| Regimental number | 6864 |
| Other Names | Malcolm Mackentosh |
| Religion | Presbyterian |
| Occupation | Clerk |
| Address | 3rd Avenue, St Peters, South Australia |
| Marital status | Single |
| Age at embarkation | 22 |
| Next of kin | Mother, Mrs Edith J Gordon, 3rd Avenue, St Peters, South Australia |
| Enlistment date | 18 June 1915 |
| Rank on enlistment | Private |
| Unit name | 8th Infantry Brigade, 8th Field Ambulance Sections B and C |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A11 Ascanius on 10 November 1915 |
| Regimental number from Nominal Roll | Commissioned |
| Rank from Nominal Roll | 2nd Lieutenant |
| Unit from Nominal Roll | 15th Field Ambulance |
| Fate | Returned to Australia 16 January 1919 |
| Date of death | 25 July 1969 |
| Age at death | 76 |
| Place of burial | Cadell Cemetery, South Australia |
