| Regimental number | 1879 |
| Place of birth | Cleve, South Australia |
| School | Cleve Public School, South Australia |
| Religion | Methodist |
| Occupation | Farm hand |
| Address | Arno Bay, South Australia |
| Marital status | Single |
| Age at embarkation | 22.11 |
| Height | 6' 1.75" |
| Weight | 162 lbs |
| Next of kin | Mother, Mrs Annie Hartvigsen, Arno Bay, South Australia |
| Previous military service | Nil |
| Enlistment date | |
| Place of enlistment | Adelaide, South Australia |
| Rank on enlistment | Private |
| Unit name | 5th Pioneer Battalion, Reinforcement 2 |
| AWM Embarkation Roll number | 14/17/3 |
| Embarkation details | Unit embarked from Adelaide, South Australia, on board HMAT A60 Aeneas on |
| Rank from Nominal Roll | Sapper |
| Unit from Nominal Roll | 5th Pioneer Battalion |
| Fate | Died of wounds |
| Place of death or wounding | Armentieres, France |
| Age at death | 23 |
| Age at death from cemetery records | 23 |
| Place of burial | Cite Bonjean Military Cemetery (Plot III, Row A, Grave No. 8), Armentieres, France |
| Panel number, Roll of Honour, Australian War Memorial | 174 |
| Miscellaneous information from cemetery records | Parents: Oscar and Ann HARTVIGSEN, Arno Bay, South Australia |
| Other details |
War service: Egypt, Western Front Medals: British War Medal, Victory Medal |
| Sources | NAA: B2455, HARTVIGSEN Walter John |