| Regimental number | 2172 |
| Place of birth | Glebe, Sydney, New South Wales |
| School | Bondi Superior Public School, Sydney, New South Wales |
| Religion | Presbyterian |
| Occupation | Sawmill labourer |
| Address | Nana Glen via South Grafton, New South Wales |
| Marital status | Single |
| Age at embarkation | 21 |
| Next of kin | Father, Mr Edward Thomas Hart, Nana Glen via South Grafton, New South Wales |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Rank on enlistment | Private |
| Unit name | 53rd Battalion, 4th Reinforcement |
| AWM Embarkation Roll number | 23/70/3 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A44 Vestalia on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 19th Battalion |
| Other details from Roll of Honour Circular | Name Given on RoHc is Harold Bruce Hart |
| Fate | Killed in Action |
| Place of death or wounding | Morlancourt, France |
| Age at death | 23 |
| Age at death from cemetery records | 23 |
| Place of burial | Ribemont Communal Cemetery Extension (Plot IV, Row O, Grave No. 9), France |
| Panel number, Roll of Honour, Australian War Memorial | 88 |
| Miscellaneous information from cemetery records | Parents: Edward and Agnes HART, Yandina, Queensland. Native of Glebe, New South Wales |
| Family/military connections | Sgt. W.E. Hart No. 2471, 2nd Light Horse. 5 years service mentioned in despatches. |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |