| Regimental number | 15932 |
| Place of birth | Sydney, New South Wales |
| Religion | Church of England |
| Occupation | Bank clerk |
| Marital status | Single |
| Age at embarkation | 22 |
| Height | 5' 9.5" |
| Weight | 160 lbs |
| Next of kin | Father, Mr Alfred George Clarke, 30 Marsh Street, Orange, New South Wales |
| Previous military service | Served for 18 months in Citizen Military Forces. |
| Enlistment date | |
| Place of enlistment | Orange, New South Wales |
| Unit name | Australian Army Service Corps, 1st & 2nd Anzac Mounted Divisions, 15th Reinforcement |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT Port Darwin on |
| Miscellaneous information from cemetery records | Plaque in New South Wales Garden of Remembrance |
| Date of death | |
| Sources | NAA: B2455, CLARKE Hiram Rowthorne |