| Regimental number | 614 |
| Place of birth | Koroit, Victoria |
| Religion | Roman Catholic |
| Occupation | Grocer |
| Address | 41 Brunswick Street, Fitzroy, Victoria |
| Marital status | Single |
| Age at embarkation | 30 |
| Next of kin | J.F. Duffus, Koroit Hotel, Koroit, Victoria |
| Enlistment date | |
| Place of enlistment | Melbourne, Victoria |
| Rank on enlistment | Private |
| Unit name | 4th Light Horse Regiment, 1st Reinforcement |
| AWM Embarkation Roll number | 10/9/2 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A43 Barunga on |
| Rank from Nominal Roll | Sergeant |
| Unit from Nominal Roll | Australian Army Postal Corps |
| Fate | Returned to Australia |
| Miscellaneous information from cemetery records | Plaque in Victorian Garden of Remembrance |
| Family/military connections | Brothers: 1688 Gunner Leonard DUFFUS, 1st Wing Headquarters, Australian Flying Corps, returned to Australia, 3 July 1919; 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 |