| Cook | H. | Farmer & Grazier | Geraldton | 1882 | Herald Almanack |
| Cook | H. | Farmer | Victoria Districts (Geraldton) | 1882 | WA Almanack |
| Cook | H. | Grazier and Pearler | North-West Coast (Robe River) | 1882 | WA Almanack |
| Cook | H. | Farmer & Grazier | Geraldton | 1883 | Herald Almanack |
| Cook | H. | Farmer & Grazier | Victoria District | 1884 | Herald Almanack |
| Cook | H. | Farmer & Grazier | Victoria District (Geraldton) | 1884 | WA Almanack |
| Cook | H. | Farmer | Geraldton (Chapman) | 1885 | Herald Almanack |
| Cook | H. | Farmerand Grazier | Victoria District (Geraldton) | 1886 | WA Almanack |
| Cook | H. | Sheepowner | Toodyay | 1886 | WA Almanack |
| Cook | H. | Farmer and Grazier | Geraldton | 1887 | WA Almanack |
| Cook | H. | Farmer and Grazier | Geraldton | 1888 | WA Almanack |
| Cook | H. | Farmer & Grazier | Geraldton | 1889 | WA Almanack |
| Cook | H. F. G. | - | Victoria District (Geraldton) | 1879 | WA Almanack |
| Cook | H. H. | | Northam | 1897 | Witton's Directory |
| Cook | H. J. | Farmer & Grazier | Northam | 1880 | WA Almanack |
| Cook | H. J. | Grazier | Murchison & Gascoyne (Gascoyne, Sharks Bay, Etc) (Barrow Island) | 1886 | WA Almanack |
| Cook | H. J. | Grazier | Gascoyne, Sharks Bay, Etc. (Barrow Island) | 1887 | WA Almanack |
| Cook | H. J. | Grazier (Barrow Ild) | Gascoyne, Sharks Bay, Etc. | 1888 | WA Almanack |
| Cook | H. J. | Grazier | Gascoyne, Sharks Bay, Etc.(Barrow Ild.) | 1889 | WA Almanack |
| Cook | H. J. | | Northam | 1897 | Witton's Directory |
| Cook | H. M. | | Northam | 1897 | Witton's Directory |
| Cook | H.Y. | SheepOwner | Toodyay | 1881 | Herald Almanack |
| Cook | Hy | Sheepowner | Toodyay | 1883 | Herald Almanack |
| Cook | Hy. | Sheepowner | Toodyay | 1878 | Herald Almanack |
| Cook | Hy. | Sheepowner | Toodyay | 1879 | Herald Almanack |
| Cook | Hy. | Sheepowner | Toodyay | 1880 | Herald Almanack |
| Cook | Hy. | Sheepowner | Toodyay | 1882 | Herald Almanack |
| Cook | Hy. | Sheepowner | Toodyay | 1884 | Herald Almanack |
| Cook | Hy. | Sheepowner | Toodyay | 1885 | Herald Almanack |
| Cook | J. | Stockowner | Geraldton & Champion Bay | 1873 | Herald Almanack |
| Cook | J. | Stockowner | Geraldton & Champion Bay | 1874 | Herald Almanack |
| Cook | J. | Stockowner | Geraldton | 1875 | Herald Almanack |
| Cook | J. | Stockowner | Geradlton | 1875 | WA Almanack |
| Cook | J. | Stockowner | Geraldton | 1876 | Herald Almanack |
| Cook | J. | Stockowner | Victoria District (Champion Bay) | 1876 | WA Almanack |
| Cook | J. | Farmer & Grazier | York | 1877 | WA Almanack |
| Cook | J. | Farmer | Newcastle & Toodyay District | 1881 | WA Almanack |
| Cook | J. | Farmer (D) | Victoria Plains & Dandaragan | 1881 | WA Almanack |
| Cook | J. | Farmer | Victoria District (Greenough) | 1881 | WA Almanack |
| Cook | J. | Farmer | Newcastle & Toodyay District | 1882 | WA Almanack |
| Cook | J. | Farmer & Grazier (D) | Victoria Plains & Dandaragan | 1882 | WA Almanack |
| Cook | J. | Farmer | Victoria Districts (Greenough) | 1882 | WA Almanack |
| Cook | J. | Farmer | Swan | 1884 | WA Almanack |
| Cook | J. | Farmer | Newcastle & Toodyay District | 1884 | WA Almanack |
| Cook | J. | Farmer (D) | Victoria Plains & Dandaragan | 1884 | WA Almanack |
| Cook | J. | Farmer | Swan | 1886 | WA Almanack |
| Cook | J. | Farmer | Swan | 1887 | WA Almanack |
| Cook | J. | Farmer | Newcastle | 1887 | WA Almanack |
| Cook | J. | Farmer | Swan | 1888 | WA Almanack |
| Cook | J. | Farmer | Swan | 1889 | WA Almanack |