| Regimental number | 816 |
| Place of birth | Bendigo Victoria |
| Religion | Church of England |
| Occupation | Process engraver |
| Address | Bendigo, Victoria |
| Marital status | Single |
| Age at embarkation | 19 |
| Next of kin | Charles Unmack, 176 Wilson Street, Bendigo, Victoria |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 4th Light Horse Regiment, 3rd Reinforcement |
| AWM Embarkation Roll number | 10/9/2 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A13 Katuna on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 4th Light Horse Regiment |
| Fate | Returned to Australia |
| Miscellaneous details (Nominal Roll) | *Stated to be Harry Julius Unmack on NR |
| Miscellaneous information from cemetery records | Plaque in Victorian Garden of Remembrance |
| Date of death |
Postal Address:
Po Box 7916
Canberra BC 2610, Australia
Street Address:
Northcott Drive,
Campbell, ACT 2600
