| Regimental number | 3747 |
| Place of birth | Hillgrove New South Wales |
| Religion | Methodist |
| Occupation | Railway employee |
| Address | Killara, Dorrigo, New South Wales |
| Marital status | Single |
| Age at embarkation | 18 |
| Next of kin | Father, Arthur Henry Purkiss, Killara, Dorrigo, New South Wales |
| Enlistment date | 14 May 1917 |
| Rank on enlistment | Private |
| Unit name | 1st Light Horse Regiment, 34th Reinforcement |
| AWM Embarkation Roll number | 10/6/5 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A38 Ulysses on 19 December 1917 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 1st Light Horse Regiment |
| Fate | Returned to Australia 29 April 1919 |
| Family/military connections | Brother: 3746 Pte Percy John Lyndon PURKISS, 1st Light Horse Regiment, returned to Australia, 29 April 1919. |