014 | First Cross | Eligible |
| OSLAND PASTURES LITTLE JUNE - HSH | Mare | BAY | 156763 | 18/08/1995 | Stud Book | Not Eligible |
| OSLAND PASTURES LITTLE BEAUTY | Mare | BLACK | C1-135417 | 09/09/1990 | First Cross | Eligible |
| OSLAND PASTURES LEVI | Gelding | CHESTNUT | C1-253610 | 02/11/2017 | First Cross | Eligible |
| OSLAND PASTURES KELLY | Mare | BROWN | C1-186559 | 29/08/2005 | First Cross | Eligible |
| OSLAND PASTURES JUNIOR - HSH | Gelding | BAY | C2-230848 | 20/08/2009 | Second Cross | Not Eligible |
| OSLAND PASTURES JULY - HSH | Mare | BAY | 70690 | 16/11/1981 | Stud Book | Not Eligible |
| OSLAND PASTURES JOKER | Stallion | CHESTNUT | C1-158870 | 17/11/1996 | First Cross | Not Eligible |
| OSLAND PASTURES JODIE | Mare | BAY | C1-241443 | 23/10/2012 | First Cross | Eligible |
| OSLAND PASTURES IVY | Mare | BLACK | 253609 | 28/12/2016 | Stud Book | Eligible |
| OSLAND PASTURES IMPULSE | Mare | BAY | C2-241442 | 13/12/2014 | Second Cross | Not Eligible |
| OSLAND PASTURES HAWKE - HSH | Gelding | BROWN | 70360 | 12/11/1982 | Stud Book | Not Eligible |
| OSLAND PASTURES GAMBLER - HSH | Gelding | BROWN | C2-241441 | 07/11/2015 | Second Cross | Not Eligible |
| OSLAND PASTURES FASEY - HSH | Mare | BROWN | 156757 | 18/02/1997 | Stud Book | Eligible |
| OSLAND PASTURES FANTASY | Mare | BROWN | 190935 | 19/11/2008 | Stud Book | Not Eligible |
| OSLAND PASTURES ELVIS | Gelding | CHESTNUT/ROAN | C1-256705 | 02/11/2018 | First Cross | Eligible |
| OSLAND PASTURES ELLIE | Mare | BROWN | C2-230710 | 22/11/2009 | Second Cross | Eligible |
| OSLAND PASTURES CRYSTAL | Mare | CHESTNUT | C1-237448 | 17/11/2012 | First Cross | Eligible |
| OSLAND PASTURES CREAMING SODA - HSH | Mare | CHESTNUT | C2-234188 | 17/11/2011 | Second Cross | Not Eligible |
| OSLAND PASTURES CRACAJAC | Stallion | BAY | 186558 | 24/11/2006 | Stud Book | Eligible |
| OSLAND PASTURES CORODA | Gelding | BAY | 237857 | 14/11/2013 | Stud Book | Eligible |
| OSLAND PASTURES COLLETTE | Mare | CHESTNUT | 40537 | 01/01/1975 | Stud Book | Not Eligible |
| OSLAND PASTURES COBADAH | Gelding | CHESTNUT | C2-237856 | 05/01/2014 | Second Cross | Eligible |
| OSLAND PASTURES CLARRY | Gelding | BLACK | C1-241089 | 10/10/2015 | First Cross | Eligible |
| OSLAND PASTURES CHRISTMAS BELL | Mare | BAY | 106334 | 25/12/1984 | Stud Book | Deceased |
| OSLAND PASTURES CAVALIER | Gelding | BAY | 234187 | 21/11/2011 | Stud Book | Eligible |
| OSLAND PASTURES CASSANOVA | Stallion | BAY | 186557 | 27/11/2007 | Stud Book | Eligible |