| Regimental number | 21948 |
| Occupation | Farmer |
| Next of kin | Wife, Mrs E M Williamson, 11 Seddon Street, Highfield, Timaru |
| Rank on embarkation | Rifleman |
| Unit name | New Zealand Expeditionary Force, New Zealand Rifle Brigade, 7th Reinforcements to 3rd Battalion, G Company |
| Embarkation details | Unit embarked from Wellington on board HMNZT 62 Mokoia on |
| Final rank | Rifleman |
| Final unit | 2nd Battalion, New Zealand Rifle Brigade |
| Fate | Killed in Action |
| Age at death from cemetery records | 42 |
| Place of burial | No known grave |
| Commemoration details | Messines Ridge (New Zealand) Memorial, nr Ieper, Belgium |
| Miscellaneous information from cemetery records | Parents: the late Donald and Elizabeth Williamson; Wife: Ethel Mary Williamson, 426 Manchester Street, Christchurch |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |
| Sources | Nominal Roll Vol. 2: Roll 38, p. 36 |