| Cook | A. | Farmer | Quellington | 1897 | Witton's Directory |
| Cook | A. C. | Watchmaker | Perth | 1887 | WA Almanack |
| Cook | A. C. | Watchmaker and Jeweller | Perth | 1888 | WA Almanack |
| Cook | A. E. | Railway Parcels Clerk | Perth | 1888 | WA Almanack |
| Cook | A. P. | Teamster | North-West Coast (Harding River) | 1882 | WA Almanack |
| Cook | A.E. | Railway Parcels Clerk | Perth | 1889 | WA Almanack |
| Cook | Alex | Labourer | Dandaragan | 1887 | WA Almanack |
| Cook | Alex | Labourer | Dandaragan | 1889 | WA Almanack |
| Cook | Alex | Farmer | Moora | 1897 | Witton's Directory |
| Cook | Alex. | Labourer | Dandaragan | 1888 | WA Almanack |
| Cook | Arthur C. | Practical Watchmaker and Jeweller | Perth | 1889 | WA Almanack |
| Cook | Arthur C. | Jeweller & Optician | 84 Havelock Street, Perth | 1897 | Witton's Directory |
| Cook | C. | | Saint George's Terrace, Perth | 1897 | Witton's Directory |
| Cook | C. J. | | Hooper Street, Perth | 1897 | Witton's Directory |
| Cook | Charles | Farmer & Grazier (D) | Victoria Plains & Dandaragan | 1880 | WA Almanack |
| Cook | Charles | Farmer & Grazier (E) | Victoria Plains & Dandaragan | 1882 | WA Almanack |
| Cook | Charles | Farmer & Grazier (E) | Victoria Plains & Dandaragan | 1884 | WA Almanack |
| Cook | Charles | - | Irwin & Dongara | 1885 | Herald Almanack |
| Cook | Charles | Farmer | Dandaragan | 1887 | WA Almanack |
| Cook | Charles | Farmer | Dandaragan | 1888 | WA Almanack |
| Cook | Charles | Farmer | Dandaragan | 1889 | WA Almanack |
| Cook | Charles. | Farmer & Grazier (E) | Victoria Plains & Dandaragan | 1881 | WA Almanack |
| Cook | Chas. | Farmer & Grazier | Victoria Plains & Dandaragan (D) | 1877 | Herald Almanack |
| Cook | Chas. | Farmer & Grazier | Victoria Plains | 1877 | WA Almanack |
| Cook | Chas. | Farmer & Grazier | Victoria Plains & Dandaragan (D) | 1878 | Herald Almanack |
| Cook | Chas. | Farmer & Grazier | Victoria Plains & Dandaragan | 1879 | Herald Almanack |
| Cook | Chas. | Farmer and Grazier (D) | Victoria Plains & Dandaragan | 1879 | WA Almanack |
| Cook | Chas. | Farmer & Grazier | Victoria Plains & Dandaragan | 1880 | Herald Almanack |
| Cook | Chas. | Farmer & Grazier | Victoria Plains & Dandaragan | 1882 | Herald Almanack |
| Cook | Chas. | Farmer [D] | Victoria Plains, Dandaragan | 1883 | Herald Almanack |
| Cook | Chas. | Farmer | Victoria Plains, Dandaragan | 1884 | Herald Almanack |
| Cook | Chas. | - | Victoria District (Dongara) | 1884 | WA Almanack |
| Cook | Chas. | - | Victoria District (Dongara) | 1886 | WA Almanack |
| Cook | Chas. | Farmer | Dongara | 1887 | WA Almanack |
| Cook | Chas. | Farmer | Dongara | 1888 | WA Almanack |
| Cook | Chas. | Farmer | Dongara | 1889 | WA Almanack |
| Cook | Chas. | Mason | Rockingham Road, Beaconsfield | 1897 | Witton's Directory |
| Cook | Chas. | Farmer | Dandaragan | 1897 | Witton's Directory |
| Cook | E. | Carpenter | Guildford & Suburbs | 1863 | WA Almanack |
| Cook | E. | Carpenter | Guildford | 1864 | WA Almanack |
| Cook | E. | Carpenter | Guildford | 1865 | WA Almanack |
| Cook | E. | Carpenter | Guildford | 1866 | WA Almanack |
| Cook | E. | Carpenter | Guildford | 1867 | WA Almanack |
| Cook | E. | Carpenter | Guildford | 1868 | WA Almanack |
| Cook | E. | Labourer | Guildford | 1882 | WA Almanack |
| Cook | E. | Labourer | Guildford | 1883 | WA Almanack |
| Cook | E. | Labourer | Guildford | 1884 | WA Almanack |
| Cook | E. | | Francis Street, Perth | 1897 | Witton's Directory |
| Cook | E. | Storekeeper | Bunbury | 1897 | Witton's Directory |
| Cook | F. | Farmer | Northam | 1873 | WA Almanack |