| Regimental number | 3827 |
| Place of birth | Auburn, Sydney, New South Wales |
| School | Orange Public School, Orange, New South Wales |
| Religion | Methodist |
| Occupation | Coachbuilder |
| Address | Macquarie Road, Auburn, New South Wales |
| Marital status | Married |
| Age at embarkation | 44 |
| Next of kin | Wife, Mrs M E Johnson, Macquarie Road, Auburn, New South Wales |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 2nd Battalion, 12th Reinforcement |
| AWM Embarkation Roll number | 23/19/2 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A7 Medic on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 2nd Battalion |
| Fate | Died of wounds |
| Place of death or wounding | Pozieres, Somme Sector, France |
| Age at death | 49 |
| Place of burial | Etaples Military Cemetery (Plot IV, Row B, Grave No. 2), France |
| Panel number, Roll of Honour, Australian War Memorial | 33 |
| Miscellaneous information from cemetery records | Parents: William and Susan JOHNSON; husband of the late M.E. JOHNSON. Native of Yass, New South Wales |
| Other details |
William Johnson was the Mayor of Auburn, Sydney before enlisting and was prominent in recruitment and raising money for patriotic funds. Was the Labor Member in the House of Representatives for the Robertson electorate in the first Fisher Government. |
| Age at death | 49 |