| Cooper | W. J. | Secretary Co-Operative Society | Albany | 1880 | Herald Almanack |
| Cooper | W. J. | Sec.Co-operative Society | Albany | 1880 | WA Almanack |
| Cooper | W. J. | Secretary Cooperative Society | Albany | 1881 | Herald Almanack |
| Cooper | W. J. | Store Manager | Albany | 1881 | WA Almanack |
| Cooper | W. J. | Secretary Co-operative Society | Albany | 1882 | Herald Almanack |
| Cooper | W. J. | Store Manager | Albany | 1882 | WA Almanack |
| Cooper | W. J. | Secretary Co-Operative Society | Albany | 1883 | Herald Almanack |
| Cooper | W. J. | Sec. Cooperative Society | Albany | 1884 | Herald Almanack |
| Cooper | W. J. | Storekeeper | Albany | 1884 | WA Almanack |
| Cooper | W. J. | Accountant | Albany | 1885 | Herald Almanack |
| Cooper | W. J. | Publican | Albany | 1885 | Herald Almanack |
| Cooper | W. J. | Accountant | Albany | 1887 | WA Almanack |
| Cooper | W. J. | Accountant | Albany | 1888 | WA Almanack |
| Cooper | W. J. | Accountant | Albany | 1889 | WA Almanack |
| Cooper | W. J. | Farmer | Mount Barker | 1897 | Witton's Directory |
| Cooper | W. J. jnr. | Store Assistant | Albany | 1889 | WA Almanack |
| Cooper | W. J. Jr. | Store Assistant | Albany | 1887 | WA Almanack |
| Cooper | W. J. Jr. | Store Assistant | Albany | 1888 | WA Almanack |
| Cooper | W. jun. | Farmer | Albany | 1881 | WA Almanack |
| Cooper | W. jun. | Farmer | Albany | 1882 | WA Almanack |
| Cooper | W. jun. | Farmer | Albany | 1884 | WA Almanack |
| Cooper | W.C. | Farmer & Sheepowner | Kojonup | 1873 | Herald Almanack |
| Cooper | W.J . | Secretary Co-Operative Society | Albany | 1879 | Herald Almanack |
| Cooper | W.J. | Accountant | | 1876 | WA Almanack |
| Cooper | Wm. | Farmer | Canning | 1897 | Witton's Directory |
| Cooper | Wm. John | Draper | Kanowna | 1897 | Witton's Directory |
| Cooper & C. | John | General Dealer | Newcastle | 1879 | Herald Almanack |
| Cooper & Woodhouse | | Mining & Consulting Engineers, Office of Cooper's Australasian Exploring Co, Ltd, Crown United G. M. Co, Ltd, Lady Louisa G. M. Co, Ltd | Coolgardie Chambers, Bayley Street, Coolgardie | 1897 | Witton's Directory |
| Cope | Charles | Farmer | Victoria District (Greenough) | 1884 | WA Almanack |
| Cope | Charles | Farmer | Greenough | 1885 | Herald Almanack |
| Cope | Charles | Farmer | Victoria District (Greenough) | 1886 | WA Almanack |
| Cope | Charles | Farmer | Greenough | 1887 | WA Almanack |
| Cope | Charles | Teamster | Greenough | 1888 | WA Almanack |
| Cope | Charles | Teamster | Greenough | 1889 | WA Almanack |
| Cope | Chas. | Warehouseman | Victoria District (Geraldton) | 1879 | WA Almanack |
| Cope | W. J. | Accountant | Geraldton | 1888 | WA Almanack |
| Cope | W. J. | Accountant | Geraldton | 1889 | WA Almanack |
| Copin | - | P. C. Mounted | Roebourne | 1880 | Herald Almanack |
| Coplestone | H. W. | | Leeder Street, Perth | 1897 | Witton's Directory |
| Copley | Benjamin | Butcher | 87 Howick Street, Perth | 1897 | Witton's Directory |
| Copley | Benjamin | | 89 Howick Street, Perth | 1897 | Witton's Directory |
| Copley | S. W. | Financial Agent | Bechtel's Buildings, 44Havelock Street, Perth | 1897 | Witton's Directory |
| Copley & Devine | | Wheelwrights & Blacksmiths | Sylvester Street, Coolgardie | 1897 | Witton's Directory |
| Coporn | E. | Boatman | Perth | 1874 | WA Almanack |
| Coppin | - | P.C. Mounted | Roebourne | 1879 | Herald Almanack |
| Coppin | - | P.C. Mounted | North-West Coast (Roebourne) | 1880 | WA Almanack |
| Coppin | - | P.C. Mounted | Roebourne | 1881 | Herald Almanack |
| Coppin | - | Police Consatble (Mounted) | North-West Coast (Roebourne) | 1881 | WA Almanack |
| Coppin | - | P. C. Mounted | Roebourne | 1882 | Herald Almanack |
| Coppin | - | P.C. Mounted | Roebourne | 1883 | Herald Almanack |