| Regimental number | 6851 |
| Date of birth | 7 September 1900 |
| Place of birth | Werribee, Victoria |
| Religion | Presbyterian |
| Occupation | Driver |
| Address | Footscray, Victoria |
| Marital status | Single |
| Age at embarkation | 21 |
| Next of kin | Father, Alexander Mawhinney, Neerim PO, Neerim, Victoria |
| Enlistment date | 8 February 1917 |
| Rank on enlistment | Private |
| Unit name | 21st Battalion, 19th Reinforcement |
| AWM Embarkation Roll number | 23/38/4 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A11 Ascanius on 11 May 1917 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | machine Gun Company Details |
| Fate | Returned to Australia 30 January 1918 |
| Other details | Served in France. Was wounded and sent to hospital in England. Brother, Bill also served in the 1st AIF. |
