| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| Young Empress | bay | f | 1957 | Petition | Jennifer | Thoroughbred | Great Britain | |
| Young Flyer | d.-bay | f | 1984 | Flying Paster | Youthful Lady | Thoroughbred | USA | |
| Young Generation | bay | c | 1976 | Balidar | Brig O'Doon | Thoroughbred | Ireland | |
| Young Giantess | bay | f | 1790 | Diomed | Giantess | Thoroughbred | Great Britain | |
| Young Gohanna | grey | c | 1810 | Thoroughbred | Great Britain | |||
| Young Greyhound | grey | c | 1718 | Greyhound | Thoroughbred | Great Britain | ||
| Young Greyhound mare | f | Young Greyhound | Curwen Barb mare | Thoroughbred | Great Britain | |||
| Young Grimaldi | c | Thoroughbred | Great Britain | |||||
| Young Hag | grey | f | 1761 | Skim | Hag | Thoroughbred | Great Britain | |
| Young Hautboy | c | Fox | Thoroughbred | Great Britain |