| Name: | BLENHEIM |
| Type: | Sailing Vessel |
| Launched: | 21/06/1845 |
| Completed: | 09/1845 |
| Builder: | Middle Dock Co |
| Yard: | West Holborn, South Shields |
| Yard Number: | |
| Dimensions: | 808tonsb, 134.7 x 29.6 x 22.4ft |
| Engines: | None |
| Engines by: | n/a |
| Propulsion: | Sail, rigged as a Ship |
| Construction: | Wood |
| Reg Number: | n/a |
| History: | |
| 16/09/1845 | Duncan Dunbar, Limehouse, London |
| 1859 | Sank |
| Comments: | Also seen as built by Andrew McLeod. He was a partner in the Middle Dock Co |
| Made a number of voyages to Australia with convicts | |
| 1859: Foundered |