| Regimental number | 4 |
| Place of birth | Grafton, New South Wales |
| Religion | Church of England |
| Occupation | Clerk |
| Address | Oliver Street, Grafton, New South Wales |
| Marital status | Single |
| Age at embarkation | 18 |
| Height | 5' 5" |
| Weight | 122 lbs |
| Next of kin | Father, Alfred Henry Appleby, 109 Oliver Street, Grafton, New South Wales |
| Previous military service | 12th Infantry |
| Enlistment date | 8 October 1915 |
| Place of enlistment | Lismore, New South Wales |
| Rank on enlistment | Private |
| Unit name | 42nd Battalion, A Company |
| AWM Embarkation Roll number | 23/59/1 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A30 Borda on 5 June 1916 |
| Rank from Nominal Roll | Lance Corporal |
| Unit from Nominal Roll | 41st Battalion |
| Fate | Returned to Australia 4 December 1918 |
| Other details | Medals: British War Medal, Victory Medal |
| Sources | NAA: B2455, APPLEBY Irwin Keith |
