| Regimental number | 713 |
| Religion | Roman Catholic |
| Occupation | Clerk |
| Address | 'Canberra', Milton, Brisbane, Queensland |
| Marital status | Single |
| Age at embarkation | 19 |
| Next of kin | Father, Joseph De Warren, 'Solysti', White Road, Wynnum South, Brisabane, Queensland |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 5th Light Horse Regiment, 2nd Reinforcement |
| AWM Embarkation Roll number | 10/10/2 |
| Embarkation details | Unit embarked from Brisbane, Queensland, on board HMAT A53 Itria on |
| Rank from Nominal Roll | Corporal |
| Unit from Nominal Roll | 5th Light Horse Regiment |
| Fate | Killed in Action |
| Age at death from cemetery records | 20 |
| Place of burial | Kantara War memorial Cemetery (Row B, Grave No. 84), Egypt. |
| Panel number, Roll of Honour, Australian War Memorial | 4 |
| Miscellaneous information from cemetery records | Parents: Joseph and Elizabeth DE WARREN, "Trafalgar", Cleveland, Queensland. Native of Roma, Queensland |