| Regimental number | 1780 |
| Place of birth | Clooncara, Bekan, Bhounis, Ireland |
| School | Bekan National School, Ireland |
| Age on arrival in Australia | 20 |
| Religion | Roman Catholic |
| Occupation | Labourer |
| Address | 10 King Street, North Fitzroy, Victoria |
| Marital status | Single |
| Age at embarkation | 21 |
| Next of kin | Brother, Mr John Tarpey, Bekan, Ballyhaunis, Mayo, Ireland |
| Previous military service | Nil |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 57th Battalion, 2nd Reinforcement |
| AWM Embarkation Roll number | 23/74/3 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A14 Euripides on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 5th Machine Gun Battalion |
| Fate | Killed in Action |
| Place of death or wounding | Villers-Bretonneux, France |
| Age at death | 24 |
| Age at death from cemetery records | 23 |
| Place of burial | Villers-Bretonneux Military Cemetery (Plot II, Row A, Grave No. 6), Fouilloy, France |
| Panel number, Roll of Honour, Australian War Memorial | 179 |
| Miscellaneous information from cemetery records | Son of John TARPEY and his wife, Bridget COSTELLO, Bekan, Bailyhaunis, Co. Mayo, Ireland |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |