| Date of birth | |
| Place of birth | Pimpama Queensland |
| Religion | Church of England |
| Occupation | Civil engineer |
| Address | Brisbane, Queensland |
| Marital status | Single |
| Age at embarkation | 28 |
| Next of kin | Brother, Percival Ethelbert Lahey, Carinda near Brisbane, Queensland |
| Enlistment date | |
| Rank on enlistment | 2nd Lieutenant |
| Unit name | 11th Field Company Engineers, Section 4 |
| AWM Embarkation Roll number | 14/30/1 |
| Embarkation details | Unit embarked from OUTER HARBOR, South Australia, on board HMAT A29 Suevic on |
| Rank from Nominal Roll | Lieutenant |
| Unit from Nominal Roll | 3rd Divisional Engineers |
| Promotions |
2nd Lieutenant Unit: ENG 11th Fld Coy Promotion date: Lieutenant Unit: ENG Div 3 Promotion date: |
| Fate | Returned to Australia |