| Regimental number | 464 |
| Date of birth | |
| Place of birth | Crookwell, New South Wales |
| School | Crookwell Public School, New South Wales |
| Religion | Church of England |
| Occupation | Shearer |
| Address | Goulburn, New South Wales |
| Marital status | Married |
| Age at embarkation | 38 |
| Next of kin | Wife, Mrs R L Warn, c/o Mrs S P Wood, man dir Aust Prov Assurance Ass, 382 George Street, Sydney, New South Wales |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 41st Battalion, B Company |
| AWM Embarkation Roll number | 23/58/1 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A64 Demosthenes on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 49th Battalion |
| Fate | Died of wounds |
| Place of death or wounding | Bullecourt, France |
| Age at death | 38 |
| Place of burial | Pozieres British Cemetery (Plot II, Row J, Grave 31), Ovillers-La-Boiselle, France |
| Panel number, Roll of Honour, Australian War Memorial | 149 |
| Miscellaneous information from cemetery records | Commemorated in Crookwell Cemetery, New South Wales. Parents: George (d. 8 January 1927, aged 85; bu. Crookwell Cemetery) and Louisa (d. 10 June 1912, aged 69; bu. Crookwell Cemetery) WARN |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |
| Miscellaneous details | Alias: Richard LESLIE; see 1039 Richard Leslie WARN for more details |