| Regimental number | 39331 |
| Date of birth | |
| Place of birth | Brisbane, Queensland |
| Religion | Methodist |
| Occupation | Storekeeper |
| Address | Brisbane, Queensland |
| Marital status | Single |
| Age at embarkation | 21.3 |
| Height | 5' 6.5" |
| Weight | 134 lbs |
| Next of kin | Father, Charles Jospeh Zahner, Park Street, Kelvin Grove, Brisbane, Queensland |
| Previous military service | Served for 4 years in the Senior Cadets; 3 years in the 1st Australian Field Artillery Brigade, Citizen Military Forces. |
| Enlistment date | |
| Place of enlistment | Brisbane, Queensland |
| Rank on enlistment | Gunner |
| Unit name | Field Artillery Brigade, Reinforcement 34 |
| AWM Embarkation Roll number | 13/128/2 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board SS Port Darwin on |
| Rank from Nominal Roll | Gunner |
| Unit from Nominal Roll | 6th Field Artillery Brigade |
| Fate | Returned to Australia |
| Discharge date | |
| Other details |
War service: Egypt, Western Front Commenced return to Australia on board HT 'Main', 23 July 1919; discharged (termination of period of enlistment), Brisbane, 8 November 1919. Medals: British War Medal, Victory Medal Also served in World War II: Service No Q200132. |
| Sources | NAA: B2455, ZAHNER Walter Richard |