| Regimental number | 1913 |
| Place of birth | Moutajup, Victoria |
| Place of birth | Dunkeld, Victoria |
| School | State School, Victoria |
| Religion | Roman Catholic |
| Occupation | Labourer |
| Address | Dunkeld, Victoria |
| Marital status | Single |
| Age at embarkation | 19 |
| Next of kin | Sister, Miss Monica Gillahan, Dunkeld, Victoria |
| Previous military service | Nil |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 58th Battalion, 3rd Reinforcement |
| AWM Embarkation Roll number | 23/75/3 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A31 Ajana on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 58th Battalion |
| Fate | Died of wounds |
| Place of death or wounding | Bullecourt, France |
| Age at death | 20.7 |
| Age at death from cemetery records | 20 |
| Place of burial | Grevillers British Cemetery (Plot II, Row E, Grave No. 16), France |
| Panel number, Roll of Honour, Australian War Memorial | 165 |
| Miscellaneous information from cemetery records | Parents: Simon and Sarah GILLAHAN, |
| Family/military connections | Brother: 1452 Bombardier Joseph Simon GILLAHAN, 13th Field Artillery Brigade, returned to Australia, 14 December 1918. |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |
Postal Address:
Po Box 7916
Canberra BC 2610, Australia
Street Address:
Northcott Drive,
Campbell, ACT 2600
