| Religion | Roman Catholic |
| Occupation | Surveyor |
| Address | Narrabri, New South Wales |
| Marital status | Single |
| Age at embarkation | 38 |
| Next of kin | Father, Dr C.M. De Lepervanche, Narrabri, New South Wales |
| Enlistment date | 4 May 1916 |
| Rank on enlistment | 2nd Lieutenant |
| Unit name | Engineering Field Companies, General Reinforcements |
| AWM Embarkation Roll number | 14/42/4 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A54 Runic on 22 March 1918 |
| Rank from Nominal Roll | Lieutenant |
| Unit from Nominal Roll | 4th Division Engineers |
| Fate | Returned to Australia 6 September 1919 |
| Miscellaneous details (Nominal Roll) | Name spelt Eustace Meziere De Le'Pervanche on Nominal Roll. |
