| O'Neil | T. | Farmer/Sheepowner | Toodyay | 1884 | Herald Almanack |
| O'Neil | T. | Farmer | Newcastle | 1887 | WA Almanack |
| O'Neil | T. & J. | Farmers | Toodyay | 1876 | WA Almanack |
| O'Neil | T. & J. | Farmer | Toodyay | 1878 | Herald Almanack |
| O'Neil | T. & J. | Farmer & Sheepowner | Toodyay | 1880 | Herald Almanack |
| O'Neil | T. & J. | Farmer & Sheepowner | Toodyay | 1882 | Herald Almanack |
| O'Neil | T. & J. | Farmer/Sheepowner | Toodyay | 1884 | Herald Almanack |
| O'Neil | T. (Jun. & J.) | Farmers | Toodyay | 1877 | Herald Almanack |
| O'Neil | T. Jun & J. | Farmers | Toodyay | 1875 | Herald Almanack |
| O'Neil | T. Jun. & J. | Farmer | Toodyay | 1876 | Herald Almanack |
| O'Neil | T. Jun. & John | Farmer | Toodyay | 1873 | Herald Almanack |
| O'Neil | Thos. | Foreman | Eucla Telegraph Line (Esperance Bay) | 1882 | WA Almanack |
| O'Neil | Thos. | | Bridgetown | 1897 | Witton's Directory |
| O'Neil | W.M. | Farmer | Australind | 1881 | Herald Almanack |
| O'Neil | Wm. | Farmer | Australind & Coastroad | 1879 | Herald Almanack |
| O'Neil | Wm. | Farmer | Australind & Coastroad | 1880 | Herald Almanack |
| O'Neil | Wm. | Farmer | Australind | 1882 | Herald Almanack |
| O'Neil | Wm. | Farmer | Australind & Coast Road | 1883 | Herald Almanack |
| O'Neil | Wm. | Farmer | Australind & Coast Road | 1884 | Herald Almanack |
| O'Neill | A. | Farmer & Sheepowner | Toodyay | 1879 | Herald Almanack |
| O'Neill | A. | Farmer | Toodyay District (Newcastle) | 1879 | WA Almanack |
| O'Neill | J. | Carpenter | Toodyay District (Newcastle) | 1879 | WA Almanack |
| O'Neill | J. | Pearler | North-West Coast (Cossack) | 1882 | WA Almanack |
| O'Neill | J. | Builder and Contractor | Newcastle | 1888 | WA Almanack |
| O'Neill | John | builder & contractor | Newcastle | 1879 | Herald Almanack |
| O'Neill | M | Pensioner | Northam | 1879 | WA Almanack |
| O'Neill | M. | Farmer | Northam | 1873 | Herald Almanack |
| O'Neill | M. | Farmer | Northam | 1874 | Herald Almanack |
| O'Neill | M. | Farmer | Northam | 1875 | Herald Almanack |
| O'Neill | M. | Farmer | Northam | 1876 | Herald Almanack |
| O'Neill | M. | Farmer | Northam | 1876 | WA Almanack |
| O'Neill | M. | Pensioner | Northam | 1877 | Herald Almanack |
| O'Neill | M. | Pensioner | Northam | 1877 | WA Almanack |
| O'Neill | M. | Pensioner | Northam | 1878 | Herald Almanack |
| O'Neill | M. | Farmer | Northam | 1879 | Herald Almanack |
| O'Neill | Mrs | Boarding-House Keeper | Geraldton | 1897 | Witton's Directory |
| O'Neill | Owen | General Merchant | Bayley Street, Coolgardie | 1897 | Witton's Directory |
| O'Neill | P. | Storekeeper | Mantana Hill (suburb), Coolgardie | 1897 | Witton's Directory |
| O'Neill | P. | | Roebourne | 1897 | Witton's Directory |
| O'Neill | Peter | Shoemaker | Geraldton | 1879 | Herald Almanack |
| O'Neill | T. | Overseer Culham | Toodyay | 1873 | Herald Almanack |
| O'Neill | T. | Farmer | Toodyay | 1874 | Herald Almanack |
| O'Neill | T. | Farmer & Sheepowner | Toodyay | 1879 | Herald Almanack |
| O'Neill | T. | Farmer | Newcastle | 1888 | WA Almanack |
| O'Neill | Thomas | | Mount Barker | 1897 | Witton's Directory |
| O'Neill | Thos. Jun. & J. | Farmers | Toodyay | 1874 | Herald Almanack |
| O'Neill | W. | Police Constable | York | 1887 | WA Almanack |
| O'Neill | W. | Police Constable | York | 1888 | WA Almanack |
| O'Neill | Wm. | Farmer | Dardanup | 1897 | Witton's Directory |
| O'Neill & J. | T. | Farmer & Sheepowner | Toodyay | 1879 | Herald Almanack |
