| Regimental number | 25778 |
| Occupation | Carpenter |
| Next of kin | Father, John Gerald Ahern, Murray Street, Aramoho, Wanganui |
| Rank on embarkation | Rifleman |
| Unit name | New Zealand Expeditionary Force, New Zealand Rifle Brigade, 11th Reinforcements to 1st and 2nd Battalions, E Company |
| Embarkation details | Unit embarked from Wellington on board HMNZT 64 Devon on |
| Final rank | Rifleman |
| Final unit | New Zealand Rifle Brigade |
| Fate | Killed in Action |
| Age at death from cemetery records | 28 |
| Place of burial | La Plus Douve Farm Cemetery (Plot IV, Row D, Grave No. 1), Belgium |
| Miscellaneous information from cemetery records | Parents: John Gerald and Jane Mary Ahern |
| Family/military connections | Brother: 24/1884 Pte Reginald James AHERN, Otago Regiment, died of wounds, 23 September 19616. |
| Sources | Nominal Roll Vol. 2: Roll 41, p. 27 |