People in the Colony of Western Australia 1863-1897
| Surname |
Given Names |
Occupation |
District |
Year |
Source |
| O'Niel | Peter | Shoemaker | Victoria District | 1884 | Herald Almanack |
| O'Niel | Peter. | Shoemaker | Geraldton | 1883 | Herald Almanack |
| O'Niell | Robert J. | Farmer | Greenough | 1897 | Witton's Directory |
| O'Reefe | D. | Overseer P. & O. Co.'s Coal Wharf | Albany | 1875 | Herald Almanack |
| O'Reefe | D. | Overseer P. & O. Co's. Coal Wharf | Albany | 1876 | Herald Almanack |
| O'Reilly | P. | Pensionerand Shoemaker | Wellington District (Bunbury Etc.) | 1879 | WA Almanack |
| O'Reilly | Philip | Pensioner & Shoemaker | Bunbury | 1877 | Herald Almanack |
| O'Reilly | Philip | Pensioner & Shoemaker | Bunbury | 1878 | Herald Almanack |
| O'Reilly | Philip | Shoemaker | Bunbury & Suburbs | 1879 | Herald Almanack |
| O'Reilly | Philip | Shoemaker | Bunbury & Suburbs | 1880 | Herald Almanack |
| O'Reilly | Philip | Shoemaker | Bunbury | 1882 | Herald Almanack |
| O'Reilly | Rev. | R.C. Chaplain | Fremantle | 1877 | Herald Almanack |
| O'Reilly | Rev. J. | Roman Catholic Chaplain | Howick Street, Perth | 1873 | Herald Almanack |
| O'Reilly | Rev. J. | R. C. Chaplain | Fremantle | 1876 | Herald Almanack |
| O'Reilly | Rev. J. | R.C. Chaplain | Fremantle | 1878 | Herald Almanack |
| O'Reilly | Rev. J. | R.C. Chaplain | Fremantle | 1879 | Herald Almanack |
| O'Reilly | Rev. J. | R.C. Chaplain | Fremantle | 1880 | Herald Almanack |
| O'Reilly | Rev. J. | R.C. Chaplain | Fremantle | 1881 | Herald Almanack |
| O'Reilly | Rev. J. | R.C. Chaplain | Fremantle | 1882 | Herald Almanack |
| O'Reilly | Rev. J. | R. C. Chaplain | Fremantle | 1885 | Herald Almanack |
| O'Reilly | Rev. J. | R C Chaplain | Fremantle | 1886 | WA Almanack |
| O'Reilly | Rev. J. R. C. | Chaplain | Fremantle | 1884 | Herald Almanack |
| O'Reilly | Rev. J.. | R.C. Chaplain | Fremantle | 1883 | Herald Almanack |
| O'Reilly | Reverend | R. C. Chaplain | Fremantle | 1874 | Herald Almanack |
| O'Reily | Phillip. | ShoeMaker | Bunbury | 1881 | Herald Almanack |
| O'Reily | Rev. J. | R. C. Chaplin | Fremantle | 1875 | Herald Almanack |
| O'Reily | Rev. J. | R. C. Chaplain | Fremantle | 1876 | WA Almanack |
| O'Reily | Rev. J. | Roman Catholic Chaplain | Fremantle | 1879 | WA Almanack |
| O'Reily | Rev. J. | R.C. Chaplain | Fremantle | 1887 | WA Almanack |
| O'Reily | Rev. J. R. C. | Chaplain | Fremantle | 1883 | WA Almanack |
| O'Rielly | Phillip | Shoemaker | Bunbury | 1883 | Herald Almanack |
| O'Rielly | Phillip | Shoemaker | Bunbury | 1884 | Herald Almanack |
| O'Rongki | D. | | Northam | 1897 | Witton's Directory |
| O'Rooke | - | Teamster | Jarrahdale Timber Co. | 1883 | Herald Almanack |
| O'Rooke | - | Teamster | Jarrahdale Timber Co. | 1884 | Herald Almanack |
| O'Sullivan | W. A. | Farmer | Irwin | 1879 | WA Almanack |
| O'Toole | T. | General Grocer | Sylvester Street, Coolgardie | 1897 | Witton's Directory |
| O'venden | H. | Boatman | Albany | 1880 | Herald Almanack |
| O'venden | H. | BoatMan | Albany | 1881 | Herald Almanack |
| O'Venden | H. | Boatman | Albany | 1883 | Herald Almanack |
| O'Venden | H. | Boatman | Albany | 1884 | Herald Almanack |
| Oakely | T. W. | Miller | Fremantle | 1883 | Herald Almanack |
| Oakes | H. | Clerk National Bank | Perth | 1868 | WA Almanack |
| Oakes | H. | Clerk National Bank | Perth | 1869 | WA Almanack |
| Oakes | H. | Clerk National Bank | Perth | 1870 | WA Almanack |
| Oakley | A. | Gardener | Perth | 1872 | WA Almanack |
| Oakley | A. | Gardener | Perth | 1878 | Herald Almanack |
| Oakley | A. | Gardener | Perth | 1879 | Herald Almanack |
| Oakley | A. | Gardener | Perth | 1880 | Herald Almanack |
| Oakley | A. | Gardener | Perth | 1881 | Herald Almanack |