| Regimental number | 5140 |
| Place of birth | Penguin Tasmania |
| Religion | Methodist |
| Occupation | Farmer |
| Address | Penguin, Tasmania |
| Marital status | Single |
| Age at embarkation | 18 |
| Next of kin | Father, Mr H G Mainwaring, Penguin, Tasmania |
| Enlistment date | 12 January 1916 |
| Rank on enlistment | Private |
| Unit name | 12th Battalion, 16th Reinforcement |
| AWM Embarkation Roll number | 23/29/4 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board RMS Orontes on 29 March 1916 |
| Rank from Nominal Roll | Corporal |
| Unit from Nominal Roll | 49th Battalion |
| Fate | Returned to Australia 11 December 1918 |
| Date of death | 23 November 1966 |
| Place of burial | Penguin Public Cemetery |