| Regimental number | 462 |
| Place of birth | Canton, Cardiff, Wales |
| School | Lansdowne Road School, Cardiff, Wales |
| Age on arrival in Australia | 25 |
| Religion | Protestant |
| Occupation | Painter |
| Address | Carmen Street, Darlinghurst, Sydney, New South Wales |
| Marital status | Single |
| Age at embarkation | 30.4 |
| Height | 5' 4.5" |
| Weight | 131 lbs |
| Next of kin | Father, A L Thomas, 318 Koch Street, Pretoria, South Africa |
| Previous military service | Served for 18 months in Transvaal Light Horse Regiment; not serving in any military unit at time of AIF enlistment. |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 4th Battalion, C Company |
| AWM Embarkation Roll number | 23/21/1 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board Transport A14 Euripides on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 4th Battalion |
| Other details from Roll of Honour Circular | He was a well known athlete in Wales; used the name W. Williams as a professional footballer and runner. Played for the Cape, South Africa, Rugby Football Club. Migrated from the Cape about 1909. |
| Fate | Killed in Action |
| Place of death or wounding | Lone Pine, Gallipoli |
| Age at death | 31 |
| Family/military connections | Brothers: 7 enlisted in 1914-15 |
| Other details |
War service: Egypt, Gallipoli Embarked Alexandria to join the Mediterranean Expeditionary Force (Gallipoli Campaign), 5 April 1915. Reported 6-9 August 1915. Now, 28 August 1915, reported 'Killed in action, 6-9 August 1915'. Medals: 1914-15 Star, British War Medal, Victory Medal |
| Sources | NAA: B2455, THOMAS George Frederick |