| O'Brien, Mary | KulinEast VII | Head Teacher on Supply | 1938 |
| O'Brien, Mary | Cunjardine VII | Head Teacher on Supply | 1939 |
| O'Brien, Mary | Cunjardine VII | Head Teacher on Supply | 1940 |
| O'Brien, Mary | Koogan VII | Head Teacher | 1941 |
| O'Brien, Mary | Mt. Hardy VII | Head Teacher on Supply | 1941 |
| O'Brien, Mary | Mt. Hardy Reg 4 | Head Teacher | 1945 |
| O'Brien, Mary | Wicherina VII | Head Teacher on Supply | 1946 |
| O'Brien, Mary A. | Lake Guelup V | Assistant Teacher on Probation | 1935 |
| O'Brien, Mary A. | Lake Guelup V | Assistant Teacher | 1937 |
| O'Brien, Mary a. | Lake Guelup V | Assistant Teacher | 1938 |
| O'Brien, Mary A. | Midland Junction Perth Boys IA | Assistant Teacher | 1939 |
| O'Brien, Mary A. | Midland Junction Perth Boys IA | A. (p.p.) | 1940 |
| O'Brien, Mary A. | Midland Junction IA | A. (P.P.) | 1941 |
| O'Brien, Mary A. | Midland Junction IA | A. (P.P.) | 1942 |
| O'Brien, Mary E. | Stratherne VII. | Head Teacher on Supply | 1933 |
| O'Brien, Mary E. | Stratherne VII | Head Teacher on Supply | 1935 |
| O'Brien, Mary E. F. C. | Mount Magnet VI | Monitor on Supply and Sewing Mistress | 1905 |
| O'Brien, Mary Jan | West Kambalda Primary School | Mistress (Teacher) | 1978 |
| O'Brien, Mary Jan | West Kambalda Primary School | Mistress (Teacher) | 1979 |
| O'Brien, Mary Jan | Weat Kambalda Primary School | Mistress (Teacher) | 1980 |
| O'Brien, Mary K. | Corondeen VII | Head Teacher | 1938 |
| O'Brien, Mary K. | Corondeen VII | Head Teacher | 1939 |
| O'Brien, Mary K. | Corondeen VII | Head Teacher | 1940 |
| O'Brien, Mary V. | Mia Moon | Head Teacher on Supply | 1945 |
| O'Brien, Maureen | Kalgoorlie South Primary School I | Mistress (Teacher) on Probation | 1962 |
| O'Brien, Maureen | South Kalgoorlie Primary School I | Mistress (Teacher) on Probation | 1963 |
| O'Brien, Maureen | Onslow Primary School III | Mistress (Teacher) | 1964 |
| O'Brien, May Lorna | Nollamara Primary School | Mistress (Teacher) | 1972 |
| O'Brien, May Lorna | Nollamara Primary School | | 1973 |
| O'Brien, May Lorna | Nollamara Primary School IA | Mistress (Teacher) | 1975 |
| O'Brien, May Lorna | Nollamara Primary School IA | Mistress (Teacher) | 1976 |
| O'Brien, May Lorna | Nollamara Primary School | Mistress (Teacher) | 1977 |
| O'Brien, May Lorna | Aboriginal Education Branch | Mistress (Teacher) S/Duty | 1979 |
| O'Brien, Megan Patricia | Baldivis Primary School | Mistress (Teacher) | 1977 |
| O'Brien, Megan Patricia | Baldivis Primary School | Mistress (Teacher) | 1979 |
| O'Brien, Megan Patricia | Richmond Primary School | Mistress (Teacher) | 1980 |
| O'Brien, Mollie | Jingalup VII | Head Teacher on Probation | 1923 |
| O'Brien, Mollie | Jingalup VII | Head Teacher | 1924 |
| O'Brien, Molly | Bicton V | Monitor | 1920 |
| O'Brien, Olive | Laverton VII | Sewing Mistress | 1947 |
| O'Brien, Olive | Group 39 VII | Sewing Mistress | 1948 |
| O'Brien, Olive | Burekup High School | Sewing Mistress | 1950 |
| O'Brien, Olive | Shannon Primary School V | Assistant Teacher on Supply | 1953 |
| O'Brien, Oliver | Burekup High School | Sewing Mistress | 1951 |
| O'Brien, Patricia Mary | North Lake Senior High School | Mistress (Teacher) | 1980 |
| O'Brien, Patrick Thomas | South Merredin Primary School | Master (Teacher) | 1979 |
| O'Brien, Peter | Mirrabooka Senior High School | Temporary Master (Teacher) | 1969 |
| O'Brien, Peter | Eastern Goldfields Senior High School | MA./T. Man. ART. | 1970 |
| O'Brien, Phillipa | Perth Technical College - Department of Art | Lecturer /T. | 1970 |
| O'Brien, Phillippa Ethel | Perth Technical College Art | A Lecturer C T | 1971 |
