| Regimental number | 4526 |
| Place of birth | Sydney, New South Wales |
| School | St Peters Public School, Sydney, New South Wales |
| Occupation | Iron Worker |
| Address | Arncliffe, Sydney, New South Wales |
| Age at embarkation | 26 |
| Next of kin | Father, John Ahern, 22 Kelsey Street, Arncliffe, New South Wales |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 1st Pioneer Battalion |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A72 Beltana on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 53rd Battalion |
| Fate | Died of wounds |
| Place of death or wounding | Villers-Bretonneux, 1918, France |
| Age at death | 27 |
| Age at death from cemetery records | 27 |
| Place of burial | Pernois British Cemetery (Plot I, Row B, Grave No. 7), France |
| Panel number, Roll of Honour, Australian War Memorial | 156 |
| Miscellaneous information from cemetery records | Parents: John and Selina AHERN, 22 Kelsey Street, Arncliffe, Sydney, New South Wales |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |