| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| Your Host | chestnut | c | 1947 | Alibhai | Boudoir II | Thoroughbred | USA | |
| Your Hostess | chestnut | f | 1949 | Alibhai | Boudoir II | Thoroughbred | USA | |
| Your Majesty | bay | c | 1905 | Persimmon | Yours | Thoroughbred | Great Britain | |
| 5712-7 Your Nobleness | chestnut | f | 2005 | 643094100001275 | Menifee | Skyshine | Thoroughbred | USA |
| Your Witness | d.-bay | f | 1948 | Beau Pere | Juristic | Thoroughbred | USA | |
| Youre So Sweet | d.-bay | f | 2006 | Storm Cat | Angel in My Heart | Thoroughbred | USA | |
| Yours | bay | f | 1894 | Melton | Your Grace | Thoroughbred | Great Britain | |
| Yousefia | bay | f | 1989 | Danzig | Foreign Courier | Thoroughbred | USA | |
| Youth | bay | c | 1973 | Ack Ack | Gazala II | Thoroughbred | USA | |
| Youthful Lady | d.-bay | f | 1978 | Youth | Slew | Thoroughbred | USA |