| Regimental number | 2735 |
| Place of birth | Cobargo, New South Wales |
| School | Cobargo Public School, New South Wales |
| Religion | Church of England |
| Occupation | Carpenter |
| Address | Cobargo, New South Wales |
| Marital status | Married |
| Age at embarkation | 29 |
| Next of kin | Wife, Mrs Mary Ellen Thelan, Cobargo, New South Wales |
| Previous military service | Served in the Light Horse (Cobargo Squadron), Citizen Military Forces. |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Rank on enlistment | Private |
| Unit name | 45th Battalion, 6th Reinforcement |
| AWM Embarkation Roll number | 23/62/3 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A40 Ceramic on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 45th Battalion |
| Fate | Killed in Action |
| Place of death or wounding | Ypres, Belgium |
| Age at death | 31 |
| Age at death from cemetery records | 30 |
| Place of burial | Passchendaele New British Cemetery (Plot XIV, Row E, Grave No. I), Belgium |
| Panel number, Roll of Honour, Australian War Memorial | 140 |
| Miscellaneous information from cemetery records | Parents: Franz Oscar Joseph and Anne THELAN; husband of Mary Ellen THELAN, Cobargo, New South Wales |
| Family/military connections | Brother: 5904 Pte Roy Leslie THELAN, 20th Bn, returned to Australia, 13 July 1919. |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |