| Regimental number | 1876 |
| Place of birth | Swan Hill, Victoria |
| Religion | Church of England |
| Occupation | Horse breaker |
| Address | Euston, Victoria |
| Marital status | Single |
| Age at embarkation | 22 |
| Height | 5' 8.5" |
| Weight | 139 lbs |
| Next of kin | Father, Joseph Mack, Euston, Victoria |
| Previous military service | Nil |
| Enlistment date | |
| Place of enlistment | Melbourne, Victoria |
| Rank on enlistment | Private |
| Unit name | 38th Battalion, 2nd Reinforcement |
| AWM Embarkation Roll number | 23/55/2 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board RMS Orontes on |
| Rank from Nominal Roll | Corporal |
| Unit from Nominal Roll | 38th Battalion |
| Fate | Returned to Australia |
| Discharge date | |
| Family/military connections | Brother: 1668 Lance Corporal Robert Edward MACK, 7th Bn, returned to Australia, 12 June 1919. |
| Other details |
War service: Western Front Commenced return to Australia on board HT 'Khyber', 31 March 1919; disembarked, 22 May 1919; discharged (medically unfit), 29 June 1919. Medals: British War Medal, Victory Medal |
| Date of death | |
| Age at death | 80 |
| Place of burial | Barham Cemetery, New South Wales |
| Sources | NAA: B2455, MACK Richard Alexander |
