| O'Byrne, Uma | Quairading High School III | Assistant Teacher | 1951 |
| O'Callaghan, Anne | Collie Garden Asstd. | Head Teacher | 1935 |
| O'Callaghan, Bernice | Leonora VI | M. and S.M. | 1935 |
| O'Callaghan, Bernice | Mears VII | Head Teacher on Probation | 1936 |
| O'Callaghan, Bernice | Mears VII | Head Teacher on Probation | 1937 |
| O'Callaghan, Bernice | Mears VII | Head Teacher | 1938 |
| O'Callaghan, Bernice | Mears VII | Head Teacher | 1939 |
| O'Callaghan, Bernice | Augusta VII | Head Teacher | 1940 |
| O'Callaghan, Bernice | Augusta Primary School VII | Head Teacher | 1941 |
| O'Callaghan, Bernice | Augusta VII | Head Teacher | 1942 |
| O'Callaghan, Bernice | Augusta VII | Head Teacher | 1943 |
| O'Callaghan, Dennis | Leederville Primary School I | Master (Teacher) on Probation | 1962 |
| O'Callaghan, Dennis | West Leederville Primary School I | Master (Teacher) on Probation | 1963 |
| O'Callaghan, Dennis | Albany Senior High School | Master (Teacher) | 1964 |
| O'Callaghan, Dennis | Albany Senior High School | Master (Teacher) | 1965 |
| O'Callaghan, Dennis | Albany Senior High School | Master (Teacher) | 1966 |
| O'Callaghan, Dennis | Albany Senior High School | Master (Teacher) | 1968 |
| O'Callaghan, Dennis | Albany Senior High School | Master (Teacher) | 1969 |
| O'Callaghan, Dennis | South Fremantle High School | Master (Teacher) | 1971 |
| O'Callaghan, Dennis | South Fremantle Senior High School | Master (Teacher) | 1972 |
| O'Callaghan, Dennis | South Fremantle Senior High School | Master (Teacher) | 1973 |
| O'Callaghan, Dennis | Lynwood High School | Master (Teacher) | 1975 |
| O'Callaghan, Dennis | Lynwood High School | Master (Teacher) | 1976 |
| O'Callaghan, Dennis | BuSSelton Senior High School | Master (Teacher) | 1978 |
| O'Callaghan, Dennis | Margaret River Primary School | Sen. ASSIST. | 1979 |
| O'Callaghan, Dennis | Booragoon Primary School | Sen. ASSIST. | 1980 |
| O'Callaghan, Elanor | Benger High School | Head Teacher on Supply | 1952 |
| O'Callaghan, Eleanor | Denmark Agricultural Junior High School | MI.S. | 1954 |
| O'Callaghan, Eleanor | Harvey Junior High School | Mistress (Teacher) on Supply | 1955 |
| O'Callaghan, Eleanor | Harvey Agricultural Junior High School | Mistress (Teacher) on Supply | 1957 |
| O'Callaghan, Elizabeth Marjory | Scarborough Senior High School | Mistress (Teacher) | 1972 |
| O'Callaghan, Elizabeth Marjory | Scarborough Senior High School | Mistress (Teacher) | 1973 |
| O'Callaghan, Elizabeth Marjory | Unattached Secondary Education Div. | Mistress (Teacher) | 1975 |
| O'Callaghan, Elizabeth Marjory | Unattached | Mistress (Teacher) | 1976 |
| O'Callaghan, Elizabeth Marjory | Swanbourne Senior High School | Mistress (Teacher) | 1977 |
| O'Callaghan, Elizabeth Marjory | Swanbourne Senior High School | Mistress (Teacher) | 1978 |
| O'Callaghan, Mavis | Tenterden VII | Sewing Mistress | 1939 |
| O'Callaghan, Mavis | Yorkrakine VII | Sewing Mistress | 1946 |
| O'Callaghan, Mavis | Mingenew VI | Sewing Mistress | 1947 |
| O'Callaghan, Michael | Nangeenan North VII | Head Teacher on Supply | 1935 |
| O'Callaghan, Michael | Nangeenan North VII | Head Teacher on Supply | 1936 |
| O'Callaghan, Michael | Nangeenan North VII | Head Teacher | 1937 |
| O'Callaghan, Michael | Tenterden VII | Head Teacher | 1938 |
| O'Callaghan, Michael | Tenterden VII | Head Teacher | 1939 |
| O'Callaghan, Michael | Tenterden VII | Head Teacher | 1940 |
| O'Callaghan, Michael | Tenterden VII | Head Teacher | 1941 |
| O'Callaghan, Michael | Noggerup VI | Temporary Head Teacher | 1942 |
| O'Callaghan, Michael | Benger VI | Temporary Head Teacher | 1943 |
| O'Callaghan, Michael | Benger VI | Temporary Head Teacher | 1944 |
| O'Callaghan, Michael | Mingenew VI | Head Teacher | 1947 |
