| Regimental number | 21439 |
| Religion | Roman Catholic |
| Occupation | Accountant |
| Address | Sydney, New South Wales |
| Marital status | Single |
| Age at embarkation | 28 |
| Next of kin | Brother, Dr. F.G. Hardwick, Molesworth Street, Lismore, New South Wales |
| Enlistment date | 22 August 1917 |
| Date of enlistment from Nominal Roll | 25 August 1917 |
| Rank on enlistment | Sapper |
| Unit name | 1st Signal Squadron Engineers, January 1918 Reinforcements |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board SS Port Lyttleton on 24 June 1918 |
| Rank from Nominal Roll | Sapper |
| Unit from Nominal Roll | 2nd Signal Squadron |
| Fate | Returned to Australia 9 August 1919 |
