| Regimental number | 26/788 |
| Occupation | Clerk |
| Next of kin | Sister, Miss A Guest, c/o Mr Brewer, Te Kuiti |
| Rank on embarkation | Rifleman |
| Unit name | New Zealand Expeditionary Force, New Zealand Rifle Brigade, 4th Battalion, A Company |
| Embarkation details | Unit embarked from Wellington on |
| Final rank | Private |
| Final unit | New Zealand Entrenching Battalion |
| Fate | Killed in Action |
| Age at death from cemetery records | 21 |
| Place of burial | No known grave |
| Commemoration details | Messines Ridge (New Zealand) Memorial, Belgium |
| Miscellaneous information from cemetery records | Parents: the late John and Mary Guest, Hamilton |
| Family/military connections | Brother: 15714 Lance Corporal John GUEST, 2nd Bn, Wellington Infantry Regiment, died of wounds, 18 April 1918. |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |
| Sources | Nominal Roll Vol. 2: Roll 24, p. 20 |