| Regimental number | 2876 |
| Place of birth | Melbourne Victoria |
| Religion | Presbyterian |
| Occupation | Grazier |
| Address | Pallah, Bingara, New South Wales |
| Marital status | Single |
| Age at embarkation | 33 |
| Next of kin | Father, Austin Mack, same address |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 7th Light Horse Regiment, 20th Reinforcement |
| AWM Embarkation Roll number | 10/12/4 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board RMS Malwa on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 2nd Machine Gun Squadron |
| Fate | Returned to Australia |
| Miscellaneous details (Nominal Roll) | *given name two spellings Alec and Alex |
| Other details | Medals: British War Medal, Victory Medal |
Postal Address:
Po Box 7916
Canberra BC 2610, Australia
Street Address:
Northcott Drive,
Campbell, ACT 2600
