| Regimental number | 1305 |
| Place of birth | South Melbourne, Victoria |
| Religion | Presbyterian |
| Occupation | Tinsmith |
| Address | 33 Lyell Street, South Melbourne, Victoria |
| Marital status | Single |
| Age at embarkation | 23 |
| Next of kin | Mother, Mrs E Ainsworth, 33 Lyell Street, South Melbourne, Victoria |
| Enlistment date | 7 November 1914 |
| Date of enlistment from Nominal Roll | 7 November 1914 |
| Rank on enlistment | Private |
| Unit name | 7th Battalion, 2nd Reinforcement |
| AWM Embarkation Roll number | 23/24/2 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A46 Clan Macgillivray on 2 February 1915 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 7th Battalion |
| Fate | Returned to Australia 21 April 1918 |
| Discharge date | 17 July 1918 |
| Family/military connections | Brothers: 1901 Pte George AINSWORTH, 58th Bn; 7107 Pte Thomas Henry AINSWORTH, 14th Bn; 3455 Pte James AINSWORTH, 60th Bn, returned to Australia, 16 October 1916. |
| Other details | War service: Egypt, Gallipoli (wounded, 7 July 1915), Western Front (wounded, 20 September 1917). |
| Date of death | 9 February 1971 |