| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| Sushila | d.-bay | f | 1975 | Petingo | Shenandoah III | Thoroughbred | Ireland | |
| Susie | chestnut | f | 1887 | Thoroughbred | Great Britain | |||
| Susie | chestnut | f | 1887 | Charibert | Thoroughbred | Great Britain | ||
| Susie Q.Rice | d.-bay | f | 1961 | Traffic Judge | Mims | Thoroughbred | USA | |
| Susim | bay | c | 1983 | 3262-1 Stoik | 4476 Sangama | Thoroughbred | Beslansk Stud | |
| 1996 Susim | bay | c | 1938 | Thoroughbred | Essentuki Stud | |||
| Suspect Royal | bay | f | 2002 | Royal Applause | 1194-3 Suspense | Thoroughbred | Germany | |
| Suspect Terrain | grey | f | 1989 | Corridor Key | Allegedly | Thoroughbred | USA | |
| 1194-3 Suspense | chestnut | f | 1995 | 643098100043778 | Cadeaux Genereux | Reactress | Thoroughbred | Great Britain |
| 6134-7 Suspense | d.-bay | f | 2016 | 981020019494588 | Will Take Charge | Mystery | Thoroughbred | Peter E. Blum Thoroughbreds, LLC |