| Regimental number | 4065 |
| Place of birth | Blakeville Victoria |
| Religion | Methodist |
| Occupation | Driver |
| Address | South Bunbury, Western Australia |
| Marital status | Single |
| Age at embarkation | 23 |
| Next of kin | Father, T H Lockhart, South Bunbury, Western Australia |
| Enlistment date | 24 September 1915 |
| Rank on enlistment | Private |
| Unit name | 11th Battalion, 12th Reinforcement |
| AWM Embarkation Roll number | 23/28/3 |
| Embarkation details | Unit embarked from Fremantle, Western Australia, on board RMS Mongolia on 22 November 1915 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 11th Battalion |
| Fate | Returned to Australia 21 July 1918 |
| Family/military connections | Brother: 4064 Sapper Albert Allison LOCKHART, 1st Signal Company, returned to Australia, 12 April 1919. |
