| A'Hern | W. | Farmer | Victoria Districts (Greenough) | 1882 | WA Almanack |
| A.U.S.N. & Co. | | Agents | Cliff Street, Fremantle | 1897 | Witton's Directory |
| A.U.S.N. Co. | Lilly, James. & Co. | Agents | Barrack Street, Perth | 1897 | Witton's Directory |
| Aax | R. C. | Pearler | Maitland River | 1875 | Herald Almanack |
| Aax | R. C. | Pearler | North-West Settlements (Pearlers Without a Fixed Residence) | 1875 | WA Almanack |
| Aax | R. C. | Pearler | Pearler without a Fixed Residence | 1876 | Herald Almanack |
| Abadee & Abrahams | Abadee J. & Abrahams J. | Cigar Manufacturers | Fitzgerald Street, Perth | 1897 | Witton's Directory |
| Abbert | & Co. | Family Butchers | High Street, Fremantle | 1897 | Witton's Directory |
| Abbett | W. W. | Tailor | 93 Murray Street, Perth | 1897 | Witton's Directory |
| Abbett | W. W. | | 95 Murray Street, Perth | 1897 | Witton's Directory |
| Abbey | D. | Farmer | Busselton & Sussex District | 1870 | WA Almanack |
| Abbey | D. | Farmer | Busselton & Vasse | 1872 | WA Almanack |
| Abbey | D. | Farmer | Busselton | 1873 | Herald Almanack |
| Abbey | D. | Farmer | Vasse & Busselton | 1873 | WA Almanack |
| Abbey | D. | Farmer | Busselton, Sussex & Nelson | 1874 | Herald Almanack |
| Abbey | D. | Farmer | Vasse & Busselton | 1874 | WA Almanack |
| Abbey | D. | Farmer | Busselton, Sussex & Nelson | 1875 | Herald Almanack |
| Abbey | D. | Farmer | Busselton Sussex & Nelson | 1875 | WA Almanack |
| Abbey | D. | Farmer | Busselton | 1876 | Herald Almanack |
| Abbey | D. | Farmer | Busselton | 1876 | WA Almanack |
| Abbey | D. | Farmer | Busselton, Sussex & Nelson | 1877 | WA Almanack |
| Abbey | D. | Farmer | Busselton, Sussex, Nelson | 1878 | Herald Almanack |
| Abbey | D. | Farmer | Newtown | 1879 | Herald Almanack |
| Abbey | D. | Farmer | Vasse | 1879 | WA Almanack |
| Abbey | D. | Farmer | Newtown | 1880 | Herald Almanack |
| Abbey | D. | Farmer | Newtown | 1881 | Herald Almanack |
| Abbey | D. | Farmer | Vasse District | 1882 | Herald Almanack |
| Abbey | D. | Farmer | Newton | 1883 | Herald Almanack |
| Abbey | D. | Farmer | Newton | 1884 | Herald Almanack |
| Abbey | D. | Farmer & Road Contractor | New Town & near New Town | 1885 | Herald Almanack |
| Abbey | D. | Farmer | Sussex (Busselton) | 1886 | WA Almanack |
| Abbey | D. | Farmer | Busselton, Etc. | 1887 | WA Almanack |
| Abbey | D. | Hotel Keeper | Busselton | 1888 | WA Almanack |
| Abbey | D. | Farmer | Busselton, Etc. (New Town) | 1889 | WA Almanack |
| Abbey | D. | Farmer, Mary Brook | Quindalup | 1897 | Witton's Directory |
| Abbey | David | Farmer | Busselton, Blackwood, &c. | 1880 | WA Almanack |
| Abbey | David | Farmer | Busselton, Blackwood &c. (Newtown) | 1882 | WA Almanack |
| Abbey | David | Farmer | Busselton, Blackwood &c. (Newton) | 1884 | WA Almanack |
| Abbey | David. | Farmer | Busselton, Blackwood &c. | 1881 | WA Almanack |
| Abbey | J | Farmer | Vasse | 1879 | WA Almanack |
| Abbey | J. | Farmer | Busselton & Sussex District | 1867 | WA Almanack |
| Abbey | J. | Farmer | Busselton & Sussex Districts | 1868 | WA Almanack |
| Abbey | J. | Farmer | Busselton & Sussex District | 1869 | WA Almanack |
| Abbey | J. | Farmer | Busselton | 1873 | Herald Almanack |
| Abbey | J. | Farmer | Vasse & Busselton | 1874 | WA Almanack |
| Abbey | J. | Farmer | Busselton, Sussex & Nelson | 1875 | Herald Almanack |
| Abbey | J. | Farmer | Busselton Sussex & Nelson | 1875 | WA Almanack |
| Abbey | J. | Farmer | Busselton | 1876 | Herald Almanack |
| Abbey | J. | Farmer | Busselton | 1876 | WA Almanack |
| Abbey | J. | Farmer | Busselton | 1877 | Herald Almanack |
