| Regimental number | 3159 |
| Place of birth | Peak Hill New South Wales |
| Religion | Church of England |
| Occupation | Farmer |
| Address | The Gap, Werris Creek, New South Wales |
| Marital status | Single |
| Age at embarkation | 18 |
| Next of kin | Father, James Isaacs Hartin, The Gap, Werris Creek, New South Wales |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 53rd Battalion, 8th Reinforcement |
| AWM Embarkation Roll number | 23/70/4 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A29 Suevic on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 53rd Battalion |
| Fate | Returned to Australia |
| Miscellaneous details (Nominal Roll) | *Given name William |
| Family/military connections | Brother: 2602 Sergeant Walter William HARTIN, 35th Battalion, returned to Australia, 3 July 1919. |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |