| Name | Young Engineer (US) |
| YoB | |
| Sex | horse |
| Colour | |
| Sire | Engineer 2nd (US), 1820 |
| Dam | |
| Damsire | |
| Breeder | |
| Birthplace |
| Young Engineer (US) | Engineer 2nd (US), 1820 | Engineer xx (USA), 1802 | Messenger xx (GB), 1780 |
| Dam of Engineer 2nd (US) | Plato xx (USA) | ||
| Grandam of Engineer 2nd (US) | |||
| Colour | Gender | Pedigree | Breeder | ||
|---|---|---|---|---|---|
| 1848 | Dandy (US) | grey | mare | Young Engineer (US) - | Thomas Lewis |
| 1852 | Lucy Almack (US) | bay | mare | Young Engineer (US) - ? | Aaron S. Vail |