| Regimental number | 3043 |
| Date of birth | |
| Place of birth | Toodyay, Western Australia |
| School | Toodyay Public School until 14 years old and then the last two years at Scotch College, Perth |
| Religion | Church of England |
| Occupation | Farmer |
| Address | Stirling Terrace, Toodyay, Western Australia |
| Marital status | Single |
| Age at embarkation | 29 |
| Next of kin | Father, W R Sinclair, Stirling Terrace, Toodyay, Western Australia |
| Enlistment date | |
| Rank on enlistment | Driver |
| Unit name | Divisional Ammunition Column (Sept-Oct 1914) |
| Embarkation details | Unit embarked from Fremantle, Western Australia, on board Transport A7 Medic on |
| Miscellaneous details (Nominal Roll) | Name does not appear on Nominal Roll |
| Miscellaneous information from cemetery records | Parents: William Robert and Jane SINCLAIR |
| Other details |
Medals: 1914-15 Star, British War Medal, Victory Medal |
| Date of death | |
| Age at death | 53 |
| Place of burial | Karrakatta Cemetery, Perth, Western Australia (Church of England Section) |