| Barker | O. M. | Farmer | Newton | 1897 | Witton's Directory |
| Barker | S. A. | Merchant | Perth | 1863 | WA Almanack |
| Barker | S. A. | Merchant | Perth | 1867 | WA Almanack |
| Barker | S. A. | Merchant | Perth | 1868 | WA Almanack |
| Barker | T. | Bootmaker | Perth | 1876 | Herald Almanack |
| Barker | T. | Bootmaker | Perth | 1876 | WA Almanack |
| Barker | T. | Storekeeper | Perth | 1877 | Herald Almanack |
| Barker | T. | Bootmaker | Perth | 1877 | WA Almanack |
| Barker | T. | Storekeeper | Perth | 1878 | Herald Almanack |
| Barker | T. | Storekeeper | Perth | 1879 | Herald Almanack |
| Barker | T. | Storekeeper | Perth | 1879 | WA Almanack |
| Barker | T. | Storekeeper | Perth | 1880 | Herald Almanack |
| Barker | T. | Store Keeper | Perth | 1880 | WA Almanack |
| Barker | T. | Storekeeper | Perth | 1881 | Herald Almanack |
| Barker | T. | Boot and Shoemaker | Perth | 1881 | WA Almanack |
| Barker | T. | Shoemaker & Storekeeper | Perth | 1882 | Herald Almanack |
| Barker | T. | Boot And Shoemaker | Perth | 1882 | WA Almanack |
| Barker | T. | Shoemaker & Dealer | Perth | 1883 | Herald Almanack |
| Barker | T. | Shoemaker & Dealer | Perth | 1884 | Herald Almanack |
| Barker | T. | Storekeeper | Perth | 1884 | WA Almanack |
| Barker | T. | Shoemaker & Dealer | Perth | 1885 | Herald Almanack |
| Barker | T. | Shoemaker and Dealer | Perth | 1886 | WA Almanack |
| Barker | T. | Shoemaker And Dealer | Perth | 1887 | WA Almanack |
| Barker | T. | Carter and Dealer | Perth | 1888 | WA Almanack |
| Barker | T. | Carter and Dealer | Perth | 1889 | WA Almanack |
| Barker | Thomas | Carrier | Ellen Street, Perth | 1897 | Witton's Directory |
| Barker | W. | Shoemaker | Busselton | 1873 | Herald Almanack |
| Barker | W. | Shoemaker | Vasse & Busselton | 1873 | WA Almanack |
| Barker | W. | Shoemaker | Busselton, Sussex & Nelson | 1874 | Herald Almanack |
| Barker | W. | Shoemaker | Vasse & Busselton | 1874 | WA Almanack |
| Barker | W. | Shoemaker | Busselton, Sussex & Nelson | 1875 | Herald Almanack |
| Barker | W. | Shoemaker | Busselton Sussex & Nelson | 1875 | WA Almanack |
| Barker | W. | Shoemaker | Busselton | 1876 | Herald Almanack |
| Barker | W. | Shoemaker | Busselton | 1876 | WA Almanack |
| Barker | W. | Shoemaker | Busselton | 1877 | Herald Almanack |
| Barker | W. | Shoemaker | Busselton, Sussex & Nelson | 1877 | WA Almanack |
| Barker | W. | Shoemaker | Busselton, Sussex, Nelson | 1878 | Herald Almanack |
| Barker | W. | Shoemaker | Vasse | 1879 | WA Almanack |
| Barker | W. | Shoemaker | Busselton & Suburbs | 1880 | Herald Almanack |
| Barker | W. | ShoeMaker | Busselton & Suburbs | 1881 | Herald Almanack |
| Barker | W. | Shoemaker | Vasse District | 1882 | Herald Almanack |
| Barker | W. | Shoemaker | Busselton, Blackwood &c. | 1882 | WA Almanack |
| Barker | W. | - | Busselton & Suburbs | 1883 | Herald Almanack |
| Barker | W. | - | Busselton & Suburbs | 1884 | Herald Almanack |
| Barker | W. | Shoemaker | Busselton, Blackwood &c. | 1884 | WA Almanack |
| Barker | W. | Shoemaker | Busselton | 1885 | Herald Almanack |
| Barker | W. | Shoemaker | Busselton, Etc. | 1887 | WA Almanack |
| Barker | W. | Shoemaker | Busselton | 1888 | WA Almanack |
| Barker | W. | Shoemaker | Busselton, Etc. | 1889 | WA Almanack |
| Barker | W. H. | Compositor | Esperance Bay | 1897 | Witton's Directory |
