| Regimental number | 175 |
| Date of birth | |
| Place of birth | North Sydney, New South Wales |
| School | Mosman Public School; Sydney Grammar School, New South Wales |
| Religion | Presbyterian |
| Occupation | Audit clerk |
| Address | 35 Avenue Road, Mosman, Sydney, New South Wales |
| Marital status | Single |
| Age at embarkation | 19 |
| Next of kin | Father, Percy H. Hillman, 35 Avenue Road, Mosman, Sydney, New South Wales |
| Previous military service | Served in the Senior Cadets from 31 January 1911, Training Area 17A, Mosman, New South Wales. Appointed Sergeant, 21 February 1912; Colour Sergeant, 1 July 1913. Commissioned as 2nd Lieutenant, Cadet Corps, 30 June 1914. |
| Enlistment date | |
| Rank on enlistment | Lance Corporal |
| Unit name | 2nd Battalion, B Company |
| AWM Embarkation Roll number | 23/19/1 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A23 Suffolk on |
| Regimental number from Nominal Roll | Commissioned |
| Rank from Nominal Roll | 2nd Lieutenant |
| Unit from Nominal Roll | 2nd Battalion |
| Promotions |
2nd Lieutenant Unit: INF2 Promotion date: |
| Recommendations (Medals and Awards) |
Military Cross Recommendation date: |
| Fate | Killed in Action |
| Place of death or wounding | Hargicourt, nr St Quentin, France |
| Age at death | 22.8 |
| Age at death from cemetery records | 22 |
| Place of burial | Roisel Communal Cemetery Extension (Plot III, Row H, Grave No. 2), France |
| Panel number, Roll of Honour, Australian War Memorial | 33 |
| Miscellaneous information from cemetery records | Parents: Percy and Annie HILLMAN, "Ericmont", 35 Avenue Road, Mosman, New South Wales |