| Name | Post Boy (US) |
| YoB | |
| Sex | horse |
| Colour | |
| Sire | Young Andrew Jackson (US) |
| Dam | Dam of Post Boy (US) |
| Damsire | Old Post Boy xx (USA) |
| Breeder | |
| Birthplace |
| Post Boy (US) | Young Andrew Jackson (US) | Long Island Black Hawk (US), 1837 | Andrew Jackson (US), 1827 |
| Sally Miller (US), 1825 | |||
| ? | ? | ||
| ? | |||
| Dam of Post Boy (US) | Old Post Boy xx (USA) | Duroc xx (USA), 1806 | |
| ? | ? | ||
| ? |
| Colour | Gender | Pedigree | Breeder | ||
|---|---|---|---|---|---|
| - | Dolly Batchelder (US) | dark bay | mare | Post Boy (US) - ? | Ira Batchelder |
| - | Son of Post Boy (US) | horse | Post Boy (US) - ? |