| Regimental number | 1020 |
| Other Names | AHEARNE |
| Religion | Roman Catholic |
| Occupation | Labourer |
| Address | c/o P G Ahern, Risdon Road, Newtown, Hobart, Tasmania |
| Marital status | Single |
| Age at embarkation | 22 |
| Next of kin | P J Ahern, Risdon Road, Newtown, Hobart, Tasmania |
| Enlistment date | 17 September 1914 |
| Rank on enlistment | Private |
| Unit name | 12th Battalion, E Company |
| AWM Embarkation Roll number | 23/29/1 |
| Embarkation details | Unit embarked from Hobart, Tasmania, on board Transport A2 Geelong on 20 October 1914 |
| Rank from Nominal Roll | Driver |
| Unit from Nominal Roll | 10th Field Artillery Brigade |
| Fate | Returned to Australia 23 September 1918 |