| Regimental number | 1688 |
| Place of birth | Koroit, Victoria |
| Religion | Roman Catholic |
| Occupation | Labourer |
| Address | Koroit Hotel, Koroit, Victoria |
| Marital status | Single |
| Age at embarkation | 22 |
| Next of kin | Father, J.F. Duffas, Koroit Hotel, Koroit, Victoria |
| Enlistment date | |
| Place of enlistment | Bendigo, Victoria |
| Unit name | 4th Light Horse Regiment, 12th Reinforcement |
| AWM Embarkation Roll number | 10/9/2 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A40 Ceramic on |
| Rank from Nominal Roll | Gunner |
| Unit from Nominal Roll | 1st Wing Headquarters, Australian Flying Corps |
| Fate | Returned to Australia |
| Family/military connections | Brothers: 614 Sergeant Edward Patrick DUFFUS, Australian Army Postal Coprs, returned to Australia, 12 March 1918; 1967 Gunner Frederick Stanislaw DUFFUS, 4th Divisional Signal Company, returned to Australia, 12 May 1919; 1968 Trooper Harold Ambrose DUFFUS, 8th Light Horse Regiment, returned to Australia, 21 November 1916. |
| Other details |
Medals: 1914-15 Star, British War Medal, Victory Medal |
| Date of death | |
| Place of burial | Fawkner Cemetery |
Postal Address:
Po Box 7916
Canberra BC 2610, Australia
Street Address:
Northcott Drive,
Campbell, ACT 2600
