| O'Keeffe, Edward | Gleneagle VII | Head Teacher | 1940 |
| O'Keeffe, Edward | Gleneagle VII | Head Teacher | 1941 |
| O'Keeffe, Edward | Metropolitan Swimming Classes | Assistant Teacher on Supply | 1950 |
| O'Keeffe, Hilda Mary | Swanbourne Senior High School | Principal Mistress | 1976 |
| O'Keeffe, Hilda May | Melville Senior High School | Principal Mistress | 1973 |
| O'Keeffe, Hilda May | Swanbourne Senior High School | Deputy Principal F | 1980 |
| O'Keeffe, Jack | Greenwoods VII | Temporary Head Teacher on Probation | 1941 |
| O'Keeffe, Stella | Darlington V | Assistant Teacher | 1936 |
| O'Leary, Frank | Leederville West IV | Head Teacher | 1901 |
| O'Leary, Frank | Guildford III | H.T.temp | 1915 |
| O'Leary, Frank J. | Perth South V | Head Teacher | 1900 |
| O'Leary, Frank J. | Leederville West IV | Head Teacher | 1902 |
| O'Leary, Frank J. | Leederville West III | Head Teacher | 1903 |
| O'Leary, Frank J. | Leederville West II | Head Teacher | 1904 |
| O'Leary, Frank J. | Leaderville West II | Head Teacher | 1905 |
| O'Leary, Frank J. | Guildford III | Head Teacher (on leave) | 1907 |
| O'Leary, Frank J. | Guildford III | Head Teacher | 1908 |
| O'Leary, Frank J. | Guildford IV | Head Teacher | 1909 |
| O'Leary, Frank J. | Guildford IV | Head Teacher | 1910 |
| O'Leary, Frank J. | Guildford IV | Head Teacher | 1911 |
| O'Leary, Frank J. | Guildford IV | Head Teacher | 1912 |
| O'Leary, Iris Joy | Hamilton Senior High School | Mistress (Teacher) | 1976 |
| O'Leary, Jill | Gosnells Primary School | Mistress (Teacher) on Supply | 1965 |
| O'Leary, Jill | Koongamia Primary School | Mistress (Teacher) on Supply | 1966 |
| O'Leary, Maria | Quairading Primary - Junior High School | Mistress (Teacher) | 1959 |
| O'Leary, Maria | Kensington Primary School I | Mistress (Teacher) | 1962 |
| O'Leary, Maria | Kensington Primary School | Mistress (Teacher) | 1965 |
| O'Leary, Maria | Kensington Senior High School | Mistress (Teacher) | 1966 |
| O'Leary, Marie Therese | Willetton Primary School II | Mistress (Teacher) | 1973 |
| O'Leary, Marie Therese | Mount Pleasant Primary School IA | Mistress (Teacher) | 1976 |
| O'Leary, Marie Therese | Mount Pleasant Primary School | Mistress (Teacher) | 1977 |
| O'Leary, Marie Therese | Bull Creek Primary School | Mistress (Teacher) | 1978 |
| O'Leary, Mary Therese | Kulin Junior High School | Mistress (Teacher) | 1972 |
| O'leary, Mary Therese | Kulin Junior High School | Mistress (Teacher) | 1973 |
| O'Leary, Michael | Cannington East Primary School I | Master (Teacher) | 1962 |
| O'Leary, Michael | Cannington East Primary School | Master (Teacher) | 1965 |
| O'Leary, Michael | Cannington High School | Master (Teacher) | 1966 |
| O'Loughlin, Edward | Glen The Pending | Head Teacher | 1908 |
| O'Loughlin, Jennifer Susan | Esperance Primary School | Mistress (Teacher) | 1977 |
| O'Loughlin, Jennifer Susan | Glendale Primary School | Mistress (Teacher) | 1978 |
| O'Loughlin, Jennifer Susan | Glendale Primary School | Mistress (Teacher) | 1979 |
| O'Loughlin, Jennifer Susan | Glendale Primary School | Mistress (Teacher) | 1980 |
| O'Loughlin, Kathleen | Hilton Park infants' Primary School | Mistress (Teacher) on Probation | 1965 |
| O'Loughlin, Kathleen | Hilton Park Junior Primary School | Mistress (Teacher) | 1966 |
| O'Loughlin, Mary | Brookton | Sewing Mistress | 1907 |
| O'Loughlin, Mary. | Brookton | Sewing Mistress | 1908 |
| O'Loughlin, Noreen | Cyril Jackson Senior High School | Mistress (Teacher) on Probation | 1965 |
| O'Loughlin, Noreen | Cyril Jackson High School | Mistress (Teacher) on Probation | 1966 |
| O'Loughlin, Thomas | Brookton V | Head Teacher | 1924 |
| O'Loughlin, Thomas | Kelmscott V. | Head Teacher | 1929 |
