Rex McDonald
| Rex McDonald | |
|---|---|
| Breed | American Saddlebred | 
| Discipline | Five-gaited | 
| Sire | Rex Denmark | 
| Dam | Lucy Mack | 
| Maternal grandsire | Black Squirrel | 
| Foaled | May 30, 1890 | 
| Died | November 13, 1913 (aged 23) | 
| Breeder | Joe McDonald | 
| Trainer | Billy Davis Tom Bass | 
Rex McDonald was an American Saddlebred stallion. He was only beaten three times in his show career and had an influential career as a sire.