| O' Brien`, M. Teresita | St. John of God Hospital, Subiaco | 25 November 1937 | St. John of God Hospital, Subiaco 1933-1937 | General | 1949 |
| O'Brian, Mary | Southern Cross | 15 May 1934 | King Edward Memorial Hospital and State Exam. | Midwifery Nurses Re-Registered 1939, Trained and Certified | 1939 |
| O'Brien, Ellen Mary | Repatriation General Hospital, Hollywood | 6 August 1947 | St. Vincent's Hospital, Toowoomba and Queensland Registration | General | 1949 |
| O'Brien, K. A. | - | 5 June 1930 | Children's Hospital | Register of General Nurses registered with the Nurses' Registraion Boad for the period ending 31st December 1930 | 1931 |
| O'Brien, Kathleen | St. John of God Hospital, Subiaco | 30 June 1947 | St. John of God Hospital, Subiaco 1944-1947 | General | 1949 |
| O'Brien, M. C. | - | 6 March 1934 | N.S.W. Reg. Bd. | Midwidery Nurses not Re-Registered for 1935, (Uncertificated) | 1935 |
| O'Brien , Margaret | 25 Richardson Street, West Perth | 9 March 1934 | Queen's Home, South Australia | Midwifery Nurses Re-Registered 1934, Trained and Certificated | 1934 |
| O'Brien, Margaret | 25 Richardson Street, West Perth | 9 March 1934 | Queens Home, South Australia | Midwifery Nurses Re-Registered 1935, Trained and Certificated | 1935 |
| O'Brien, Margaret | Norseman | 9 March 1934 | Queen's Home, South Australia, and South Australian Reg. | Midwifery Nurses Not Re-Registered For 1937, Trained and Certified | 1937 |
| O'Brien, Marie C. | York Flats, York Road, Subiaco | 20 June 1939 | Children's Hospital, Subiaco | Children's Nurses Re-Registered for 1940 | 1940 |
| O'Brien, Marie Catherine | 24 Suburban Road, South Perth | 18 February 1941 | Children's and Royal Perth Hospitals 1936-1939 | General | 1949 |
| O'Brien, Marie Catherine | 24 Mill Point Road, South Perth | 20 June 1939 | Children's Hospital, Perth 1936-1939 | Children's | 1949 |
| O'Brien, Mary | Southern Cross | 15 May 1934 | K.E.M. Hospital and State Exam. | Midwifery Nurses Re-Registered 1940, Trained and Certified | 1940 |
| O'Brien, Mary M. | Tresillian Hospital, Nedlands | 15 May 1934 | King Edward Memorial Hospital and State Exam. | Midwifery Nurses Re-Registered 1935, Trained and Certificated | 1935 |
| O'Brien, Mary M. | Mullewa | 15 May 1934 | King Edward Memorial Hospital and State Exam. | Midwifery Nurses Re-Registered 1937, Trained and Certificated | 1937 |
| O'Brien, Mary M. | Northampton | 15 May 1934 | KIng Edward Memorial Hospital and State Exam. | Midwifery Nurses Re-Registered 1938, Trained and Certified | 1938 |
| O'Brien, Mary M. | 34 Egham Road, Victoria Park | 15 May 1934 | King Edward Memorial Hospital, Subiaco | General | 1949 |
| O'Brien, Mary Mildred | Kelmscott | 8 December 1911 | Rotunda Hospital, Dublin | Midwifery Nurses Re-Registered 1919, Trained and Certificated | 1919 |
| O'Brien, Maureen Patricia | 7 Galway Street, Leederville | 14 April 1948 | Irwin Hospital, New Delhi and Punjab Nurses' Registration Council | General | 1949 |
| O'Brien, Sr. Josepha | St. John of God Hospital | 18 April 1922 | Mater Misericordiae Hospital, Dublin | Nurses Registered for 1939 | 1939 |
| O'Brien, Sr. Josepha | St. John of God Hospital | 18 April 1922 | Mater Misericordiae Hospital, Dublin | Nurses Re-Registered for 1940 | 1940 |
| O'Brien, Sr. M. Teresita | St. John of God Hospital | 25 November 1937 | St. John of God Hospital | Nurses Registered for 1939 | 1939 |
| O'Brien, Sr. M. Teresita | St. John of God Hospital | 25 November 1937 | St. John of God Hospital | Nurses Re-Registered for 1940 | 1940 |
| O'Brien, Sr. Mary | St. John of God Hospital | 18 April 1922 | St. John of God Hospital | Nurses Registered for 1939 | 1939 |
| O'Brien, Sr. Mary | St. John of God Hospital | 18 April 1922 | St. John of God Hospital | Nurses Not Re-Registered for 1940 | 1940 |
| O'Callaghan, Mary | "Valesco" Private Hospital, Harvest Terrace, Perth | 5 January 1912 | Women's Hospital, Melbourne | Midwifery Nurses Re-Registered 1919, Trained and Certificated | 1919 |
| O'Connell, Charlotte Catherine | Pinjarra Hospital | 25 May 1938 | Perth Hospital | Nurses Registered for 1939 | 1939 |
| O'Connell, Charlotte Catherine | Pinjarra Hospital | 25 May 1938 | Perth Hospital | Nurses Re-Registered for 1940 | 1940 |
| O'Connell, Mary Catherine | 17 Taylor Road, Claremont | 9 February 1945 | Lunacy Act, 1920 Nurses Registration Act 1921-1946 | Mental | 1949 |
| O'Connell, Theresa Catherine | Unknown | 24 April 1914 | Fremantle Midwifery Training School | Midwifery Nurses Not Re-Registered 1919, Trained and Certificated | 1919 |
| O'Connell, Theresa Catherine | Maylands | 18 May 1921 | Fremantle Midwifery Training School | Midwifery Nurses Re-Registered 1925, Trained and Certificated | 1925 |
| O'Connell, Theresa Catherine | Victoria | 18 May 1921 | Fremantle Midwifery Training School | Midwifery Nurses Re-Registered 1926, Trained and Certificated | 1926 |
| O'Connor, Eileen M. | 8 St. Albans Avenue, Perth | 7 July 1938 | Maryborough Hospital, Victoria; Vic. Reg | Nurses Registered for 1939 | 1939 |
| O'Connor, Eileen M. | 8 St. Alban's Avenue, Perth | 7 July 1938 | Maryborough Hospital, Victoria | Nurses Not Re-Registered for 1940 | 1940 |
| O'Connor, Eliza | Dongara | 8 December 1911 | In Practice, June 1909 | Midwifery Nurses Re-Registered 1919, Uncertificated | 1919 |
| O'Connor, Margaret | Yarloop | 26 January 1912 | In Practice, June 1909 | Midwifery Nurses Re-Registered 1919, Uncertificated | 1919 |
| O'Connor, Margaret | Yarloop | 26 January 1912 | In Practice, June 1909 | Midwifery Nurses Re-Registered 1925, Uncertificated | 1925 |
| O'Connor, Margaret | Yarloop | 26 January 1912 | In Practice, June 1909 | Midwifery Nurses Re-Registered 1926, Uncertificated | 1926 |
| O'Connor, Margaret | Yarloop | 26 January 1912 | In Practice, June 1909 | Midwifery Nurses Re-Registered 1928, Uncertificated | 1928 |
| O'Connor, Margaret | Yarloop | 26 January 1912 | In Practice, June 1909 | Midwifery Nurses Re-Registered 1930, Uncertificated | 1930 |
| O'Connor, Margaret | Gloucester Street, Victoria Park | 26 January 1912 | In Practice, June 1909 | Midwifery Nurses Re-Registered 1931, Uncertificated | 1931 |
| O'Connor, Margaret | Yarloop | 26 January 1912 | In Practice, June 1909 | Midwifery Nurses Registered 1932, Uncertificated | 1932 |
| O'Connor, Margaret | Yarloop | 26 January 1912 | In Practice, June 1909 | Midwifery Nurses Re-Registered 1933, Trained and Certificated | 1933 |
| O'Connor, Margaret | Yarloop | 26 January 1912 | In Practice, June 1909 | Midwifery Nurses Re-Registered 1934, Uncertificated | 1934 |
| O'Connor, Margaret | Yarloop | 26 January 1912 | In Practice, June 1909 | Midwifery Nurses Re-Registered 1935, Uncertified | 1935 |
| O'Connor, Margaret | Yarloop | 26 January 1912 | In Practice, June 1909 | Midwifery Nurses Re-Registered 1937, Uncertificated | 1937 |
| O'Connor, Margaret | Yarloop | 26 January 1912 | In Practice, June 1909 | Midwifery Nurses Re-Registered 1938, Uncertificated. | 1938 |
| O'Connor, Margaret | 51 Reserve Street, Claremont | 26 January 1912 | In Practice, June 1909 | Midwifery Nurses, Re-Registered 1939, Uncerificated | 1939 |
| O'Connor, Margaret | 51 Reserve Street, Claremont | 26 January 1912 | In Practice, June 1909 | Midwifery Nurses Re-Registered 1940, Uncertificated | 1940 |
| O'Corman, Sr. Mary Callister | Convent of St. John of God | 22 May 1934 | St. John of God Hospital | Nurses Registered for 1939 | 1939 |
| O'Corman, Sr. Mary Callister | Convent of St. John of God | 22 May 1934 | St. John of God Hospital | Nurses Not Re-Registered for 1940 | 1940 |
| O'Dea, Margaret Ellen | Durlacker Street, Geraldton | 8 December 1911 | In Practice, June 1909 | Midwifery Nurses Re-Registered 1919, Uncertificated | 1919 |
| O'Dea, Maude Marie | Bowgada | 23 March 1944 | Perth Hospital 1941-1944 | General | 1949 |
| O'Dea, Maude Marie | Bowgada | 29 Jnauary 1946 | King Edward Memorial Hospital, Subiaco | General | 1949 |
| O'Dea, Maude Marie (nee Edwards) | Bowgada | 20 March 1946 | King Edward Memorial Hospital, Subiaco | Infant Health | 1949 |
| O'Donnell, M. A. | - | 24 May 1932 | Perth Hospital | Register of General Nurses registered with the Nurses' Registration Board for the period ending 31st December 1933 | 1933 |
| O'Donnell, Mary A. | 85 Christmas Street, Northcotte | 24 May 1932 | Perth Hospital 1929-1932 | General | 1949 |
| O'Donnell, Mary Josephine | 130 Piesse Street, Boulder | 16 April 1946 | W.A. Government Hospitals 1942-1946 | General | 1949 |
| O'Donnell, Mary Josephine | 130 Piesse Street, Boulder | 14 January 1948 | St. Vincent's Maternity Hospital, Melbourne and Victorian Registration | General | 1949 |
| O'Donnell, May | Linden Angwin Street, East Fremantle | 21 February 1930 | Fremantle Public Hospital | Nurses Registered for 1939 | 1939 |
| O'Donnell, May | Lemnos Hospital, Shenton Park | 21 February 1939 | Fremantle Public Hospital | Nurses Re-Registered for 1940 | 1940 |
| O'Donnell, May | 20 Angwin Street, East Fremantle | 21 February 1939 | Fremantle Hospital 1936-1939 | General | 1949 |
| O'Donnell, May | 20 Augwin Street, East Fremantle | 16 May 1945 | Tresillian Mothercraft Training School, Sydney | Infant Health | 1949 |
| O'Donnell, May | 20 Angwin Street, East Fremantle | 22 January 1945 | Lunacy Act, 1920 Nurses Registration Act 1921-1946 | Mental | 1949 |
| O'Donnell, May | 20 Angwin Street, East Fremantle | 6 March 1945 | Royal Hospital for Women, Paddington, Sydney and New South Wales Registration | General | 1949 |
| O'Donnell, Nora | 132 Wittenoom Street, Collie | 25 May 1938 | Government Hospitals and State Exam. | Nurses Registered for 1939 | 1939 |
| O'Donnell, Nora | 132 Wittenoom Street, Collie | 25 May 1938 | Government Hospitals and State Exam. | Nurses Re-Registered for 1940 | 1940 |
| O'Donohue, Ivy | Darlington | 21 September 1921 | Women's Hospital, Sydney | Midwifery Nurses not Re-Registered for 1933, Trained and Certificated | 1933 |
| O'Donohue, Ivy | Darlington | 21 September 1921 | Women's Hospital, Sydney | Midwifery Nurses Not Re-Registered for 1939, Trained and Certificated | 1939 |
| O'Donohue, Ivy C. | Darlington | 21 September 1921 | Women's Hospital, Sydney | Midwifery Nurses Re-Registered 1930, Trained and Certificated | 1930 |
| O'Donohue, Ivy C. | Darlington | 21 September 1921 | Women's Hospital, Sydney | Midwifery Nurses Re-Registered 1931, Trained and Certificated | 1931 |
| O'Donohue, Ivy C. | Darlington | 21 September 1921 | Women's Hospital, Sydney | Midwifery Nurses Re-Registered 1931, Trained and Certificated | 1932 |
| O'Donohue, Ivy C. | Darlington | 21 Sept 1921 | Women's Hospital, Sydney | Midwifery Nurses Re-Registered 1934, Trained and Certificated | 1934 |
| O'Donohue, Ivy C. | Darlington | 21 September 1921 | Women's Hospital, Sydney | Midwifery Nurses Re-Registered 1935, Trained and Certificated | 1935 |
| O'Donohue, Ivy C. | Darlington | 21 September 1921 | Women's Hospital, Sydney | Midwifery Nurses Re-Registered 1938, Trained and Certified | 1938 |
