| Place of birth | Wandsworth, England |
| School | Dulwich College, England |
| Age on arrival in Australia | 26 |
| Religion | Church of England |
| Occupation | Accountant |
| Address | 44 Norfolk Street, Paddington, Sydney, New South Wales |
| Marital status | Married |
| Age at embarkation | 30 |
| Next of kin | Wife |
| Previous military service | Served in the Infantry, Sydney, NSW |
| Enlistment date | |
| Rank on enlistment | Lieutenant |
| Unit name | 13th Battalion, C Company |
| AWM Embarkation Roll number | 23/30/1 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A38 Ulysses on |
| Rank from Nominal Roll | Lieutenant |
| Unit from Nominal Roll | 13th Battalion |
| Other details from Roll of Honour Circular | Name given on RoHc is: Hubert Hartnell-Sinclair |
| Fate | Died of wounds |
| Place of death or wounding | Gallipoli, Turkey |
| Age at death | 30 |
| Other details |
War service: Egypt, Gallipoli Medals: 1914-15 Star, British War Medal, Victory Medal |
Postal Address:
Po Box 7916
Canberra BC 2610, Australia
Street Address:
Northcott Drive,
Campbell, ACT 2600
