| Cooke | N. W. | Farmer | Irwin & Dongara | 1875 | WA Almanack |
| Cooke | N. W. | Farmer | Irwin & Donarra | 1876 | Herald Almanack |
| Cooke | N. W. | Farmer | Victoria District (Irwin & Dongara) | 1876 | WA Almanack |
| Cooke | N. W. | Sheepowner | Irwin & Dongara | 1877 | Herald Almanack |
| Cooke | N. W. | Sheepfarmer | Toodyay | 1877 | WA Almanack |
| Cooke | N. W. | Sheepowner | Irwin & Dongara | 1877 | WA Almanack |
| Cooke | N. W. | Sheepowner | Irwin & Dongara | 1879 | Herald Almanack |
| Cooke | N. W. | Sheepowner | Irwin | 1879 | WA Almanack |
| Cooke | N. W. | Sheepowner | Irwin & Dongara | 1880 | Herald Almanack |
| Cooke | N. W. | Sheep Owner | Victoria District (Dongara & Irwin) | 1880 | WA Almanack |
| Cooke | N. W. | Grazier | Yule River | 1883 | Herald Almanack |
| Cooke | N. W. | Grazier | Yule River | 1884 | Herald Almanack |
| Cooke | N.W. | SheepOwner | Irwin & Dongara | 1881 | Herald Almanack |
| Cooke | T. | Wheelwright | Northam | 1884 | Herald Almanack |
| Cooke | T. J. | Farmer & Grazier | Northam (Neleyine) | 1873 | Herald Almanack |
| Cooke & Co. | - | Stationers | Perth | 1887 | WA Almanack |
| Cookson | C. | Boatman | Perth | 1882 | Herald Almanack |
| Cookson | C. | Boatman | Perth | 1883 | Herald Almanack |
| Cookson | C. | Boatman | Perth | 1886 | WA Almanack |
| Cookson | C. | Boatman | Perth | 1887 | WA Almanack |
| Cookson | C. | Boatman | Perth | 1888 | WA Almanack |
| Cookson | C. | Boatman | Perth | 1889 | WA Almanack |
| Cookson | C. | | Queensbury Street, Perth | 1897 | Witton's Directory |
| Cookson | G. | Boatman | Perth | 1884 | WA Almanack |
| Cookson Bros | Burge & Dalton | Sharebrokers | Eagle Chambers, 14 Havelock Street, Perth | 1897 | Witton's Directory |
| Cookworth | Miss. | Farmer | Busselton & Sussex Districts | 1868 | WA Almanack |
| Cookworthy | J. | Grazier | Vasse & Busselton | 1874 | WA Almanack |
| Cookworthy | J. | J.P., Farmer | Busselton & Suburbs (Sandilands) | 1880 | Herald Almanack |
| Cookworthy | J. | Farmer | Busselton, Blackwood &c. | 1882 | WA Almanack |
| Cookworthy | J. | J. P., Farmer (Sandilands) | Busselton & Suburbs | 1883 | Herald Almanack |
| Cookworthy | J. | Farmer & Grazier | Busselton, Blackwood &c. | 1884 | WA Almanack |
| Cookworthy | J. C. | J. P. Farmer & Grazier | Busselton | 1885 | Herald Almanack |
| Cookworthy | J. C. | Farmer and Grazier | Busselton | 1888 | WA Almanack |
| Cookworthy | J. C. | Farmer & Grazier | Busselton, Etc. | 1889 | WA Almanack |
| Cookworthy | J. J. P. | Grazier | Sussex (Busselton) | 1886 | WA Almanack |
| Cookworthy | J. P. | Farmer | Vasse District (Sandilands) | 1882 | Herald Almanack |
| Cookworthy | J.J. | J.P. Farmer | Busselton & Suburbs (Sandilands) | 1881 | Herald Almanack |
| Cookworthy | J.J.P. | Farmer | Busselton & Suburbs (Sandlands) | 1884 | Herald Almanack |
| Cookworthy | Jos. | J. P. | Busselton, Sussex & Nelson | 1875 | Herald Almanack |
| Cookworthy | Jos. | J.P. | Busselton Sussex & Nelson | 1875 | WA Almanack |
| Cookworthy | Jos. | J. P. | Busselton | 1876 | Herald Almanack |
| Cookworthy | Jos. | Grazier | Busselton | 1876 | WA Almanack |
| Cookworthy | Jos. | J.P. | Busselton | 1877 | Herald Almanack |
| Cookworthy | Jos. | Farmer | Busselton, Sussex & Nelson | 1877 | WA Almanack |
| Cookworthy | Jos. | J. P. | Busselton, Sussex, Nelson | 1878 | Herald Almanack |
| Cookworthy | Jos. | J.P., Farmer | Busselton & Suburbs (Sandilands) | 1879 | Herald Almanack |
| Cookworthy | Jos. | Farmer | Vasse | 1879 | WA Almanack |
| Cookworthy | Jos. | Grazier | Busselton, Etc. | 1887 | WA Almanack |
| Cookworthy | Joseph | Grazier | Busselton, Blackwood, &c. | 1880 | WA Almanack |
| Cookworthy | Joseph. | Grazier | Busselton, Blackwood &c. | 1881 | WA Almanack |
