| Dunboyne | |
|---|---|
| Sire | Uncas |
| Grandsire | Lexington |
| Dam | Frey |
| Damsire | Dundee |
| Sex | Stallion |
| Foaled | 1884 |
| Country | United States |
| Colour | Bay |
| Breeder | William Jennings |
| Owner | William Jennings |
| Trainer | William Jennings |
| Major wins | |
|
Triple Crown wins: Preakness Stakes (1887) |
|
Dunboyne was an American Thoroughbred racehorse. He won the 1887 Preakness Stakes.