| Regimental number | 1694 |
| Place of birth | Sale, Victoria |
| Religion | Roman Catholic |
| Occupation | Salesman |
| Address | Denison, Victoria |
| Marital status | Single |
| Age at embarkation | 30 |
| Height | 5' 7" |
| Weight | 128 lbs |
| Next of kin | Brother, Mr Martin Duffy, Denison, Victoria |
| Previous military service | Nil |
| Enlistment date | |
| Place of enlistment | Melbourne, Victoria |
| Rank on enlistment | Private |
| Unit name | 57th Battalion, 2nd Reinforcement |
| AWM Embarkation Roll number | 23/74/3 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A14 Euripides on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 59th Battalion |
| Fate | Killed in Action |
| Place of burial | No known grave |
| Commemoration details | V.C. Corner, Australian Cemetery Memorial, Fromelles, France |
| Panel number, Roll of Honour, Australian War Memorial | 167 |
| Other details |
War service: Egypt, Western Front Taken on strength, 59th Bn, Ferry Post, 24 May 1916. Embarked Alexandria to join the British Expeditionary Force, 18 June 1916; disembarked Marseilles, France, 29 June 1916. Found guilty, 12 July 1916, of being absent without leave, 0900-2000, 7 July 1916: forfeited 1 day's pay; total forfeitue: 11 days' pay. Found guilty, 17 July 1916, of being from Billet without leave, 16 July 1916: awarded 28 days' Field Punishment No 2. Reported Missing, 19 July 1916. Court of Enquiry, held in the field, 29 August 1917, pronounced fate as 'Killed in Action, 19 July 1916'. Handwritten note on Form B103: 'Presumed Buried in No Man's Land approx 5J90 43 to 5K02.5.1 Sheet Hazebrouck 5A'. Medals: British War Medal, Victory Medal |
| Miscellaneous details | Name entered incorrectly on Embarkation Roll as Gavan Jospeh DUFFY. |
| Sources | NAA: B2455, DUFFY Cavan Joseph |