| Regimental number | 2445 |
| Place of birth | Dunbarton, Scotland |
| Religion | Presbyterian |
| Occupation | Marine engineer |
| Address | Garmoyle, Ballast Point Road, Balmain, Sydney, New South Wales |
| Marital status | Single |
| Age at embarkation | 35 |
| Height | 5' 8" |
| Weight | 126 lbs |
| Next of kin | Father, John Sinclair Garmoyle, Ballast Point Road, Balmain, Sydney, New South Wales |
| Previous military service | Nil |
| Enlistment date | |
| Place of enlistment | Liverpool, New South Wales |
| Rank on enlistment | Private |
| Unit name | 17th Battalion, 5th Reinforcement |
| AWM Embarkation Roll number | 23/34/2 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A32 Themistocles on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 53rd Battalion |
| Fate | Returned to Australia |
| Miscellaneous information from cemetery records | Parents: John and Ellison SINCLAIR |
| Discharge date | |
| Other details |
Commenced return to Australia on board HT 'Nevasa', 5 March 1919; disembarked Sydney, 23 April 1919; discharged (termination of period of enlistment), Sydney, 18 June 1919. Medals: 1914-15 Star, British War Medal, Victory Medal Death attributed to war service. |
| Date of death | |
| Age at death | 52 |
| Place of burial | Field of Mars Cemetery, New South Wales |
| Sources | NAA: B2455, SINCLAIR Alex Aikeman |