| Regimental number | 6861 |
| Date of birth | |
| Place of birth | Helsingfors, Finland |
| School | Helsingfors Public School, Finland |
| Religion | Methodist |
| Occupation | Seaman |
| Address | Port Adelaide, South Australia |
| Marital status | Single |
| Age at embarkation | 27 |
| Next of kin | Brother, V Karkkainen, 1 Berg Street, Helsingfors, Finland |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 27th Battalion, 20th Reinforcement |
| AWM Embarkation Roll number | 23/44/5 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A60 Aeneas on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 48th Battalion |
| Fate | Returned to Australia |
| Discharge date | |
| Other details |
War service: Western Front Wounded in action, Villers-Bretonneux, 3 May 1918; invalided to Etaples, thence to England; arrived back in Australia, 5 October 1918. Medals: British War Medal, Victory Medal |