| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| Young Lass of the Mill | bay | f | 1756 | Oroonoko | Thoroughbred | Great Britain | ||
| Young Marske | bay | c | 1771 | Marske | Thoroughbred | Great Britain | ||
| Young Marske mare | f | 1785 | Young Marske | Brother To Silvio mare | Thoroughbred | Great Britain | ||
| Young Marske mare | bay | f | 1786 | Young Marske | Pyrrha | Thoroughbred | Great Britain | |
| Young Marske mare | bay | f | 1795 | Young Marske | Gentle Kitty | Thoroughbred | Great Britain | |
| Young Melbourne | bay | c | 1855 | Melbourne | Clarissa | Thoroughbred | Great Britain | |
| Young Melbourne mare | br. | f | 1859 | Young Melbourne | Maid of Masham | Thoroughbred | Great Britain | |
| Young Peter | c | Thoroughbred | ||||||
| Young Pitshill | f | 1810 | Thoroughbred | Great Britain | ||||
| Young Polly | bay | f | 1983 | Del Sarto | Polly Peg | Thoroughbred | SAF |