| Name | Derby Boy (AH) |
| YoB | 1901 |
| Sex | gelding |
| Colour | bay |
| Sire | Callisto (US), 1886 |
| Dam | Derby Lass (US), 1893 |
| Damsire | Charles Derby (US), 1885 |
| Breeder | Gestüt Ebenfurth (Baron Johann Moser) |
| Birthplace | Ebenfurth, Bez. Wiener-Neustadt, Nieder-Österreich (Ebenfurth, Niederösterreich) |