| Cosenz, Maria | Donnybrook Junior High School | Mistress (Teacher) | 1971 |
| Cosenza, Maria Caterina | Newton Moore Senior High School | Mistress (Teacher) | 1977 |
| Cosenza, Maria Caterina | Newton Moore Senior High School | Mistress (Teacher) | 1979 |
| Cosenza, Maria Caterina | Newton Moore Senior High School | Mistress (Teacher) | 1980 |
| Cosgrave, Glenys Margaret | Bridgetown High School | Mistress (Teacher) | 1971 |
| Cosgrave, Glenys Margaret | Melville Senior High School | Mistress (Teacher) | 1972 |
| Cosgrave, Glenys Margaret | Melville Senior High School | Mistress (Teacher) | 1973 |
| Cosgrave, Glenys Margaret | Rockingham Senior High School | Mistress (Teacher) | 1975 |
| Cosgrave, Glenys Margaret | Rockingham Senior High School | Mistress (Teacher) | 1976 |
| Cosgrave, Mavis | Kalgoorlie South III | Assistant Teacher on Probation | 1947 |
| Cosgrave, Mavis | Kalgoorlie South III | Assistant Teacher on Probation | 1948 |
| Cosgrive, Valerie P. | Wembley Primary School | Mistress (Teacher) on Probation | 1969 |
| Cosgrove, Eliza | McLeods Creek VII | Sewing Mistress | 1926 |
| Cosgrove, Eliza | McLeods Creek VII | Sewing Mistress | 1927 |
| Cosgrove, Elizabeth | Group 38 VII | Sewing Mistress | 1925 |
| Cosgrove, Helena | Kwolyn VII | Sewing Mistress | 1934 |
| Cosgrove, Helena | Kwolyin VI | Sewing Mistress | 1937 |
| Cosgrove, Mary | Narembeen V | Monitor on Probation | 1939 |
| Cosgrove, Mary | Tampia VII | Head Teacher on Probation | 1942 |
| Cosgrove, Mary | Tampia VII | Head Teacher | 1943 |
| Cosgrove, Mary | Northam West IV | Assistant Teacher | 1944 |
| Cosgrove, Mary | Dowerin V | Assistant Teacher | 1945 |
| Cosgrove, Mary | Yarloop IV | Assistant Teacher | 1947 |
| Cosgrove, Mary | Yarloop IV | Assistant Teacher | 1948 |
| Cosgrove, Mavis | Byford V | Monitor on Probation | 1944 |
| Cosgrove, Oliver Joseph | Tom Price Primary School | Master (Teacher) | 1978 |
| Cosgrove, Oliver Joseph | Tom Price Primary School | Master (Teacher) | 1979 |
| Cosgrove, Oliver Joseph | Tom Price Primary School | Master (Teacher) | 1980 |
| Cosgrove, Ronald Peter | Bunbury Senior High School | Master (Teacher) | 1979 |
| Cosgrove, Valarie Patricia | Dampier Primary School | Principal Mistress | 1978 |
| Cosgrove, Valerie | Wembley Primary School | Mistress (Teacher) | 1970 |
| Cosgrove, Valerie P. | Wembley Primary School | Mistress (Teacher) on Probation | 1968 |
| Cosgrove, Valerie Patricia | Wembley Primary School | Master (Teacher) | 1971 |
| Cosgrove, Valerie Patricia | Wembley Primary School | Mistress (Teacher) | 1972 |
| Cosgrove, Valerie Patricia | Unattached Education Department Primary Education Division | Mistress (Teacher) | 1973 |
| Cosgrove, Valerie Patricia | Davallia Primary School IA | 1st Mistress (Teacher) | 1975 |
| Cosgrove, Valerie Patricia | Davallia Primary School IA | Mistress (Teacher) | 1976 |
| Cosgrove, Valerie Patricia | Davallia Primary School | Mistress (Teacher) | 1977 |
| Cosgrove, Valerie Patricia | Dampier Primary School | Deputy Principal F | 1979 |
| Cosier, Carrie | Mount Pleasant Primary School | Mistress (Teacher) on Supply | 1959 |
| Cosier, Carrie | Claremont Primary School I | Mistress (Teacher) on Supply T.T. | 1961 |
| Cosier, Carrie | Claremont Primary School I | Mistress (Teacher) on Supply | 1962 |
| Cosier, Carrie | Claremont Primary School IA I | Mistress (Teacher) on Supply | 1963 |
| Cosier, Carrie | Claremont Primary School IA I | Mistress (Teacher) on Supply | 1964 |
| Cosier, Carrie | Claremont IA Primary School | Mistress (Teacher) on Supply | 1965 |
| Cosier, Carrie | Claremont Primary School | Mistress (Teacher) on Supply | 1966 |
| Cosier, Carrie | Claremont Primary School | Temporary Mistress (Teacher) | 1967 |
| Cosier, Carrie | Claremont Primary School | Temporary Mistress (Teacher) | 1969 |
| Cosier, Carrie Gay | In Service Education Branch | A A. D. T. 2 P. | 1971 |
| Cosier, Carrie Gay | Mt Lawley Teachers College | Lecturer A. | 1972 |
