| Regimental number | 3455 |
| Place of birth | Melbourne, Victoria |
| Religion | Presbyterian |
| Occupation | Tinsmith |
| Address | Mother, Mrs Eliza Ainsworth, 33 Lyell Street, South Melbourne, Victoria |
| Marital status | Single |
| Age at embarkation | 21 |
| Next of kin | Father, Charles Ainsworth, 52 Nelson Road, South Melbourne, Victoria |
| Enlistment date | 12 July 1915 |
| Date of enlistment from Nominal Roll | 7 July 1915 |
| Rank on enlistment | Private |
| Unit name | 22nd Battalion, 8th Reinforcement |
| AWM Embarkation Roll number | 23/39/2 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A19 Afric on 5 January 1916 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 60th Battalion |
| Fate | Returned to Australia 16 October 1916 |
| Family/military connections | Brothers: 1901 Pte George AINSWORTH, 58th Bn; 7107 Pte Thomas Henry AINSWORTH, 14th Bn; 1305 Pte William Edward AINSWORTH, 7th Bn, returned to Australia, 21 April 1918. |
| Date of death | 24 November 1967 |
| Place of burial | Fawkner Cemetery |