| OBrien, Mary | Morowa Central VII | Head Teacher on Probation | 1921 |
| OBrien, Mary | Morowa Central VII | HT | 1922 |
| OBrien, Mary | Rockvale VII | Head Teacher on Supply | 1922 |
| OBrien, Mary | Nalyaring VII | Head Teacher | 1925 |
| OBrien, Mary | Rockvale VII | Head Teacher on Supply | 1925 |
| OBrien, Mary | Nalyaring VII | Head Teacher | 1926 |
| OBrien, Mary | Rockvale VII | Head Teacher on Supply | 1926 |
| OBrien, Mary | Qualin VII | Head Teacher | 1927 |
| OBrien, Mary | Rockvale VII | Head Teacher on Supply | 1927 |
| OBrien, Mary | Midland Junction IA | Assistant Teacher | 1928 |
| OBrien, Mary | Rockvale VII | Head Teacher on Supply | 1928 |
| OBrien, Mary | Kirup East V | Assistant Teacher on Supply | 1934 |
| OBrien, Mary | Lake Grace North VII | Head Teacher on Probation | 1934 |
| Obrien, Mary | Mt. Hardy Reg. 4 | Head Teacher | 1944 |
| OBrien, Mary E | Grass Valley VII | P and SM | 1916 |
| OBrien, Mary E | Grass Valley VII | P and SM | 1917 |
| OBrien, Mary E | Grass Valley VII | P and S.M | 1918 |
| OBrien, Mary E | Stratherne VII | Head Teacher on Supply | 1934 |
| OBrien, Mary E. | Grass Valley VII. | P. and S.M. | 1919 |
| OBrien, Mary L. | Mt. Sir Samuel Reg.4 | Head Teacher | 1915 |
| OBrien, May Lorna | Nollamara Primary School | Mistress (Teacher) | 1978 |
| OBrien, May Lorna | Aboriginal Education Branch | Mistress (Teacher) ( S./ DUTY | 1980 |
| OBrien, Megan Patricia | Baldivis Primary School | Mistress (Teacher) | 1978 |
| OBrien, Mollie | Bicton IV | Monitor | 1921 |
| OBrien, Mollie | Mylerup VII | HT on P | 1922 |
| OBrien, Mollie | Jingalup VII | Head Teacher | 1925 |
| OBrien, Mollie | Newcastle Street II | Assistant Teacher | 1926 |
| OBrien, Molly | Fremantle North Infants V | Monitor | 1918 |
| OBrien, Molly | Fremantle North Infants IV. | Monitor | 1919 |
| OBrien, Mrs. Mary | Grass Valley VI | P. on S.M. | 1921 |
| OBrien, Patricia Mary | North Lake Senior High School | Mistress (Teacher) | 1979 |
| OBrien, Patrick Thomas | South Newman Primary School | Master (Teacher) | 1978 |
| OBrien, Phyliss | Mt. Magnet VI. | Probationer | 1919 |
| OBrien, Phyllis | Mt. Magnet VI | P | 1918 |
| OBrien, Phyllis | Mt. Magnet V | Monitor | 1921 |
| OBrien, Phyllis | Lennonville VII | Head Teacher on Probation | 1922 |
| OBrien, Phyllis | Boddington VI | Head Teacher | 1925 |
| OBrien, Phyllis | Boddington VI | Head Teacher | 1926 |
| OBrien, Sara | Bayswater II | Assistant Teacher | 1926 |
| OBrien, Sara | Baywater II | Assistant Teacher | 1928 |
| OBrien, Sarah | Cannington V | Assistant Teacher | 1914 |
| OBrien, Sarah | Cannington V | Assistant Teacher | 1915 |
| OBrien, Sarah | Cannington V | Assistant Teacher | 1917 |
| OBrien, Sarah | Cannington V | Assistant Teacher | 1918 |
| OBrien, Sarah | Cannington V. | Assistant Teacher | 1919 |
| OBrien, Sarah | Cannington IV | Assistant Teacher | 1921 |
| OBrien, Sarah | Cannington IV | Assistant Teacher | 1922 |
| OBrien, Sarah | Bayswater II | Assistant Teacher | 1925 |
| OBrien, Sarah | Bayswater II | Assistant Teacher | 1927 |
| OBrien, Sheelah | Latham VII | Head Teacher on Supply | 1925 |
