| Place of birth | Mhow Central India |
| School | Sydney, NSW |
| Age on arrival in Australia | 10 |
| Religion | Church of England |
| Occupation | Railway officer |
| Address | Ascolon, Anderson Street, Chatswood, New South Wales |
| Marital status | Married |
| Age at embarkation | 39 |
| Next of kin | Wife, Mrs. C. Hart, Ascolon, Anderson Street, Chatswood, New South Wales |
| Enlistment date | |
| Rank on enlistment | 2nd Lieutenant |
| Unit name | 4th Battalion, 12th Reinforcement |
| AWM Embarkation Roll number | 23/21/3 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A7 Medic on |
| Rank from Nominal Roll | Lieutenant |
| Unit from Nominal Roll | 4th Battalion |
| Other details from Roll of Honour Circular | Lieut A.L.D. Hart, was the eldest son of the Late Major E.D. Hart, retired from the Indian Army. |
| Fate | Died of wounds |
| Miscellaneous details (Nominal Roll) | *Given name Albert Leonard |
| Place of death or wounding | Polygon Wood, Ypres, Belgium |
| Age at death | 40 |
| Age at death from cemetery records | 40 |
| Place of burial | Lijssenthoek Military Cemetery (Plot XIX, Row C, Grave No. I), Belgium |
| Panel number, Roll of Honour, Australian War Memorial | 40 |
| Miscellaneous information from cemetery records | Parents: Eugune and Eleanor HART; husband of Clarissa HART, Victoria Avenue Avenue, Chatswood, New South Wales. Native of Mhow, Central India |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |