| Sinclair, Geoffrey Neill | Health and Physical Education | Education Officer | 1978 |
| Sinclair, Geoffrey Neill | Physical & Health Education Bch | Education Officer | 1979 |
| Sinclair, Gilbert | Eastern GoldfieldsTechnical School - Class II | INST./P. | 1956 |
| Sinclair, Gilbert | Eastern Goldfields Technical | Instructor | 1957 |
| Sinclair, Gilbert | Eastern Goldfields Technical | Instructor | 1958 |
| Sinclair, Gilbert | Goldfields Technical | Instructor | 1960 |
| Sinclair, Gilbert | Eastern Goldfiels Technical | Instructor | 1961 |
| Sinclair, Gilbert | Albany Senior High School II | Master (Teacher) M.T. | 1962 |
| Sinclair, Gilbert | Albany High School Senior High School | Temporary Master (Teacher) | 1963 |
| Sinclair, Gilbert | Albany Senior High School | Temporary Master (Teacher) | 1964 |
| Sinclair, Gilbert | Albany Technical College Centre | Instructor | 1965 |
| Sinclair, Gilbert | Albany Technical Centre | Instructor | 1966 |
| Sinclair, Gilbert | Albany Technical Centre | Instructor | 1967 |
| Sinclair, Gilbert W. | Eastern Goldfields Technical | Instructor | 1959 |
| Sinclair, Gilbert W. | Albany Technical Centre | Instructor | 1968 |
| Sinclair, Gilbert W. | Albany Technical Centre | Instructor | 1969 |
| Sinclair, Gilbert W. | Albany Technical Centre | Instructor | 1970 |
| Sinclair, Gilbert William | Carpentry/Joinery | Instructor | 1971 |
| Sinclair, Gilbert William | AlbanyTechnical Education Centre Carpentry/ Joinery | Instructor | 1972 |
| Sinclair, Gilbert William | Albany Technical School Trades | Instructor | 1973 |
| Sinclair, Gilbert William | Albany Technical School - Plumbing Sheetmetal | Instructor | 1975 |
| Sinclair, Gilbert William | Albany Technical School - Trades | Instructor | 1976 |
| Sinclair, Gilbert William | Albany Technical Colloege Trades | Instructor P Ct | 1977 |
| Sinclair, Gilbert William | Technical Trades Dept. | Instructor | 1978 |
| Sinclair, Gordon | Eastern Goldfields Senior High School | Master (Teacher) | 1978 |
| Sinclair, Heather Faith | Wundowie District High School | Mistress (Teacher) | 1979 |
| Sinclair, Heather Faith | Wundowie District High School | Mistress (Teacher) | 1980 |
| Sinclair, Heather Margaret | Special Library Course | Mistress (Teacher) | 1975 |
| Sinclair, Heather Margaret | East Victoria Park Primary School IA | Mistress (Teacher) | 1976 |
| Sinclair, Heather Margaret | East Victoria Park Primary School | Mistress (Teacher) | 1977 |
| Sinclair, Heather Margaret | East Vic Park Primary School | Mistress (Teacher) | 1978 |
| Sinclair, Heather Margaret | East Vic. Park Primary School | Mistress (Teacher) | 1979 |
| Sinclair, Irma | Balingup Primary School | Mistress (Teacher) on Probation | 1957 |
| Sinclair, Irma | Osborne Park Primary Class I | Mistress (Teacher) on Probation | 1958 |
| Sinclair, Jean | Wagin IV | Senior Monitor | 1906 |
| Sinclair, Jean | Wagin IV | Assistant Teacher (on leave) | 1911 |
| Sinclair, Jean | Wagin IV | Assistant Teacher (on leave) | 1912 |
| Sinclair, Jeanette | Wagin IV | Assistant Teacher | 1910 |
| Sinclair, Jeanie | Wagin IV | Senior Monitor | 1907 |
| Sinclair, Jennifer | Goomalling Primary School II | Mistress (Teacher) on Probation | 1963 |
| Sinclair, Jennifer | Goomalling Primary School II | Mistress (Teacher) on Probation | 1964 |
| Sinclair, Jennifer | Goomalling Primary School | Mistress (Teacher) | 1965 |
| Sinclair, Jennifer | Bunbury South Primary School | Mistress (Teacher) | 1966 |
| Sinclair, Jennifer | Perth East Primary School | Temporary Mistress (Teacher) | 1967 |
| Sinclair, Jennifer Mary | Carawatha Primary School | 1st Mistress (Teacher) | 1972 |
| Sinclair, Jennifer Mary | Lockridge Junior Primary School I | Deputy Headmaster | 1973 |
| Sinclair, Jennifer Mary | Beaconsfield Primary School IA | 1st Mistress (Teacher) | 1975 |
| Sinclair, Jennifer Mary | Beaconsfield Primary School IA | Principal Mistress | 1976 |
| Sinclair, Jennifer Mary | Beaconsfield Primary School | Principal Mistress | 1977 |
| Sinclair, Jennifer Mary | Beaconsfield Primary School | Principal Mistress | 1978 |
