| Name: | MARY BLAKE |
| Launched: | 15/12/1909 |
| Completed: | 02/1910 |
| Builder: | Hepple & Co, South Shields |
| Yard Number: | 601 |
| Dimensions: | 70grt, 0nrt, 71.3 x 19.1 x 9.3ft |
| Engines: | C2cyl, 75nhp, 375ihp; (1953: Oil engine, 480bhp) |
| Engines by: | Hepple & Co, South Shields |
| Propulsion: | 1 x Screw |
| Construction: | Steel |
| Reg Number: | 129073 |
| History: | |
| 11/02/1910 | Thames Steam Tug & Lighterage Co Ltd; registered at London |
| 192x | R G Odell Ltd, London; renamed DENTON |
| 1953 | Renamed CHURCHILL |
| 1972 | J Sullivan, Greenland Dock, Thames |
| Believed broken up | |
| Comments: | 19/12/1939 to 07/1942: On Admiralty balloon barrage service |
| 07/1942 to 19/08/1946: On naval service, managed by Ross & Marshall Ltd | |
| 19/08/1946: Returned to owners | |
| 1953: Re-engined with an oil engine 480bhp-358kW |

Above photo as MARY BLAKE is courtesy of Ben Mann

Above photo as DENTON is courtesy of David Asprey

Above photo as CHURCHILL is courtesy of Barney Hunt

Above photo as CHURCHILL is courtesy of Barney Hunt

Above photo as CHURCHILL is courtesy of David Asprey