| Regimental number | 2186 |
| Place of birth | Kotupua Victoria |
| Religion | Church of England |
| Occupation | Labourer |
| Address | Shepparton, Victoria |
| Marital status | Single |
| Age at embarkation | 22 |
| Next of kin | Mother, Mrs Georgina Williams, Shepparton, Victoria |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 2nd Pioneer Battalion, Reinforcement 3 |
| AWM Embarkation Roll number | 14/14/4 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A62 Wandilla on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 2nd Pioneer Battalion |
| Fate | Returned to Australia |
| Miscellaneous details (Nominal Roll) | *Reuben spelt Ruden |
| Family/military connections | Brother: 2185 Pte Frederick Phillip WILLIAMS, 2nd Pioneer Bn, killed in action, 29 October 1917. |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |
| Date of death | |
| Place of burial | Nathalia Cemetery |