| Regimental number | 14752 |
| Place of birth | Sydney, New South Wales |
| Religion | Church of England |
| Occupation | Clerk |
| Marital status | Single |
| Age at embarkation | 21 |
| Height | 5' 5.5" |
| Weight | 132 lbs |
| Next of kin | Father, Mr Albert James Lennartz, 35 Stanton Street, Haberfield, New South Wales |
| Previous military service | Served for 3 years in the Australian Services Corps. |
| Enlistment date | 12 March 1917 |
| Place of enlistment | Sydney, New South Wales |
| Unit name | Australian Army Service Corps, 1st Anzac Mounted Division, 13th Reinforcement |
| Rank from Nominal Roll | Driver |
| Unit from Nominal Roll | 35th Company, Australian Army Service Corps, Australian Mounted Division Train |
| Fate | Returned to Australia 26 July 1919 |
| Other details | Medals: British War Medal, Victory Medal |
| Miscellaneous details | Name does not appear on Embarkation Roll. |
| Sources | NAA: B2455, LENNARTZ Harold Albert |
