| Regimental number | 432 |
| Date of birth | |
| Place of birth | Jesmond, New South Wales |
| Religion | Baptist |
| Occupation | Postal assistant |
| Address | Carrington, New South Wales |
| Marital status | Single |
| Age at embarkation | 19 |
| Height | 5' 9.5" |
| Weight | 136 lbs |
| Next of kin | Mother, Mrs Martha Galleghan, Little Denison Street, Carrington, New South Wales |
| Previous military service | Served for 5 years in the Senior Cadets. |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 34th Battalion, B Company |
| AWM Embarkation Roll number | 23/51/1 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A20 Hororata on |
| Rank from Nominal Roll | Sergeant |
| Unit from Nominal Roll | 34th Battalion |
| Fate | Returned to Australia |
| Discharge date | |
| Family/military connections | Uncle: 2069 Pte Robert GALLEGHAN, 34th Bn, killed in action, 29 September 1918. |
| Other details |
War service: Western Front Wounded in action, 6 June 1917 (gun shot wound, right shoulder); admitted to 1st Eastern General Hospital, 9 June 1917 (wound, severe). Rejoined unit in France, 21 February 1918. Commenced return to Australia on board HT 'Leicestershire', 9 December 1918; discharged (medically unfit), Sydney, , 3 March 1919. Medals: British War Medal, Victory Medal Also served in World War II: enlisted, 18 March 1940; discharged, 2 January 1946, as NX70416 Brigadier, 27th Infantry Brigade, 2 January 1946: DSO, OBE, ISO, ED. |
| Sources | NAA: B883, GALLEGHAN Frederick Gallagher |