| Regimental number | 56 |
| Place of birth | Wellington, New Zealand |
| Religion | Methodist |
| Occupation | Salesman |
| Address | 34 Albert Street, Goodwood Park, South Australia |
| Marital status | Single |
| Age at embarkation | 19 |
| Next of kin | Father, Mr Mackey, 34 Albert Street, Goodwood Park, South Australia |
| Enlistment date | |
| Place of enlistment | Adelaide, South Australia |
| Rank on enlistment | Private |
| Unit name | 10th Battalion, B Company |
| AWM Embarkation Roll number | 23/27/1 |
| Embarkation details | Unit embarked from Adelaide, South Australia, on board Transport A11 Ascanius on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 10th Battalion |
| Fate | Returned to Australia |
| Other details |
War service: Egypt, Gallipoli, Western Front Medals: 1914-15 Star, British War Medal, Victory Medal |
| Miscellaneous details | Name incorrectly recorded on Embarkation Roll as MACKAY. |
| Sources | NAA: B2455, MACKEY Harold Oswald |
Postal Address:
Po Box 7916
Canberra BC 2610, Australia
Street Address:
Northcott Drive,
Campbell, ACT 2600
