| Regimental number | 3580 |
| Place of birth | Donald, Victoria |
| School | Wycheproof, Victoria |
| Religion | Presbyterian |
| Occupation | Grocer |
| Address | Tynong, Gippsland, Victoria |
| Marital status | Single |
| Age at embarkation | 28 |
| Next of kin | Father, David Orrock, Tynong, Gippsland, Victoria |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Rank on enlistment | Private |
| Unit name | 21st Battalion, 8th Reinforcement |
| AWM Embarkation Roll number | 23/38/2 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A64 Demosthenes on |
| Rank from Nominal Roll | Corporal |
| Unit from Nominal Roll | 59th Battalion |
| Fate | Killed in Action |
| Place of death or wounding | Guedecourt, near Bapaume, France |
| Age at death | 30.2 |
| Age at death from cemetery records | 30 |
| Place of burial | Bancourt British Cemetery (Plot VII, Row K, Grave No. 2), France |
| Panel number, Roll of Honour, Australian War Memorial | 168 |
| Miscellaneous information from cemetery records | Parents: David and Emma ORROCK, Lyndhurst, Victoria. Native of Donald |
| Family/military connections | Brother: 552 Harold Augustus Alexander ORROCK, 8th Bn, killed in action, Lagnicourt, France, 22 April 1917. |
| 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
