| Regimental number | 5756 |
| Place of birth | Thebarton, South Australia |
| Religion | Baptist |
| Occupation | Horse driver |
| Address | Thebarton, South Australia |
| Marital status | Married |
| Age at embarkation | 30 |
| Height | 5'7.25" |
| Weight | 148 lbs |
| Next of kin | Wife, Mrs C Sincock, Beans Road, West Thebarton, South Australia |
| Previous military service | Nil |
| Enlistment date | |
| Place of enlistment | Adelaide, South Australia |
| Rank on enlistment | Private |
| Unit name | 10th Battalion, 18th Reinforcement |
| AWM Embarkation Roll number | 23/27/4 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A37 Barambah on |
| Rank from Nominal Roll | Lance Corporal |
| Unit from Nominal Roll | 43rd Battalion |
| Fate | Returned to Australia |
| Date of death | |
| Age at death from cemetery records | 33 |
| Place of burial | West Terrace Cemetery (Row 11, Grave No. 46), Adelaide, South Australia |
| Panel number, Roll of Honour, Australian War Memorial | 137 |
| Miscellaneous information from cemetery records | Parents: James and Hannah SINCOCK; husband of Mrs Christine SINCOCK, 41 Beames Road, West Thebarton, South Australia. Native of Thebarton, South Australia |
| Discharge date | |
| Other details |
War service: Western Front Commenced return to Australia on board HTA74 'Marathon', 15 April 1918; disembarked Melbourne, 12 June 1918, for onward travel to Adelaide; discharged (medically unfit), Adelaide, 27 September 1918. Medals: British War Medal, Victory Medal |
| Date of death | |
| Age at death | 33 |
| Sources | NAA: B2455, SINCOCK Bertram |