| Regimental number | 4570 |
| Place of birth | Sydney, New South Wales |
| School | St Patrick's School |
| Religion | Roman Catholic |
| Occupation | Coal lumper |
| Address | 16 Harrington Street, Sydney, New South Wales |
| Marital status | Married |
| Age at embarkation | 37 |
| Height | 5' 6" |
| Weight | 126 lbs |
| Next of kin | Wife, Mrs M Olston, 16 Harrington Street, Sydney, New South Wales |
| Previous military service | Nil |
| Enlistment date | |
| Place of enlistment | Warwick Farm, New South Wales |
| Rank on enlistment | Private |
| Unit name | 13th Battalion, 14th Reinforcement |
| AWM Embarkation Roll number | 23/30/4 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A70 Ballarat on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 59th Battalion |
| Fate | Killed in Action |
| Age at death from cemetery records | 36 |
| Place of burial | No known grave |
| Commemoration details | V.C. Corner (Panel No 17), Australian Cemetery Memorial, Fromelles, France |
| Panel number, Roll of Honour, Australian War Memorial | 168 |
| Miscellaneous information from cemetery records | Parents: Augustus and Ellen OLSTON; husband of Mary Catherine OLSTON, 16 Harrington Street, Millers's Point, New South Wales. Native of Sydney, New South Wales |
| Family/military connections | Brother-in-law: 4265 Lance Corporal Albert Edward PAYNE, 45th Bn, discharged, 2 November 1917. |
| Other details |
War service: Egypt, Western Front Embarked Sydney, 16 February 1916; disembarked Egypt, 22 March 1916. Joined 54th Bn, Ferry Post, 1 April 1916. Transferred to 14th Training Bn, Mount Katoomba, 11 May 1916. Transferred to 59th Bn, 12 May 1916; taken on strength, Ferry Post, 18 May 1916. Embarked Alexandria to join the British Expeditionary Force, 18 June 1916; disembarked Marseilles, France, 29 June 1916. Posted missing, 19 July 1916. Court of Enquiry, held in the field, 29 August 1917, pronounced fate as 'Killed in Action, 19 July 1916'. Note, Red Cross File No 2050608: 'No trace Germany. Cert. by Capt. Mills 10.10.19.' Medals: British War Medal, Victory Medal |
| Sources | NAA: B2455, OLSTON John Augustus
Red Cross File No 2050608 |