| Regimental number | 986 |
| Date of birth | |
| Place of birth | Sydney, New South Wales |
| School | Redfern Public School, New South Wales |
| Religion | Church of England |
| Occupation | Motor mechanic |
| Marital status | Single |
| Age at embarkation | 26 |
| Next of kin | Father, Walter Harden, 42 John Street, Petersham, Sydney, New South Wales |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | Australian Flying Corps, No 4 Squadron, A Flight |
| AWM Embarkation Roll number | 8/7/2 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board RMS Omrah on |
| Rank from Nominal Roll | 2nd Air Mechanic |
| Unit from Nominal Roll | Australian Flying Corps |
| Fate | Returned to Australia |
| Miscellaneous details (Nominal Roll) | *Given name Harold James |
| Other details |
War service: Western Front Injured by falling from his machine, May 1917; invalided to 2nd Australian General Hospital. Gassed, December 1917. Medals: British War Medal, Victory Medal |