| Connybere | J. | Blacksmith | Bunbury & Australind | 1872 | WA Almanack |
| Conok | H. | Farmer & Grazier | Victoria District - Geraldton | 1878 | Herald Almanack |
| Conolly | J. | Tailor | Victoria District (Geraldton) | 1877 | WA Almanack |
| Conolly | Mrs. | Victualler | Guildford | 1873 | Herald Almanack |
| Conradt | - | Tanner &c. | Perth | 1889 | WA Almanack |
| Conradt | G. | Furrier | Perth | 1880 | WA Almanack |
| Conradt | G. | Furrier | Perth | 1881 | WA Almanack |
| Conradt | G. | Furrier | Perth | 1882 | Herald Almanack |
| Conradt | G. | Furrier | Perth | 1882 | WA Almanack |
| Conradt | G. | Furrier | Perth | 1883 | Herald Almanack |
| Conradt | G. | Furrier | Perth | 1884 | Herald Almanack |
| Conradt | G. | Furrier | Perth | 1884 | WA Almanack |
| Conradt | G. | Furrier | Perth | 1886 | WA Almanack |
| Conradt | G. | Furrier | Perth | 1887 | WA Almanack |
| Conradt | G. | Furrier | Perth | 1888 | WA Almanack |
| Conradt | Mrs. | Laundress | Perth | 1886 | WA Almanack |
| Conradt | Mrs. | Laundress | Perth | 1887 | WA Almanack |
| Conradt | Mrs. | Laundress | Perth | 1888 | WA Almanack |
| Conradt | Mrs. | Laundress | Perth | 1889 | WA Almanack |
| Conroy | M. | Miner | Nannine | 1897 | Witton's Directory |
| Conroy | W. | Licensed Victualler | Perth | 1884 | Herald Almanack |
| Conroy | W. | Carpenter | Perth | 1884 | WA Almanack |
| Conroy | W. | Licensed Victualler | Perth | 1884 | WA Almanack |
| Conroy | W. | Victoria Hotel | Corner of James street & Melbourne Rd., Perth | 1885 | Herald Almanack |
| Conroy | W. | Victoria Hotel | Perth | 1886 | WA Almanack |
| Cons | Miss | Ladies Seminary | Bunbury | 1874 | Herald Almanack |
| Cons | Miss | Ladies Seminary | Bunbury | 1875 | WA Almanack |
| Cons | Miss | | Bunbury | 1897 | Witton's Directory |
| Cons | Miss. | Ladies' Seminary | Bunbury | 1875 | Herald Almanack |
| Conservator of Forests | Brown, J. Ednie | | Eagle Chambers, 14 Havelock Street, Perth | 1897 | Witton's Directory |
| Constantine | E. | Printer | Geraldton | 1897 | Witton's Directory |
| Convent School | Sisters St Joseph, Principals | | Victoria Avenue, North Fremantle | 1897 | Witton's Directory |
| Conway | C. | Labourer | Geraldton | 1885 | Herald Almanack |
| Conway | C. | Chemist | Geraldton | 1897 | Witton's Directory |
| Conway | C. P. | Veterinary Surgeon | Perth | 1879 | WA Almanack |
| Conway | C. P. | Veterinary Srgn. | Perth | 1880 | WA Almanack |
| Conway | C. P. | Veterinary Surgeon. | Perth | 1881 | WA Almanack |
| Conway | C. P. | Veterinary Surgn. | Perth | 1882 | WA Almanack |
| Conway | C. P. | Veterinary Srgn. | Perth | 1884 | WA Almanack |
| Conway | G. | | Lake Street, Perth | 1897 | Witton's Directory |
| Conway | J . | Dairyman | Fremantle | 1884 | Herald Almanack |
| Conway | J Junr. | Carpenter | Fremantle | 1884 | Herald Almanack |
| Conway | J. | Dairyman | Fremantle | 1876 | WA Almanack |
| Conway | J. | Dairyman | Fremantle | 1877 | Herald Almanack |
| Conway | J. | Dairyman | Fremantle | 1877 | WA Almanack |
| Conway | J. | Dairyman | Fremantle | 1878 | Herald Almanack |
| Conway | J. | Dairyman | Fremantle | 1879 | Herald Almanack |
| Conway | J. | Dairyman | Fremantle | 1879 | WA Almanack |
| Conway | J. | Dairyman | Fremantle | 1880 | Herald Almanack |
| Conway | J. | Dairyman | Fremantle | 1880 | WA Almanack |