| Regimental number | 87 |
| Place of birth | Dublin, Ireland |
| Religion | Roman Catholic |
| Occupation | Labourer |
| Address | 23 Griffiths Street, Richmond, Victoria |
| Marital status | Single |
| Age at embarkation | 27 |
| Height | 5' 9.75" |
| Weight | 140 lbs |
| Next of kin | Father, William Costello, 24 Prussia Street, Dublin, Ireland |
| Previous military service | Nil (previously rejected on account of teeth) |
| Enlistment date | |
| Place of enlistment | Melbourne, Victoria |
| Rank on enlistment | Private |
| Unit name | 39th Battalion, A Company |
| AWM Embarkation Roll number | 23/56/1 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A11 Ascanius on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 39th Battalion |
| Fate | Returned to Australia |
| Discharge date | |
| Other details |
War service: Western Front Embarked Melbourne, 27 May 1916; disembarked Devonport, England, 18 July 1916. Found guilty, Larkhill, 23 September 1916, of (1) illegal possession of blank ammunition (2) discharging blank ammunition in the lines: awarded 7 days' Field Punishment No 2. Found guilty, Larkhill, 28 October 1916, of being absent without leave from midnight, 28 October, to 9.45 pm, 1 November 1916: awarded 7 days' Field Punishment No 2. Proceeded overseas to France, 23 November 1916. Wounded in action, 31 January 1917 (gun shot wound, right leg), and admitted to 9th Australian Field Ambulance, and transferred to 2nd Australian Casualty Clearing Station; by No 10 Ambulance Train, 7 February 1917, and admitted to 14th General Hospital, Wimereux, 8 February 1917; to England, 10 February 1917, and admitted to 3rd London General Hospital, Wandsworth; to 3rd Australian Auxiliary Hospital, Dartford, 6 July 1917; discharged to No 2 Command Depot, Weymouth, 13 July 1917. Commenced return to Australia on board 'Demosthenes', 27 July 1917; disembarked Melbourne, 24 September 1917; discharged (medically unfit), 17 December 1917. Medals: British War Medal, Victory Medal |
| Date of death | |
| Place of burial | Carlton Cemetery |
| Sources | NAA: B2455, COSTELLO William Denis |
Postal Address:
Po Box 7916
Canberra BC 2610, Australia
Street Address:
Northcott Drive,
Campbell, ACT 2600
