| Regimental number | 22567 |
| Other Names | William Ruxton Leys |
| Occupation | Inspector of nuisances |
| Next of kin | Father, V Esselborn, City Council Chambers, Christchurch |
| Rank on embarkation | Quartermaster Sergeant |
| Unit name | New Zealand Expeditionary Force, 16th Reinforcements, Wellington Infantry Battalion, B Company |
| Embarkation details | Unit embarked from Wellington on board HMNZT 62 Mokoia on |
| Final rank | Private |
| Final unit | B Company, 2nd Battalion, Wellington Infantry Regiment |
| Fate | Killed in Action |
| Age at death from cemetery records | 28 |
| Place of burial | Dochy Farm New British Cemetery (Plot IX, Row B, Grave No 4), nr Ieper, Belgium |
| Miscellaneous information from cemetery records | Parents: V. & M. Esselborn, 289 Armagh Street, Christchurch |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |
| Sources | Nominal Roll Vol. 2: Roll 38, p. 10 |