| Place of birth | Narromine New South Wales |
| Religion | Church of England |
| Occupation | Medical practitioner |
| Address | Mosman, New South Wales |
| Marital status | Single |
| Age at embarkation | 23 |
| Next of kin | Father, G A Gunning, Post Office Grafton, Grafton, New South Wales |
| Previous military service | 2nd Bn 36th Infantry Regiment |
| Enlistment date | 5 August 1918 |
| Date of enlistment from Nominal Roll | 4 November 1918 |
| Rank on enlistment | Captain |
| Unit name | Medical Officers |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A54 Runic on 19 February 1915 |
| Rank from Nominal Roll | Captain |
| Unit from Nominal Roll | Special Service Australian Medical Corps |
| Fate | Discharged 16 September 1919 |