| Regimental number | 24418 |
| Place of birth | Melbourne, Victoria |
| Religion | Presbyterian |
| Occupation | Farmer |
| Address | Tullamarine, Victoria |
| Marital status | Single |
| Age at embarkation | 25 |
| Height | 5' 3.25" |
| Weight | 130 lbs |
| Next of kin | Father, A McNab, 'Oakbank', Tullamarine, Victoria |
| Previous military service | Nil |
| Enlistment date | |
| Rank on enlistment | Driver |
| Unit name | Divisional Ammunition Column 3, Section 1 |
| AWM Embarkation Roll number | 25/91/1 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A37 Barambah on |
| Rank from Nominal Roll | Corporal |
| Unit from Nominal Roll | 3rd Divisional Ammunition Column |
| Fate | Returned to Australia |
| Discharge date | |
| Other details |
War service: Western Front Commenced return to Australia on board HT 'Borda', 26 September 1917; discharged (medically unfit: debility and painful scar after appendectomy), Melbourne, 22 December 1917. Medals: British War Medal, Victory Medal |
| Miscellaneous details | Surname incorrectly entered on Embarkation Roll as MACNAB; address incorrectly entered as 'Oaklands'.. |
| Sources | NAA: B2455, McNAB John Alexander Grant |