| Regimental number | 2284 |
| Place of birth | Ballarat, Victoria |
| School | Ballarat State School, Ballarat, Victoria |
| Religion | Church of England |
| Occupation | Engineer |
| Address | 402 Drummond Street, Ballarat, Victoria |
| Marital status | Single |
| Age at embarkation | 24 |
| Next of kin | Mother, Mrs Harriet O'Bern, 402 Drummond Street, Ballarat, Victoria |
| Previous military service | nil |
| Enlistment date | |
| Rank on enlistment | Sapper |
| Unit name | 2nd Field Company Engineers, Reinforcement 11 |
| AWM Embarkation Roll number | 14/21/2 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A72 Beltana on |
| Rank from Nominal Roll | Driver |
| Unit from Nominal Roll | 'K' Ammunition Park |
| Fate | Killed accidentally |
| Place of death or wounding | Steenwerek, France |
| Age at death | 24 |
| Age at death from cemetery records | 24 |
| Place of burial | Trois-Arbres Cemetery (Plot II, Row C, Grave No. 3), Steenwerck, France |
| Panel number, Roll of Honour, Australian War Memorial | 181 |
| Miscellaneous information from cemetery records | Commemorated on Christ Church Anglican Cathedral Roll of Honour, Ballarat, Victoria. Parents: Thomas and Harriet O'BERN, 402 Drummond Street, Ballarat, Victoria |
| Family/military connections | Brother: Lieutenant William Henry O'BERN MC & Bar, 1st Pioneer Bn, returned to Australia, 9 March 1919. |