| Name: | MIDDLESBRO also seen as MIDDLESBOROUGH |
| Launched: | 1839 |
| Completed: | 12/1839 |
| Builder: | Andrew Bell, North Shields |
| Yard Number: | |
| Dimensions: | 69grt, 22nrt, 72.2 x 14.0 x 8.4ft; (1854: 72grt, 25nrt, 72.2 x 15.1 x 8.4ft); |
| (1858: 64grt, 13nrt, 73.8 x 16.5 x 8.4ft) | |
| Engines: | 1cyl (32 x ?ins), 36nhp |
| Engines by: | |
| Propulsion: | Paddle |
| Construction: | Wood |
| Reg Number: | 5531 |
| History: | |
| 12/1839 | Unknown owner, not registered |
| 13/07/1842 | Middlesbrough-on-Tees Steam Tug Co; registered at Stockton |
| 25/07/1848 | Wisbech Steam Towing Co (John Stoneham Buckley, manager); registered at Wisbech |
| 16/02/1854 | William Teall, Hull; registered at Hull |
| 01/06/1858 | Francis Gill, Middlesbrough; registered at Stockton |
| No later history known | |
| Comments: | 13/06/1842: William Fallows, William Cole, William Harrison and others |
| 1854: Cost at auction £560 | |
| 04/01/1867: British registry closed | |
| Thanks to David Asprey for the above details |

The Newcastle Courant, Friday, 07/02/1840