| Regimental number | 1731 |
| Place of birth | Coolamon New South Wales |
| Religion | Church of England |
| Occupation | Labourer |
| Address | Thorne Street, Wagga Wagga, New South Wales |
| Marital status | Single |
| Age at embarkation | 21 |
| Next of kin | Father, J E Sinclair, Wagga Wagga, New South Wales |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 55th Battalion, 2nd Reinforcement |
| AWM Embarkation Roll number | 23/72/3 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A40 Ceramic on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 55th Battalion |
| Fate | Returned to Australia |
| Family/military connections | Brother: 7046 Pte George Clarence SINCLAIR, 1st Bn, killed in action, 3 October 1917. |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |
| Date of death | |
| Place of burial | Northern Suburbs Crematorium |
Postal Address:
Po Box 7916
Canberra BC 2610, Australia
Street Address:
Northcott Drive,
Campbell, ACT 2600
