| Sinclair, Neill | Smiths Brook VI | Head Teacher | 1935 |
| Sinclair, Neill | Smiths Brook VI | Head Teacher | 1936 |
| Sinclair, Neill | Smiths Brook VI | Head Teacher | 1937 |
| Sinclair, Neill | Smiths Brook VI | Head Teacher | 1939 |
| Sinclair, Neill | Smiths Brook VI | Head Teacher | 1940 |
| Sinclair, Neill | Inglewood I | Assistant Teacher | 1941 |
| Sinclair, Neill | Midland Junction IA | Temporary Assistant Teacher | 1942 |
| Sinclair, Neill | Midland Junction IA | Temporary Assistant Teacher | 1943 |
| Sinclair, Neill | Bullfinch Primary School | Headmaster | 1957 |
| Sinclair, Neill | Armadale Primary School I | Headmaster | 1962 |
| Sinclair, Neill Murray | Kensington Primary School | Headmaster | 1971 |
| Sinclair, Neill Murray | Kensigton Primary School | Headmaster | 1972 |
| Sinclair, Neill Murray | Kensington Primary School I | Headmaster | 1973 |
| Sinclair, Patricia Mary | Rockingham Senior High School | Mistress (Teacher) | 1980 |
| Sinclair, Peter Richard | Eastern Goldfields Senior High School | Master (Teacher) | 1977 |
| Sinclair, Peter Richard | Merredin Senior High School | Master (Teacher) | 1979 |
| Sinclair, Peter Richard | Merredin Senior High School | Master (Teacher) | 1980 |
| Sinclair, R. | Mirrabooka High School | Cl Asst | 1968 |
| Sinclair, R. | Mirrabooka Senior High School | Cl Asst | 1969 |
| Sinclair, R. | Mirrabooka Senior High School | Clerical Assistant 3/5 | 1970 |
| Sinclair, Rachel Anne | Rockingham Beach Primary School IA | Mistress (Teacher) | 1976 |
| Sinclair, Rhonda | Careers Branch | Guidance Officer | 1950 |
| Sinclair, Rhonda | Careers Branch | Guidance Officer | 1951 |
| Sinclair, Rhonda | Careers Branch | G.O.2-3 | 1952 |
| Sinclair, Richard | Claremont | Monitor on Probation | 1947 |
| Sinclair, Roderick Bowman | Armadale Senior High School | Master (Teacher) | 1979 |
| Sinclair, Roderick Bowman | Armadale Senior High School | Master (Teacher) | 1980 |
| Sinclair, Ruth | Perth Technical College College | LIB.ASST. | 1965 |
| Sinclair, Ruth | Perth Technical College | LIB. ASSIST. | 1966 |
| Sinclair, Ruth | Perth Technical College Administrative Staff | Lib ASST. | 1967 |
| Sinclair, Sally | Swimming Classes Metropolitan Specialist Section | Mistress (Teacher) on Supply | 1965 |
| Sinclair, Sally | MtLawley Senior High School | Mistress (Teacher) on Supply | 1966 |
| Sinclair, Sally | Mt Lawley Senior High School | Temporary Mistress (Teacher) | 1967 |
| Sinclair, Sally Anne | Mount Lawley Senior High School | Mistress (Teacher) | 1971 |
| Sinclair, Sally Anne | Mount Lawley Senior High School | Mistress (Teacher) | 1972 |
| Sinclair, Sandra | Port Hedland II Primary Junior High School | Mistress (Teacher) on Probation | 1965 |
| Sinclair, Sandra | Port Hedland Junior High School II | Mistress (Teacher) on Probation | 1966 |
| Sinclair, Sandra | Geraldton Primary School | Mistress (Teacher) | 1968 |
| Sinclair, Sandra K. | Geraldton Primary School | Mistress (Teacher) | 1967 |
| Sinclair, Sandra K. | Argyle Downs Special Native School | Headmaster | 1969 |
| Sinclair, Sandra K. | Mirrabooka Primary School | Mistress (Teacher) | 1970 |
| Sinclair, Shirley Anne | Whiteside Primary School IA | Mistress (Teacher) | 1976 |
| Sinclair, Shirley Anne | Whiteside Primary School | Mistress (Teacher) | 1977 |
| Sinclair, Shirley Anne | Whiteside Primary School | Mistress (Teacher) | 1978 |
| Sinclair, Shirley Anne | Whiteside Primary School | Mistress (Teacher) | 1979 |
| Sinclair, Susan | Rosalie IV | Assistant Teacher | 1915 |
| Sinclair, Susan | Rosalie IV | Assistant Teacher | 1916 |
| Sinclair, Susan | Leederville II | Assistant Teacher | 1917 |
| Sinclair, Susan | Leederville II | Assistant Teacher | 1918 |
| Sinclair, Susan | Leederville II. | Assistant Teacher | 1919 |
