| Regimental number | 7287 |
| Place of birth | Northam, Western Australia |
| Religion | Church of England |
| Occupation | Bank clerk |
| Address | Toodyay, Western Australia |
| Marital status | Single |
| Age at embarkation | 18 |
| Next of kin | Father, T J Donegan, Hotelkeeper, Toodyay, Western Australia |
| Enlistment date | 9 August 1917 |
| Date of enlistment from Nominal Roll | 26 June 1917 |
| Rank on enlistment | Private |
| Unit name | 28th Battalion, 22nd Reinforcement |
| AWM Embarkation Roll number | 23/45/4 |
| Embarkation details | Unit embarked from Fremantle, Western Australia, on board RMS Ormonde on 13 March 1918 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 51st Battalion |
| Fate | Returned to Australia 12 July 1919 |
| Family/military connections | Brother: 1646 Pte Herbert James DONEGAN, 51st Bn, killed in action, 3 September 1916; [?] Nephew: 804 Corporal Percy William DONEGAN, 1st Pioneer Bn, returned to Australia, 24 September 1918. |
