| Regimental number | 3301 |
| Place of birth | Allansford, Victoria |
| School | Kolora State School, Victoria |
| Religion | Roman Catholic |
| Occupation | Dairyman |
| Address | Glenormiston North, Victoria |
| Marital status | Single |
| Age at embarkation | 22 |
| Next of kin | Father, George Sadler, Glenormiston North, Victoria |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Rank on enlistment | Private |
| Unit name | 29th Battalion, 7th Reinforcement |
| AWM Embarkation Roll number | 23/46/3 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A35 Berrima on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 29th Battalion |
| Fate | Killed in Action |
| Place of death or wounding | Somme, France |
| Age at death | 23 |
| Age at death from cemetery records | 23 |
| Place of burial | Guards' Cemetery (Plot X, Row X, Grave No. 3), Lesboeufs, France |
| Panel number, Roll of Honour, Australian War Memorial | 116 |
| Miscellaneous information from cemetery records | Commemorated in Terang Cemetery, Victoria. Parents: George ( 13 December 1946, aged 83; bu. Terang) and Elizabeth (d. 12 June 1903, aged 35; bu. Terang) SADLER. Native of Allansford, Victoria |
| Family/military connections | Brother: R535 Lance Corporal John William SADLER, 24th Bn, killed in action, 4 May 1917. |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |