| Simmons | T. | Farmer | Bunbury, Etc. (Preston, Upper Capel, towards Blackwood, Etc.) | 1889 | WA Almanack |
| Simmons | T. | Farmer | Bunbury, Etc. (Preston, Upper Capel, towards Blackwood, Etc.) | 1889 | WA Almanack |
| Simmons | Thomas | Farmer | Wellington (Preston, Upper Capel, Towards Blackwood, Etc. | 1880 | WA Almanack |
| Simmons | Thomas | Farmer | Wellington District (Preston, Upper Capel, Towards Blackwood, Etc.) | 1882 | WA Almanack |
| Simmons | Thomas. | Farmer | Wellington District (Preston, Upper Capel, towards Blackwood, Etc.) | 1881 | WA Almanack |
| Simmons | Thos. | Farmer | Bunbury (Preston, Upper Capel Towards Blackwood &c.) (Preston) | 1877 | WA Almanack |
| Simmons | Thos. | Farmer | Wellington District (Preston Upper Capel Towards Blackwood &c.) | 1879 | WA Almanack |
| Simmons | Thos. | Sawyer | Preston | 1885 | Herald Almanack |
| Simmons | W. | Woodcutter | Victoria District (Northampton) | 1880 | WA Almanack |
| Simmons | W. | P. C. | Albany | 1885 | Herald Almanack |
| Simmons | W. | | Arundel Street, Fremantle | 1897 | Witton's Directory |
| Simmons | W. A. | Port Pilot | Fremantle | 1877 | WA Almanack |
| Simmons | W. A. | Water Police | Albany | 1887 | WA Almanack |
| Simmons | W. A. | Water Police | Albany | 1888 | WA Almanack |
| Simmons | W. A. | Water Police | Albany | 1889 | WA Almanack |
| Simmons | W.A. | Port Pilot | Fremantle | 1876 | WA Almanack |
| Simms | Geo. | Farmer | York | 1897 | Witton's Directory |
| Simms | H. | | Charles Street, Perth | 1897 | Witton's Directory |
| Simms | H. C. | Town Clerk | Esperance Bay | 1897 | Witton's Directory |
| Simms | Mrs. | Farmer | York | 1897 | Witton's Directory |
| Simon | A. | Doctor | Coolgardie Chambers, Bayley Street, Coolgardie | 1897 | Witton's Directory |
| Simon | M. | Farmer | Victoria Plains | 1886 | WA Almanack |
| Simon | S. | Dyer & Cleaner | Duke Street, Perth | 1897 | Witton's Directory |
| Simonds | & Co. | Customs & Shipping Agents | Cliff Street, Fremantle | 1897 | Witton's Directory |
| Simonds | Ernest T. & Co. | | Hannan Street, Kalgoorlie | 1897 | Witton's Directory |
| Simons | Charles | | Mangles Street, Perth | 1897 | Witton's Directory |
| Simons | J. | | Aberdeen Street, Perth | 1897 | Witton's Directory |
| Simons | Mrs. | | Roe Street, Perth | 1897 | Witton's Directory |
| Simpsom | R. | Saddler | Howick Street, Perth | 1873 | Herald Almanack |
| Simpson | &Macintosh. | Pearlers and Graziers | North-West Coast (Fortescue River) | 1880 | WA Almanack |
| Simpson | - | Painter & Decorator | Perth | 1879 | WA Almanack |
| Simpson | A. E. | Office of the Boolong G.M. Co, Ltd, The Queen of the Arrow G.M. Co, West End Hotel Syndicate | Chancery Chambers, Hunt Street, Coolgardie | 1897 | Witton's Directory |
| Simpson | and McIntosh. | Pearlers & Graziers | Fortescue River | 1881 | Herald Almanack |
| Simpson | Chas Y. | | Howick Street, Perth | 1897 | Witton's Directory |
| Simpson | Chas. | Farmer | Balbarrup | 1897 | Witton's Directory |
| Simpson | D. | Grazier & Pearler | Fortesque River | 1873 | Herald Almanack |
| Simpson | D. | Grazier | North-West Settlements (Fortescue) | 1873 | WA Almanack |
| Simpson | D. | Grazier & Pearler | North District, Fortesque River | 1874 | Herald Almanack |
| Simpson | D. | Grazier | North-West Settlement (Fortescue) | 1874 | WA Almanack |
| Simpson | D. | Glazier | Cossack | 1875 | Herald Almanack |
| Simpson | D. | Grazier | North-West Settlements (Maitland River) | 1875 | WA Almanack |
| Simpson | D. | Grazier | Maitland River | 1876 | Herald Almanack |
| Simpson | D. | Grazier | North-West Settlements (Maitland River) | 1876 | WA Almanack |
| Simpson | D. | Grazier | Fortescue River | 1879 | Herald Almanack |
| Simpson | D. | Grazier | Fortescue River | 1880 | Herald Almanack |
| Simpson | D. | Grazier | North-West Coast (Fortescue River) | 1880 | WA Almanack |
| Simpson | D. | Grazier | Fortescue River | 1881 | Herald Almanack |
| Simpson | D. | Grazier | North-West Coast (Fortescue River) | 1881 | WA Almanack |
| Simpson | D. | Grazier | Fortescue River | 1882 | Herald Almanack |
| Simpson | D. | Grazier | North-West Coast (Fortescue) | 1882 | WA Almanack |