
| Place of birth | Waterloo, Sydney, New South Wales |
| School | Glen Innes Superior Public School; Fort Street School, Sydney, New South Wales |
| Religion | Methodist |
| Occupation | Clerk |
| Address | Cottsloe, Glen Innes, New South Wales |
| Marital status | Single |
| Age at embarkation | 24 |
| Next of kin | Father, A J Nunn, Cottsloe, Glen Innes, New South Wales |
| Previous military service | Served as a Corporal in the Coronation Cadets; as a 2nd Lt in the 14A Militia, Glen Innes, NSW; as a Lt in the 38th Kogarah Militia; as a Sergeant in the AN&MEF (Rabaul Expedition), 1914. |
| Enlistment date | |
| Rank on enlistment | Lieutenant |
| Unit name | 17th Battalion, B Company |
| AWM Embarkation Roll number | 23/34/1 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A32 Themistocles on |
| Rank from Nominal Roll | Lieutenant |
| Unit from Nominal Roll | 17th Battalion |
| Other details from Roll of Honour Circular | Mentioned in Despatches. Wounded at Gallipoli. Contracted illness in France. Died at Randwick Hospital, NSW. |
| Fate | Returned to Australia |
| Place of death or wounding | France |
| Date of death | |
| Age at death | 25 |
| Place of burial | Waverley Cemtery (Portion Methodist), New South Wales |
| Panel number, Roll of Honour, Australian War Memorial | 83 |
| Miscellaneous information from cemetery records | Son of A.J. NUNN. Native of Waterloo, New South Wales. Plaque in Garden of Remembrance, NSW. |
| Family/military connections | Cousin: Captain F.J. Medcalf DSO, 11th Bn; Captain John Aubrey NUNN MC, Pioneer Bn. |