| Thorpe | W. | Landowner | Fremantle | 1887 | WA Almanack |
| Thorpe | W. | Farmer | Pinjarrah | 1887 | WA Almanack |
| Thorpe | W. | Landowner | Fremantle | 1888 | WA Almanack |
| Thorpe | W. | Farmer | Murray (Mandurah) | 1888 | WA Almanack |
| Thorpe | W. | Landowner | Fremantle | 1889 | WA Almanack |
| Thorpe | W. | Farmer | Murray (Mandurah) | 1889 | WA Almanack |
| Thorpe | W. | | Malcolm Street, Fremantle | 1897 | Witton's Directory |
| Thorpe | William | Farmer | Pinjarrah & Murray | 1885 | Herald Almanack |
| Threadgold | A. T. | | Cue | 1897 | Witton's Directory |
| Threder | J. | | Queensbury Street, Perth | 1897 | Witton's Directory |
| Throssel | G. | Farmer & Grazier | Northam | 1873 | Herald Almanack |
| Throssel | G. | Importer & Storekeeper | Northam | 1885 | Herald Almanack |
| Throssel | Geo. | Storekeeper | Kanowna | 1897 | Witton's Directory |
| Throssel | George | | Southern Cross | 1897 | Witton's Directory |
| Throssel | L. | | Southern Cross | 1897 | Witton's Directory |
| Throssel | Stewart & Son | General Storekeepers | Southern Cross | 1897 | Witton's Directory |
| Throssell | G. | Dealer and Postmaster | Northam | 1869 | WA Almanack |
| Throssell | G. | Dealer & Postmaster | Northam | 1870 | WA Almanack |
| Throssell | G. | Dealer and Postmaster | Northam | 1872 | WA Almanack |
| Throssell | G. | Postmaster & Storekeeper | Northam | 1874 | WA Almanack |
| Throssell | G. | Importer & General Dealer | Northam | 1875 | Herald Almanack |
| Throssell | G. | Importer and General Dealer | Northam | 1875 | WA Almanack |
| Throssell | G. | Importer & General Dealer | Northam | 1876 | Herald Almanack |
| Throssell | G. | Importer and General Dealer | Northam | 1876 | WA Almanack |
| Throssell | G. | Importer & General Store Keeper | Northam | 1877 | Herald Almanack |
| Throssell | G. | Importer and General Storekeeper | Northam | 1877 | WA Almanack |
| Throssell | G. | Importer & General Store-keeper | Northam | 1878 | Herald Almanack |
| Throssell | G. | Importer & Storekpr | Northam | 1879 | Herald Almanack |
| Throssell | G. | Importerand General Storekeeper | Northam | 1879 | WA Almanack |
| Throssell | G. | Importer & Storekeeper | Northam | 1880 | Herald Almanack |
| Throssell | G. | Importer and Genetal Storekeeper | Northam | 1880 | WA Almanack |
| Throssell | G. | Importer & Storekeeper | Northam | 1881 | Herald Almanack |
| Throssell | G. | Importer & General Storekeeper | Northam | 1881 | WA Almanack |
| Throssell | G. | Importer & Storekeeper | Northam | 1882 | Herald Almanack |
| Throssell | G. | Importer and General Storekeeper | Northam | 1882 | WA Almanack |
| Throssell | G. | Importer & Storekeeper | Northam | 1883 | Herald Almanack |
| Throssell | G. | Importer & Store-keeper | Northam | 1884 | Herald Almanack |
| Throssell | G. | Importer &c. | Northam | 1884 | WA Almanack |
| Throssell | G. | Importer and storekeeper | Northam | 1886 | WA Almanack |
| Throssell | G. | Importer & Storekeeper | Northam | 1887 | WA Almanack |
| Throssell | G. L. | Merchant | Newcastle | 1888 | WA Almanack |
| Throssell | G. L. | Merchant | Newcastle | 1889 | WA Almanack |
| Throssell | G. L. | | Northam | 1897 | Witton's Directory |
| Throssell | Geo | | Northam | 1897 | Witton's Directory |
| Throssell | Geo. | Storekeeper & Commission Agent | Northam | 1874 | Herald Almanack |
| Throssell | George | Storekeeper | Northam | 1867 | WA Almanack |
| Throssell | George. | Storekeeper | Northam | 1868 | WA Almanack |
| Throssell | H. F. | | Northam | 1897 | Witton's Directory |
| Throssell | L. | Merchant | Newcastle | 1887 | WA Almanack |
| Throssell & Co. | | Graziers, Baring Downs Station | Onslow | 1897 | Witton's Directory |
