| Mitchell | W.O. | Farmer | Wellington District (Preston Upper Capel Towards Blackwood &c.) | 1879 | WA Almanack |
| Mitchell | W.O. | Farmer | Upper Capel (Torrendon) | 1884 | Herald Almanack |
| Mitchell | W.R. | Farmer & Grazier | Bunbury | 1881 | Herald Almanack |
| Mitchell | Wm. | | Irwin | 1897 | Witton's Directory |
| Mitchell & Co. | | Storekeepers | Northampton | 1897 | Witton's Directory |
| Mitchell & Son | - | General Importers & Manufacturers of Confectionery | Perth | 1870 | WA Almanack |
| Mitchell & Son | - | Gnrl. Imprtrs. & Mnfctrs. of Confectionery | Perth | 1873 | WA Almanack |
| Mitchell & Son | - | Gnrl. Imptrs. & Mnfctrs. of confectionary | Perth | 1874 | WA Almanack |
| Mitchell and Son | - | General Importers and Manufacturers of Confectionery | Perth | 1872 | WA Almanack |
| Mith | P. H. | | Arundel Street, Fremantle | 1897 | Witton's Directory |
| Miur | R. | Merchant | Albany | 1881 | Herald Almanack |
| Miyata | C. | Refreshment Rooms | 149 William Street, Perth | 1897 | Witton's Directory |
| MKenna | J. | Carter | Fremantle | 1877 | WA Almanack |
| MKenna | T. | Farmer | Road between Perth & Albany (Arthur River) | 1869 | WA Almanack |
| MKenna | T. | Farmer | Road Between Perth & Albany (Arthur River) | 1872 | WA Almanack |
| MKenzie | J. | Store Warder C. E. | Fremantle | 1875 | WA Almanack |
| MKenzie | P. | Gardener | Perth (srbs) | 1875 | WA Almanack |
| MKenzie | T. | Gardener | Perth (srbs) | 1875 | WA Almanack |
| MKenzie | T. | Gardener | Perth | 1877 | WA Almanack |
| MKenzie | T. | Gardener | Perth | 1879 | WA Almanack |
| MKeon | J. | Wheelwright | York | 1869 | WA Almanack |
| MKeon | J. | Wheelwright | York | 1870 | WA Almanack |
| MKeon | J. | Wheelwright | York | 1872 | WA Almanack |
| MKeon | J. | Wheelwright | York | 1873 | WA Almanack |
| MKeon | J. | Wheelwright | York | 1874 | WA Almanack |
| MKernan | D. | Police Constable | Busselton & Sussex District | 1869 | WA Almanack |
| MKinlay | W. | Gardener | Perth | 1879 | WA Almanack |
| MKinley | W. | Gardener | Perth (srbs) | 1875 | WA Almanack |
| MKinley | W. | Gardener | Perth | 1877 | WA Almanack |
| MKinnon | M. J. | Corporal of Pensioners | Newcastle | 1869 | WA Almanack |
| MKinnon | M. J. | Corporal of Pensioners | Newcastle | 1870 | WA Almanack |
| MKinnon | M. J. | Corporal of Pensioners | Newcastle | 1872 | WA Almanack |
| MKinnon | M.J. | Corporal of Pensioners | Newcastle | 1873 | WA Almanack |
| MLarty | J. | Publican | Murray | 1870 | WA Almanack |
| MLarty | J. | Publican | Murray & Serpentine | 1872 | WA Almanack |
| MLarty | U. | Publican | Murray | 1869 | WA Almanack |
| MMullen | C. J. | Bailiff Local Court | Fremantle | 1889 | WA Almanack |
| MNee | M. | Governors Orderly | Perth | 1875 | WA Almanack |
| MNee | M. | Governors Orderly | Perth | 1879 | WA Almanack |
| MNee | M. | Governors orderly | Perth | 1880 | WA Almanack |
| MNee | Mrs. | Accoucher | Perth | 1875 | WA Almanack |
| MNee | Mrs. | Accoucheur | Perth | 1879 | WA Almanack |
| MNee | W. | Tidewaiter | Fremantle | 1875 | WA Almanack |
| MNee | W. | Landing Waiter | Fremantle | 1877 | WA Almanack |
| MNee | W. | Tidewaiter | Fremantle | 1880 | WA Almanack |
| MNee | W. | Tidewaiter | Fremantle | 1881 | WA Almanack |
| MNee | W. | Tidewaiter | Fremantle | 1882 | WA Almanack |
| MNee | W. | Tidewater Customs | Fremantle | 1884 | WA Almanack |
| MoAlinden | John. | Publican | Busselton, Blackwood &c. | 1881 | WA Almanack |
| Moan | Philip | Police Constable | Road between Perth & Albany (Kojonup) | 1869 | WA Almanack |