| Name | Sex | Colour | Registration | Foaling Date | Reg Status | Competition Status |
|---|---|---|---|---|---|---|
| YOUNGMERE JIMI HENDRIX | Stallion | BLACK | 268277 | 07/01/2023 | Stud Book | Eligible |
| YOUNGMERE MAGNETO | Gelding | BLACK | 269488 | 23/11/2024 | Stud Book | Eligible |
| YOUNGMERE MAYBELLINE - HSH | Mare | BAY | 268185 | 08/08/2023 | Stud Book | Eligible |
| YOUNGMERE MONTANA | Mare | BLACK/GREY | C1-263561 | 14/01/2014 | First Cross | Eligible |
| YOUNGMERE NOVAK | Gelding | CHESTNUT | C1-265581 | 22/10/2016 | First Cross | Eligible |
| YOUNGMERE WOLVERINE | Gelding | BAY | 269487 | 22/12/2023 | Stud Book | Eligible |
| YOUNGS BETTY | Mare | BAY | 5308 | Stud Book | Deceased | |
| YOUNGS ENID | Mare | BAY | 48933 | 17/09/1967 | Stud Book | Deceased |
| YOUNGS FLEET | Mare | BAY | 8202 | Stud Book | Deceased | |
| YOUNGS FUTURE | Mare | CHESTNUT | 48934 | Stud Book | Not Eligible | |
| YOUNGS JETSTAR | Mare | BROWN/BLACK | C1-239817 | 27/09/2010 | First Cross | Not Eligible |
| YOUNGS JORGE | Mare | CHESTNUT | 17779 | 21/07/1969 | Stud Book | Deceased |
| YOUNGS MELODY | Mare | BAY | 5311 | 30/08/1968 | Stud Book | Deceased |
| YOUNGS MISCHIEF | Mare | CHESTNUT | 1293 | Stud Book | Deceased | |
| YOUNGS NARDOO | Mare | BAY | 5309 | Stud Book | Deceased | |
| YOUNGS PONY | Mare | BAY | 5310 | Stud Book | Deceased | |
| YOUNGS PRINCESS | Mare | BAY | 5312 | 30/08/1965 | Stud Book | Deceased |
| YOUNGS RHODA | Mare | BAY | 4595 | 01/08/1965 | Stud Book | Deceased |
| YOUNGS SATIN | Mare | BROWN | 2291 | Stud Book | Deceased | |
| YOUNGS SECRET | Mare | CHESTNUT | 1294 | Stud Book | Deceased | |
| YOUNGS SILVER | Stallion | CHESTNUT | 5307 | Stud Book | Deceased | |
| YOUNGSEN | Stallion | BAY | F6502 | 31/12/1976 | Foal Recorded | Not Eligible |
| YOUNGSTAR AMAZING GRACE | Mare | BAY | 231266 | 05/12/2010 | Stud Book | Eligible |
| YOUNGSTAR BARONESS - HSH | Mare | BAY | 231249 | 14/01/2013 | Stud Book | Eligible |
| YOUNGSTAR BRADMANS GLORY - HSH | Mare | BAY | 231250 | 18/11/2011 | Stud Book | Eligible |
| YOUNGSTAR BRADMANS SAPPHIRE - HSH | Mare | BAY | 234555 | 18/10/2010 | Stud Book | Eligible |
| YOUNGSTAR BRADMANS SKY - HSH | Mare | CHESTNUT | 238356 | 15/11/2011 | Stud Book | Not Eligible |
| YOUNGSTAR BRADMANS VISION | Mare | CHESTNUT | 234554 | 17/10/2010 | Stud Book | Eligible |
| YOUNGSTAR COCO | Mare | BROWN | C2-197610 | 01/01/2010 | Second Cross | Eligible |
| YOUNGSTAR DATE WITH MARTINI | Mare | BAY | 229270 | 07/11/2010 | Stud Book | Not Eligible |
| YOUNGSTAR JESTER | Stallion | BAY/BROWN | 231252 | 09/02/2012 | Stud Book | Eligible |
| YOUNGSTAR MARNIES ARROW | Gelding | BAY | 243637 | 09/02/2013 | Stud Book | Eligible |
| YOUNGSTAR MARNIES BANDIT | Gelding | BROWN | 270489 | 09/11/2014 | Stud Book | Eligible |
| YOUNGSTAR MARNIES BARTENDER | Gelding | BAY/BROWN | 175788 | 01/12/2005 | Stud Book | Not Eligible |
| YOUNGSTAR MARNIES CHARLIE | Gelding | BAY | 266480 | 22/12/2020 | Stud Book | Not Eligible |
| YOUNGSTAR MARNIES CHARM | Mare | BROWN | 241525 | 16/01/2014 | Stud Book | Not Eligible |
| YOUNGSTAR MARNIES DIVA | Mare | BAY | 262798 | 20/12/2018 | Stud Book | Eligible |
| YOUNGSTAR MARNIES DIXIE | Mare | BAY | 231253 | 14/01/2012 | Stud Book | Eligible |
| YOUNGSTAR MARNIES DUKE | Stallion | BROWN | 241382 | 25/12/2011 | Stud Book | Eligible |
| YOUNGSTAR MARNIES GLAMOUR | Mare | BROWN | 197611 | 20/12/2009 | Stud Book | Eligible |
| YOUNGSTAR MARNIES IMPACT | Gelding | BAY | 256263 | 25/11/2016 | Stud Book | Eligible |
| YOUNGSTAR MARNIES JACKSON | Gelding | BAY | C2-249502 | 29/12/2013 | Second Cross | Eligible |
| YOUNGSTAR MARNIES JULIET | Mare | BAY | 248284 | 02/01/2015 | Stud Book | Eligible |
| YOUNGSTAR MARNIES LATTE | Mare | CHESTNUT | 241526 | 20/01/2014 | Stud Book | Eligible |
| YOUNGSTAR MARNIES LYRICAL | Gelding | BLACK | 232186 | 01/12/2011 | Stud Book | Not Eligible |
| YOUNGSTAR MARNIES MACY | Mare | BAY | 180602 | 07/12/2006 | Stud Book | Eligible |
| YOUNGSTAR MARNIES MARIO | Gelding | BAY | 229269 | 15/11/2011 | Stud Book | Not Eligible |
| YOUNGSTAR MARNIES MIA | Mare | BAY | 231255 | 16/01/2012 | Stud Book | Eligible |
| YOUNGSTAR MARNIES POPPY | Mare | BROWN | 270490 | 04/02/2016 | Stud Book | Eligible |
| YOUNGSTAR MARNIES POSSUM | Mare | BAY | C1-261777 | 25/12/2015 | First Cross | Not Eligible |
| YOUNGSTAR MARNIES PROMISE | Mare | BLACK | 249503 | 09/12/2014 | Stud Book | Eligible |
| YOUNGSTAR MARNIES RITCHIE | Gelding | BAY | 266479 | 13/01/2017 | Stud Book | Eligible |
| YOUNGSTAR MARNIES STORM | Mare | BAY | 262799 | 10/02/2014 | Stud Book | Eligible |
| YOUNGSTAR MARNIES TAX MAN | Stallion | BAY | 254670 | 06/11/2016 | Stud Book | Eligible |
| YOUNGSTAR MARNIES WHISPER | Mare | BAY | 249501 | 21/11/2014 | Stud Book | Eligible |
| YOUNGSTAR MD SPINNIN STARLIGHT | Mare | BAY | C1-197612 | 16/11/2009 | First Cross | Eligible |
| YOUNGSTAR MIDNIGHT LADY - HSH | Mare | BROWN/BLACK | 231256 | 13/01/2013 | Stud Book | Eligible |
| YOUNGSTAR MISS CHICK - HSH | Mare | CHESTNUT | 244971 | 20/11/2010 | Stud Book | Not Eligible |
| YOUNGSTAR SADIES GIFT | Mare | BAY | C1-268180 | 07/10/2018 | First Cross | Eligible |
| YOUORTA | Mare | DUN | 41143 | 10/10/1975 | Stud Book | Not Eligible |
| YOUPEADOT CECILY | Mare | BROWN | 267745 | 14/12/2021 | Stud Book | Eligible |
| YOUPEADOT CILLA | Mare | CHESTNUT | 270701 | 25/08/2023 | Stud Book | Eligible |
| YOUPEADOT ELEGANT | Mare | BLACK | 265570 | 01/11/2006 | Stud Book | Eligible |
| YOUPEADOT ELLIE | Mare | CHESTNUT | 265569 | 25/09/1999 | Stud Book | Eligible |
| YOUPEADOT NEVA | Mare | BROWN/BLACK | 267061 | 22/11/2021 | Stud Book | Not Eligible |
| YOUPEADOT PIXIE | Mare | BAY | C2-152257 | 22/09/2000 | Second Cross | Not Eligible |
| YOUR ALLA CLANCY | Gelding | CHESTNUT | 54575 | 10/10/1965 | Stud Book | Deceased |
| YOUR ALLA LADY | Mare | BROWN | 54574 | 20/10/1968 | Stud Book | Deceased |
| YOUR DESTINY STORM | Mare | BROWN | C1-265580 | 26/09/2020 | First Cross | Eligible |
| YOURAKI FABUBEY | Gelding | BAY | 72735 | 10/09/1981 | Stud Book | Not Eligible |
| YOURE MY HONEY | Mare | CHESTNUT | B2-187338 | 30/08/1998 | Breeding Purposes Only - Second Cross | Not Eligible |
| YOURILLA JOANNE | Mare | BROWN | 50542 | 09/01/1970 | Stud Book | Deceased |
| YOURILLA LOCKET | Mare | CHESTNUT | 38071 | 01/10/1971 | Stud Book | Deceased |
| YOURILLA ROCKET | Mare | CHESTNUT | 50543 | 01/11/1975 | Stud Book | Not Eligible |
| YOURILLA SAM | Stallion | CHESTNUT | 50544 | 17/09/1973 | Stud Book | Not Eligible |
| YOURILLA SHAMROCK | Mare | CHESTNUT | 38070 | Stud Book | Not Eligible | |
| YOURILLA SUSAN | Mare | CHESTNUT | F28034 | 19/09/1980 | Foal Recorded | Not Eligible |
| YOURS MINE AN CO | Stallion | DUN | F23961 | 24/09/1979 | Foal Recorded | Not Eligible |
| YOUTH DEW - HSH | Mare | BAY | 62982 | 16/09/1979 | Stud Book | Deceased |
| YOUTHAVALLEY SASSY LASS | Mare | CHESTNUT | 268227 | 04/11/2022 | Stud Book | Eligible |
| YOW YOW | Gelding | GREY | 11258 | Stud Book | Deceased | |
| YOWADA BELLS | Mare | BROWN | 21926 | Stud Book | Deceased | |
| YOWADA CHIEFTAIN - HSH | Stallion | BROWN | 231111 | 10/10/2010 | Stud Book | Deceased |
| YOWADA CLASS - HSH | Mare | BROWN | 174442 | 23/10/2004 | Stud Book | Eligible |
| YOWADA DANIELLE | Mare | BAY | C1-130712 | 01/08/1987 | First Cross | Deceased |
| YOWADA DECORUM | Gelding | BAY | 236468 | 08/08/2013 | Stud Book | Eligible |
| YOWADA ELOQUENT | Mare | BAY | 192563 | 12/08/2004 | Stud Book | Eligible |
| YOWADA FROLIC | Mare | BROWN | 9090 | Stud Book | Deceased | |
| YOWADA GRACE | Mare | BROWN/BLACK | 238150 | 01/08/2006 | Stud Book | Eligible |
| YOWADA JEMMA | Mare | BAY | 21924 | Stud Book | Deceased | |
| YOWADA KWIK STEP - HSH | Mare | BAY | 192564 | 26/10/2008 | Stud Book | Eligible |
| YOWADA LANTELL | Gelding | BROWN | 47934 | 11/10/1971 | Stud Book | Deceased |
| YOWADA LOOLA | Mare | BAY | 21925 | Stud Book | Deceased | |
| YOWADA MACHO MAN | Stallion | BROWN | F26213 | 16/11/1980 | Foal Recorded | Not Eligible |
| YOWADA MANDY | Mare | BROWN | 9091 | Stud Book | Deceased | |
| YOWADA MEDUSA | Mare | BAY | C2-192565 | 21/11/2005 | Second Cross | Eligible |
| YOWADA MINILYA MISS | Mare | BROWN | F16282 | 19/11/1978 | Foal Recorded | Not Eligible |
| YOWADA MISS MEEKA | Mare | BROWN | F12435 | 30/08/1977 | Foal Recorded | Not Eligible |
| YOWADA OLYMPIC HERITAGE | Mare | BAY | 36407 | 02/05/1971 | Stud Book | Deceased |
| YOWADA SAMBUCA | Gelding | BROWN/BLACK | 185213 | 19/03/2001 | Stud Book | Eligible |