| Regimental number | 7122 |
| Place of birth | Brookland, United States of America |
| Religion | Church of England |
| Occupation | Labourer |
| Address | Wellington Mills, Western Australia |
| Marital status | Single |
| Age at embarkation | 23 |
| Next of kin | Father, Guhin Peterson, Stockholm, Sweden |
| Enlistment date | |
| Place of enlistment | Bunbury, Western Australia |
| Rank on enlistment | Private |
| Unit name | 28th Battalion, 21st Reinforcement |
| AWM Embarkation Roll number | 23/45/4 |
| Embarkation details | Unit embarked from Albany, Western Australia, on board HMAT A16 Port Melbourne on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 16th Battalion |
| Fate | Died of wounds |
| Place of burial | La Cauchie Communal Cemetery (Grave No. II), France |
| Panel number, Roll of Honour, Australian War Memorial | 80 |
| Miscellaneous information from cemetery records | PETERSON, WALTER NATANAEL (stated to be PETTERSSON, VALDEMAR NATANAEL) |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |