| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| Uncandy | d.-bay | c | 2015 | Sidney's Candy | Undeterred | Thoroughbred | USA | |
| Uncas | bay | c | 1865 | Stockwell | Thoroughbred | Great Britain | ||
| Uncas | bay | c | 1876 | Lexington | Thoroughbred | USA | ||
| Uncharted Haven | bay | f | 1997 | Turtle Island | Tochar Ban | Thoroughbred | Great Britain | |
| Uncle | chestnut | c | 1905 | Star Shoot | The Niece | Thoroughbred | USA | |
| Uncle Bob | bay | c | 1818 | Thoroughbred | Great Britain | |||
| Uncle Chuck | d.-bay | c | 2017 | Uncle Mo | Forest Music | Thoroughbred | USA | |
| Uncle Jess | chestnut | c | 1890 | Sir Modred | Thoroughbred | USA | ||
| Uncle Miltie | bay | c | 1948 | Heather Broom | Thoroughbred | USA | ||
| Uncle Mo | bay | c | 2008 | Indian Charlie | Playa Maya | Thoroughbred | USA |