
| Date of birth | |
| Place of birth | Orange, New South Wales |
| Religion | Roman Catholic |
| Occupation | Merchant |
| Address | Singleton, New South Wales |
| Marital status | Married |
| Age at embarkation | 36 |
| Height | 5' 11" |
| Weight | 128 lbs |
| Next of kin | Wife, Mrs Rowena N W O'Halloran, Terrigal, via Gosford, New South Wales |
| Previous military service | Served as Substantive Major, 2nd Bn, 33rd Regiment, Australian Military Forces. |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Place of enlistment | Sydney, New South Wales |
| Rank on enlistment | Major |
| Unit name | 20th Battalion, C Company |
| AWM Embarkation Roll number | 23/37/1 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board Transport Berrima on |
| Rank from Nominal Roll | Major |
| Unit from Nominal Roll | 20th Battalion |
| Other details |
War service: embarked Sydney, 8 August 1917; disembarked Liverpool, England, 2 October 1917. Re-embarked Adelaide, 22 October 1918, on board HMAT A36 'Boonah' (voyage only); ship recalled owing to cessation of hostilities. |