| Regimental number | 510 |
| Religion | Roman Catholic |
| Occupation | Labourer |
| Address | PO, Bundaberg, Queensland |
| Marital status | Single |
| Age at embarkation | 23.5 |
| Height | 5' 9.5" |
| Weight | 160 lbs |
| Next of kin | Father, J Williams, Dunkeld, Victoria |
| Previous military service | Nil |
| Enlistment date | |
| Place of enlistment | Bundaberg, Queensland |
| Rank on enlistment | Private |
| Unit name | 15th Battalion, C Company |
| AWM Embarkation Roll number | 23/32/1 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A40 Ceramic on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 15th Battalion |
| Fate | Killed in Action |
| Place of burial | 7th Field Ambulance Cemetery, Gallipoli, Turkey |
| Commemoration details | Special Memorial C 26, 7th Field Ambulance Cemetery, Gallipoli, Turkey |
| Panel number, Roll of Honour, Australian War Memorial | 78 |
| Family/military connections | Brothers: 2836 Pte Frank WILLIAMS, 10th Bn, killed in action, 23 July 1916; 2305 Stoker Michael Wright WILLIAMS, AE2, RAN, died as a prisoner of war, Turkey, 29 September 1916; 8 Pte Thomas Peter WILLIAMS, 14th Bn, died of wounds, 18 April 1918. |
| Other details |
War service: Egypt, Gallipoli Medals: 1914-15 Star, British War Medal, Victory Medal |
| Sources | NAA: B2455, WILLIAMS John Edward |