| Regimental number | 8/3792 |
| Occupation | Fireman |
| Next of kin | Father, Sinclair Williamson, Ernabae, Dunrossness, Shetland |
| Rank on embarkation | Private |
| Unit name | New Zealand Expeditionary Force, 9th Reinforcements, Otago Infantry Battalion, D Company |
| Embarkation details | Unit embarked from Wellington on board SS Maunganui on |
| Final rank | Private |
| Final unit | 1st Battalion, Otago Infantry Regiment |
| Fate | Killed in Action |
| Age at death from cemetery records | 22 |
| Place of burial | Cite Bonjean Military Cemetery (Plot I, Row E, Grave No 28), Armentieres, France |
| Miscellaneous information from cemetery records | Parents: Barbara Williamson, Dunrossness, Shetland, and he late Sinclair Williamson |
| Other details |
War service: Egypt, Western Front Medals: British War Medal, Victory Medal |
| Sources | Nominal Roll Vol. 2: Roll 21, p. 32 |