| Date of birth | |
| Religion | Presbyterian |
| Occupation | Accountant |
| Address | 32 Flower Street, Essendon, Victoria |
| Marital status | Single |
| Age at embarkation | 25 |
| Height | 5' 6.5" |
| Weight | 161 lbs |
| Next of kin | Father, Rev Alex Stewart, 32 Flower Street, Essendon, Victoria |
| Previous military service | Served for 3 years in public school cadets. |
| Enlistment date | |
| Rank on enlistment | 2nd Lieutenant |
| Unit name | 8th Light Horse Regiment, 15th Reinforcement |
| AWM Embarkation Roll number | 10/13/4 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A43 Barunga on |
| Rank from Nominal Roll | Lieutenant |
| Unit from Nominal Roll | 4th Light Horse Regiment |
| Fate | Returned to Australia |
| Family/military connections | Brother: 2957 Pte George Shaw STEWART, 4th Light Horse Regiment, returned to Australia, 2 August 1919. |
| Other details |
War service: Egypt, Palestine Medals: British War Medal, Victory Medal |
| Place of burial | Box Hill Cemetery, Victoria |
| Sources | NAA: B2455, STEWART William |