| Regimental number | 4233 |
| Place of birth | Alexandria, Sydney, New South Wales |
| School | Waterloo School, New South Wales |
| Religion | Church of England |
| Occupation | Porter |
| Address | 8 Turner Street, Redfern, Sydney, New South Wales |
| Marital status | Married |
| Age at embarkation | 27 |
| Height | 5' 7" |
| Weight | 172 lbs |
| Next of kin | Wife, Mrs M Sadler, 8 Turner Street, Redfern, Sydney, New South Wales |
| Previous military service | Nil |
| Enlistment date | |
| Place of enlistment | Warwick Farm, New South Wales |
| Rank on enlistment | Private |
| Unit name | 2nd Battalion, 13th Reinforcement |
| AWM Embarkation Roll number | 23/19/3 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A6 Aeneas on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 54th Battalion |
| Other details from Roll of Honour Circular | He was a cricketer and footballer. |
| Fate | Killed in Action |
| Place of death or wounding | Fleurbaix, France |
| Age at death | 28 |
| Age at death from cemetery records | 28 |
| Place of burial | No known grave |
| Commemoration details | V.C. Corner (Panel No 11), Australian Cemetery, Fromelles, France |
| Panel number, Roll of Honour, Australian War Memorial | 159 |
| Miscellaneous information from cemetery records | Parents: Alfred and Alice SADLER, 106 Morehead Street, Redfern, New South Wales; husband of Mary Margaret SADLER, 3 Clifton Terrace, Frenchmans Road, Randwick, New South Wales. Native of Sydney |
| Family/military connections | Brother: 1260 Pte William Edward SADLER, 18th Bn, killed in action, 22 August 1915. |
| Other details |
War service: Egypt, Western Front Allotted to and proceeded to join 54th Bn, Tel el Kebir, 16 February 1916. Embarked Alexandria to join the British Expeditionary Force, 19 June 1916; disembarked Marseilles, France, 29 June 1916. Wounded in action, 19-20 July 1916. Reported wounded and missing, 19-20 July 1916. Statement by 4531 Lance Corporal B. KUSKOFF, 54th Bn, 23 November 1916: 'I was in charge with No. 4509 L. Harriott and No. 4233 Private A.A. Sadler on the western front of the 19-7-1916, I was toldin the early part that No. 4509 Private A.A. Sadler was wounded. These two men were in the same section as myself and I was very sorry when I heard what had happened to them ... ' Court of Enquiry, held in the field, 4 August 1917, pronounced fate as 'killed in action, 19-20 July 1916'. Note, Red Cross File No 2400205: 'No trace Germany[.] Cert. by Capt. Mills 10-10-19.' Medals: British War Medal, Victory Medal |
| Miscellaneous details | Wife's subsequent address: Lockwood Street, Merrylands, New South Wales |
| Sources | NAA: B2455, SADLER Alfred Arthur
Red Cross file 2400205 |