| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| Young Sir Peter mare | grey | f | 1791 | Young Sir Peter | Engineer mare | Thoroughbred | Great Britain | |
| Young Susan | bay | f | 1817 | Thoroughbred | Great Britain | |||
| Young Tramp | bay | c | 1818 | Thoroughbred | Great Britain | |||
| Young True Blue | grey | c | 1718 | Honywoods Arabian | Byerley Turk Mare | Thoroughbred | Great Britain | |
| Young Urganda | grey | f | 1819 | Thoroughbred | Great Britain | |||
| Young Venison | bay | c | 1849 | Thoroughbred | Great Britain | |||
| Young Whiteneck | grey | f | 1739 | Godolphin Arabian | Old Whiteneck | Thoroughbred | Great Britain | |
| Young Worry | bay | f | 1831 | Emilius | Thoroughbred | Great Britain | ||
| 1016-5 Young York | grey | c | 2005 | 643094100003349 | Hap | Griddle | Thoroughbred | USA |
| Youpickem | bay | f | 1978 | Droll Role | Analisa | Thoroughbred | USA |