| Name: | VIGILANT | 
| Type: | Cargo Ship | 
| Launched: | 1855 | 
| Completed: | 1855 | 
| Builder: | TD Marshall | 
| Yard: | South Shields | 
| Yard Number: | |
| Dimensions: | 369grt, 230nrt, 160.7 x 22.1 x 11.5ft; (1877: 414grt, 258nrt, 179.0 x 22.1 x 11.0ft) | 
| Engines: | 2cyl (30 & 30 x 24ins), 60nhp; (1877: CI4cyl (12, 12 & 34, 34 x 26ins), 50nhp) | 
| Engines by: | TD Marshall, South Shields; (1877: Baltic Engineering Works, Hull) | 
| Propulsion: | 1 x Screw | 
| Construction: | Iron | 
| Reg Number: | 24886 | 
| History: | |
| 1855 | William S Andrews; registered at London | 
| by 1861 | Jonathan Dorning, London | 
| by 1864 | Edward F Bird, London | 
| by 1872 | JGT Child, London | 
| 1872 | William France, Leeds | 
| 1884 | William R White, Cardiff | 
| by 1890 | T Corsanego, Genoa; renamed UNIONE | 
| No later history known | |
| Comments: | 1877: Lengthened to 179.0ft, re-engined & reboilered |