| Regimental number | 1664 |
| Place of birth | Adelaide, South Australia |
| Other Names | William Henry |
| Religion | Church of England |
| Occupation | Labourer |
| Marital status | Married |
| Age at embarkation | 44 |
| Height | 5' 4.75" |
| Weight | 173 lbs |
| Next of kin | Eva G Blencowe, 10 Alexandra Parade, Fitzroy, Melbourne, Victoria |
| Enlistment date | |
| Place of enlistment | Melbourne, Victoria |
| Rank on enlistment | Private |
| Unit name | 21st Battalion, 2nd Reinforcement |
| AWM Embarkation Roll number | 23/38/2 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A64 Demosthenes on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 23rd Battalion |
| Fate | Returned to Australia |
| Family/military connections | Son: [1070] Lt Frederick William BLENCOWE MM, 21st Bn, returned to Australia, 15 May 1919. |
| Other details |
War service: Egypt Medals: 1914-15 Star, British War Medal, Victory Medal |
| Sources | NAA: B2455, BLENCOWE Harry William |