| Regimental number | 2150 |
| Place of birth | Albert Park, Victoria |
| Religion | Roman Catholic |
| Occupation | Printer |
| Marital status | Single |
| Age at embarkation | 19 |
| Height | 5' 4.75" |
| Weight | 140 lbs |
| Next of kin | Father, Thomas Cosgriff, 105 Danks Street, Albert Park, Melbourne, Victoria |
| Previous military service | Served for 18 months in the Senior Cadets; 18 months in the Citizen Military Forces. |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 21st Battalion, 4th Reinforcement |
| AWM Embarkation Roll number | 23/38/2 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A20 Hororata on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 57th Battalion |
| Fate | Killed in Action |
| Place of death or wounding | Battle of Fromelles, France |
| Age at death | 20 |
| Age at death from cemetery records | 20 |
| Place of burial | Fromelles (Pheasant Wood) Military Cemetery (Plot IV, Row C, Grave No 9), France |
| Panel number, Roll of Honour, Australian War Memorial | 167 |
| Other details |
War service: Egypt, Western Front Taken on strength of 21st Bn, Tel el Kebir, 7 January 1916. Taken on strength of 57th Bn, Ferry Post, 1 April 1916. Transferred to 59th Bn, 3 April 1916; taken on strength of 59th Bn, Ferry Post, 3 April 1916. Embarked Alexandria to join the British Expeditionary Force, 18 June 1916; disembarked Marseilles, France, 29 June 1916. Posted missing, 19 July 1916. Court of Enquiry, held in the field, 29 August 1917, pronounced fate as 'Killed in Action, 19 July 1916'. Note on B.103, 'presumed buried in No Man's Land at approx 5J9043 to 5K0251 Sheet Hazebrouck 5a'. Medals: 1914-15 Star, British War Medal, Victory Medal Originally listed as 'No Known Grave' and commemorated at V.C. Corner (Panel No 16), Australian Cemetery, Fromelles; subsequently (2010) identified, and interred in the Fromelles (Pheasant Wood) Military Cemetery, France. |
| Sources | NAA: B2455, COSGRIFF Thomas Joseph |