
| Regimental number | 2443 |
| Place of birth | Toodyay, Western Australia |
| School | Toodyay State School and Scot's College, Western Australia |
| Age on arrival in Australia | 32 |
| Religion | Church of England |
| Occupation | Labourer |
| Marital status | Married |
| Age at embarkation | 22 |
| Next of kin | Wife, Mrs Ethel Marianne Sinclair, Riversdale, Toodyay, Western Australia |
| Previous military service | Served for three years in the 18th Australian Light Horse, Toodyay, Western Australia. |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Rank on enlistment | Private |
| Unit name | 11th Battalion, 7th Reinforcement |
| AWM Embarkation Roll number | 23/28/2 |
| Embarkation details | Unit embarked from Fremantle, Western Australia, on board HMAT A63 Karoola on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 11th Battalion |
| Fate | Killed in Action |
| Place of death or wounding | Gallipoli, Turkey |
| Age at death | 32 |
| Age at death from cemetery records | 32 |
| Place of burial | Shell Green Cemetery (Plot II, Row I, Grave No. 23), Gallipoli, Turkey |
| Panel number, Roll of Honour, Australian War Memorial | 64 |
| Miscellaneous information from cemetery records | Parents: William and Jane SINCLAIR; husband of Ethel SINCLAIR, "Tanjories", Toodyay, Western Australia. Native of Toodyay |
| Family/military connections | 1st Cousins: No.829 Cecil Hilary Sinclair, 10th Australian Light Horse, who was killed in action at Raffa in the Middle East on 9 January 1917. |
| Other details |
War service: Egypt, Gallipoli Medals: 1914-15 Star, British War Medal, Victory Medal |