| Regimental number | 424 |
| Place of birth | Suffolk, England |
| Religion | Church of England |
| Occupation | Warehouseman |
| Address | 'Kirketon', 27 Dalton Road, Mosman, Sydney, New South Wales |
| Marital status | Married |
| Age at embarkation | 20 |
| Next of kin | Wife, Mrs Margaret M Parnell, 'Kirketon', 27 Dalton Road, Mosman, Sydney, New South Wales |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Rank on enlistment | Private |
| Unit name | Machine Gun Company 5, Reinforcement 6 |
| AWM Embarkation Roll number | 24/10/3 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A17 Port Lincoln on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 4th Machine Gun Battalion |
| Fate | Returned to Australia |
| Family/military connections | Brother: 433 George H Parnell, 5th Machine Gun Company |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |
| Date of death | |
| Place of burial | Rookwood Necropolis, Sydney, New South Wales |