| Regimental number | 21964 |
| Place of birth | Newport Victoria |
| Religion | Methodist |
| Occupation | Butcher |
| Address | Williamstown, Victoria |
| Marital status | Single |
| Age at embarkation | 29 |
| Next of kin | Father, J R Penhalluriack, 22 Lyon Street, Williamstown, Victoria |
| Enlistment date | 21 January 1916 |
| Date of enlistment from Nominal Roll | 1 March 1916 |
| Rank on enlistment | Driver |
| Unit name | Howitzer Brigade 23, Battery 107 |
| AWM Embarkation Roll number | 13/133/1 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A7 Medic on 20 May 1916 |
| Rank from Nominal Roll | Gunner |
| Unit from Nominal Roll | 7th Field Artillery Brigade |
| Fate | Returned to Australia 7 June 1918 |
| Family/military connections | Brother: 21963 Gunner William George PENHALLURIACK, 3rd Divisional Artillery Column, returned to Australia, 4 June 1919. |
| Date of death | 27 June 1974 |
| Place of burial | Moree Cemetery |
