| Sinclair, Jennifer Mary | Oberthur Primary School | Deputy Principal F | 1979 |
| Sinclair, Jennifer Mary | Oberther Primary School | DPRIN F | 1980 |
| Sinclair, John | Belmont High School | Temporary Master (Teacher) on Probation | 1959 |
| Sinclair, John | Belmont High School | Temporary Master (Teacher) on Probation | 1960 |
| Sinclair, John | Belmont High School | Temporary Master (Teacher) | 1961 |
| Sinclair, John | Northam Senior High School II | Master (Teacher) | 1962 |
| Sinclair, John | Swanbourne High School | Master (Teacher) | 1963 |
| Sinclair, John | Cunderdin Agricultural Primary-Junior High School I | Master (Teacher) H. | 1964 |
| Sinclair, John | Cunderdin Junior Primary School | Master (Teacher) | 1965 |
| Sinclair, John | Armadale Senior High School | Master (Teacher) | 1966 |
| Sinclair, John | Armadale Senior High School | Master (Teacher) | 1967 |
| Sinclair, John | City Beach Senior High School | Senior Master (Teacher) PHYS. ED. | 1970 |
| Sinclair, John B. | Graylands Technical College | T Lect III Phys Ed | 1968 |
| Sinclair, John B. | Secondary Technical College | A Lect III Phys Ed | 1969 |
| Sinclair, John Bruce | MtLawley Teachers College | Lecturer B. | 1971 |
| Sinclair, John Bruce | Mt Lawley Teachers College | Lecturer B. | 1972 |
| Sinclair, John Bruce | Mt Lawley Teachers College | Lecturer B. | 1973 |
| Sinclair, Jones Brenda Carol | Kenwick Primary School | Mistress (Teacher) | 1978 |
| Sinclair, Julie Ann | Lynwood Senior High School | Mistress (Teacher) | 1979 |
| Sinclair, Julie Ann | Lynwood Senior High School | Mistress (Teacher) | 1980 |
| Sinclair, Keith Royden | East Narrogin Primary School | Master (Teacher) | 1971 |
| Sinclair, Keith Royden | East Narrogin Primary School | Master (Teacher) | 1972 |
| Sinclair, Keith Royden | East Narrogin Primary School I | Master (Teacher) | 1973 |
| Sinclair, Keith Royden | Willetton Primary School IA | Master (Teacher) | 1975 |
| SInclair, Lesley Anne | Eastern Goldfields Senior High School | Mistress (Teacher) | 1978 |
| Sinclair, Mande | Perth North I | Monitor | 1914 |
| Sinclair, Margaret | Mt Lawley Senior High School | Mistress (Teacher) | 1967 |
| Sinclair, Marlene | Midland Junction Senior High School | Temporary Mistress (Teacher) on Probation | 1959 |
| Sinclair, Marlene | Geraldton Senior High School | Temporary Mistress (Teacher) on Probation | 1960 |
| Sinclair, Maud | Cottesloe Infants III | Assistant Teacher | 1917 |
| Sinclair, Maud | Cottesloe Infants IV | Assistant Teacher | 1918 |
| Sinclair, Maud | Cottesloe Infants IV. | Assistant Teacher | 1919 |
| Sinclair, Maud | Thomas Street Infants II | Assistant Teacher | 1920 |
| Sinclair, Maud | Victoria Park East Infants I. | Assistant Teacher | 1931 |
| Sinclair, Maude | Perth East Infants IV | Assistant Teacher | 1915 |
| Sinclair, Maude | Thomas Street Infants II | Assistant Teacher | 1921 |
| Sinclair, Maude | Thomas Street Infants II | Assistant Teacher | 1922 |
| Sinclair, Maude | Thomas St. Infants II | Assistant Teacher | 1923 |
| Sinclair, Maude | Thomas St Infants II | Assistant Teacher | 1924 |
| Sinclair, Maude | Thomas Street Infants II | Assistant Teacher | 1925 |
| Sinclair, Maude | Thomas St. Infants II | Assistant Teacher | 1926 |
| Sinclair, Maude | Thomas Street Infants II | Assistant Teacher | 1927 |
| Sinclair, Maude | Thomas Street Infants II | Assistant Teacher | 1928 |
| Sinclair, Maude | Thomas Street Infants' II. | Assistant Teacher | 1929 |
| Sinclair, Maude | Thomas Street Infants' III. | Assistant Teacher | 1930 |
| Sinclair, Maude | Victoria Park, East Infants` II. | Assistant Teacher | 1931 |
| Sinclair, Neil | Yerbillion VII | Head Teacher on Probation | 1928 |
| Sinclair, Neil | Yerbillon VII. | Head Teacher on Probation | 1929 |
| Sinclair, Neil | Yerbillon VII. | Head Teacher | 1930 |
| Sinclair, Neil | Kokatea VII. | Head Teacher | 1931 |
