| Regimental number | 3918 |
| Place of birth | Mackay, Queensland |
| School | Mackay State School and Brisbane, Queensland |
| Religion | Church of England |
| Occupation | Warehouseman |
| Address | Dornoch Terrace, West End, Brisbane, Queensland |
| Marital status | Single |
| Age at embarkation | 28 |
| Next of kin | Mother, Mrs. Ellen Johnson, Dornoch Terrace, West End, Brisbane, Queensland |
| Previous military service | Queensland Rifles and the Artillery |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 31st Battalion, 9th Reinforcement |
| AWM Embarkation Roll number | 23/48/3 |
| Embarkation details | Unit embarked from Brisbane, Queensland, on board HMAT A49 Seang Choon on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 31st Battalion |
| Other details from Roll of Honour Circular | Name on RoHc William John Frederick |
| Fate | Died of wounds |
| Place of death or wounding | Polygon Wood, Ypres, Belgium |
| Age at death | 29.9 |
| Place of burial | Lijssenthoek Military Cemetery (Plot XXIV, Row G, Grave No. 19A), Belgium |
| Panel number, Roll of Honour, Australian War Memorial | 118 |
| Miscellaneous information from cemetery records | Parents: John Frederick and Ellen JOHNSON, Corner Lancaster and Kitchener Roads, Ascot, Brisbane. Native of Mackay, Queensland |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |