| Duff, James | Beaconsfield II | Head Teacher | 1946 |
| Duff, James | Beaconsfield II | Head Teacher | 1947 |
| Duff, James | Beaconsfield II | Head Teacher | 1948 |
| Duff, James | Beaconfield II | Head Teacher | 1949 |
| Duff, James | Beaconsfield High School II | Head Teacher | 1950 |
| Duff, James | Beaconfield High School II | Head Teacher | 1951 |
| Duff, James | Beaconfield I High School | Head Teacher | 1952 |
| Duff, James | Beaconsfield Primary School I | Head Teacher | 1953 |
| Duff, James | Beaconfield Sp | Headmaster | 1954 |
| Duff, James | Beaconfield Primary School I | Headmaster | 1955 |
| Duff, James | Beaconfield Primary School | Headmaster | 1956 |
| Duff, James | Beaconfield Primary School | Headmaster | 1957 |
| Duff, James A | Katanning II | Temp 1st A and MT | 1916 |
| Duff, James A | Katanning II | 1st A & MT | 1917 |
| Duff, James A | Albany II | A and M.T | 1918 |
| Duff, James A | Newcastle Street I | 1st Assistant Teacher | 1922 |
| Duff, James A. | Cottesloe II | Senior Monitor | 1909 |
| Duff, James A. | Pingelly IV | Assistant Teacher | 1914 |
| Duff, James A. | Pingelly IV | Assistant Teacher | 1915 |
| Duff, James A. | Albany High II. | Assistant Teacher and M.T. | 1919 |
| Duff, James A. | Newcastle Street I | 1st Assistant Teacher | 1920 |
| Duff, James A. | Newcastle Street I | 1st Assistant Teacher | 1921 |
| Duff, James A. | Kununoppin V | Head Teacher | 1924 |
| Duff, Jmaes | Palmyra III | Head Teacher | 1938 |
| Duff, Mary | Rockingham Beach Primary School | Temporary Mistress (Teacher) | 1968 |
| Duff, Norma | Hilton Park Primary School I | Mistress (Teacher) on Supply | 1955 |
| Duff, Norma | Perth South Primary School | Mistress (Teacher) on Supply | 1957 |
| Duff, Norma Winnie | Ardross Primary School IA | Mistress (Teacher) | 1975 |
| Duff, Roderick | Perth Technical College - Department of Commerce | Lecturer II | 1964 |
| Duff, Roderick | Perth Technical College Department of Commerce | Lecturer II | 1965 |
| Duff, Roderick | Perth Technical College Department of Commerce | Lecturer II | 1966 |
| Duff, Roderick | Perth Technical College Dept of Commerce | Lecturer II. | 1967 |
| Duff, Roderick A. | Perth Technical College Department of Account & Business | Lect Gde II | 1968 |
| Duff, Roderick A. | Leederville Technical College Dept of Commerce | S/Lect II | 1969 |
| Duff, Roderick A. | Technical Education Division- Technical Colleges - Dept. of Commerce | S./Lecturer II | 1970 |
| Duff, Roderick Andrew | Leederville Technical College Commerce | Senior Lecturer A.P- | 1971 |
| Duff, Roderick Andrew | Leederville Technical College Commerce | Senior Lecturer A. | 1972 |
| Duff, Roderick Andrew | Leederville Technical College Commerce Dept | Senior Lecturer A. | 1973 |
| Duff, Roderick Andrew | Leederville Technical College - Commerce Dept. | Senior Lecturer A | 1975 |
| Duff, Roderick Andrew | Leederville Technical College - Commerce Dept | Senior Lecturer A | 1976 |
| Duff, Roderick Andrew | Perth Technical College Account & Data Dept. | Head of Department A P Ct | 1977 |
| Duff, Roderick Andrew | Perth Technical College Account & Data Proc. Dept | Head of Department A. | 1979 |
| Duff, Roderick Andrew | Perth Technical College Account & Data Proc. Dept. | Head of Department A | 1980 |
| Duff, Ronald | Belmont High School | Temporary Master (Teacher) on Probation | 1960 |
| Duff, Ronald | Belmont High School II | Master (Teacher) | 1962 |
| Duff, Ronald | Belmont High School | Master (Teacher) | 1963 |
| Duff, Ronald | John Curtin Senior High School | Master (Teacher) | 1964 |
| Duff, Ronald | John Curtin Senior High School | Master (Teacher) | 1965 |
| Duff, Ronald | John Curtin Senior High School | Master (Teacher) | 1966 |
| Duff, Ronald | Swanbourne Senior High School | Master (Teacher) | 1967 |
