| ONeil | J. | Farmer | Gingin, Bindoon, Etc. | 1884 | WA Almanack |
| ONeil | J. | Builder and Contractor | Newcastle | 1886 | WA Almanack |
| ONeil | J. | Farmer | Swan | 1889 | WA Almanack |
| ONeil | James | Pearler | North-West Coast | 1880 | WA Almanack |
| ONeil | Jas. | Shipwright | Cossack | 1883 | Herald Almanack |
| ONeil | John | Farmer | Gingin | 1875 | WA Almanack |
| Oneil | John | Farmer | Swan | 1877 | Herald Almanack |
| ONeil | John | Farmer | Swan | 1877 | WA Almanack |
| ONeil | M. | Farmer | Northam | 1870 | WA Almanack |
| ONeil | M. | Pensioner | Northam | 1880 | WA Almanack |
| ONeil | M. | Farmer | Northam | 1881 | WA Almanack |
| ONeil | M. | Farmer | Northam | 1886 | WA Almanack |
| ONeil | M. | Farmer | Northam | 1889 | WA Almanack |
| ONeil | Miss M. H. | Postmistress | Irwin & Dongara | 1883 | Herald Almanack |
| ONeil | Miss. | Post and Telegraph Mistress | Victoria District (Dongara) | 1886 | WA Almanack |
| ONeil | P. | Carpenter | North-West Coast (Roeburne & Cossack) | 1879 | WA Almanack |
| ONeil | Peter | Shoemaker | Victoria District (Geraldton) | 1884 | WA Almanack |
| ONeil | Peter | Shoemaker | Victoria District (Geraldton) | 1886 | WA Almanack |
| ONeil | Peter | Bootmaker | Geraldton | 1889 | WA Almanack |
| ONeil | Peter. | Shoemaker | Victoria District (Geraldton) | 1881 | WA Almanack |
| ONeil | T. | - | Toodyay (Culham) | 1874 | WA Almanack |
| ONeil | T. | Farmer | Toodyay | 1875 | WA Almanack |
| ONeil | T. | Farmer | Toodyay | 1877 | WA Almanack |
| ONeil | T. | Farmer | Newcastle & Toodyay District | 1880 | WA Almanack |
| ONeil | T. | Farmer | Gingin, Bindoon &c. | 1881 | WA Almanack |
| ONeil | T. | Farmer | Newcastle & Toodyay District | 1881 | WA Almanack |
| ONeil | T. | Farmer | Gingin, Bindoon | 1882 | WA Almanack |
| ONeil | T. | Farmer and Sheepowner | Toodyay | 1886 | WA Almanack |
| ONeil | T. & J. | Farmers | Toodyay | 1874 | WA Almanack |
| ONeil | T. & J. | Farmers | Toodyay | 1877 | WA Almanack |
| ONeil | T. & J. | Farmer and Sheepowner | Toodyay | 1886 | WA Almanack |
| ONeil | T. jun. and J. | Farmers | Toodyay | 1875 | WA Almanack |
| ONeil | Thos. | Foreman | Eucla Telegraph Line (Esperance Bay) | 1884 | WA Almanack |
| ONeill | J. | Builder and Contrctr. | Newcastle & Toodyay District | 1884 | WA Almanack |
| ONeill | J. | Builder and Contractor | Newcastle | 1889 | WA Almanack |
| ONeill | M. | Farmer | Northam | 1875 | WA Almanack |
| ONeill | M. | Farmer | Northam | 1884 | WA Almanack |
| ONeill | Miss. | Post and Telegraph Mistress | Victoria District (Dongara) | 1884 | WA Almanack |
| ONeill | T. | Farmer | Toodyay | 1869 | WA Almanack |
| ONeill | T. | Farmer | Toodyay | 1870 | WA Almanack |
| ONeill | T. | Farmer | Toodyay | 1872 | WA Almanack |
| ONeill | T. | Farmer & Grazier | Toodyay | 1873 | WA Almanack |
| ONeill | T. | Farmer | Newcastle & Toodyay District | 1884 | WA Almanack |
| ONeill | T. | Farmer | Newcastle | 1889 | WA Almanack |
| ONeill | W. | Police Constable | York | 1889 | WA Almanack |
| ONiel | - | Police Constable | Murray | 1880 | WA Almanack |
| ONiel | M. | Farmer | Northam | 1874 | WA Almanack |
| Onions | E. | Moulder | Jarrahdale | 1887 | WA Almanack |
| Onions | T. | Grocer | Barrack Street, Perth | 1897 | Witton's Directory |
| Onions | Thomas | | Ellen Street, Perth | 1897 | Witton's Directory |
