| McKay | S. P. | Pearler | Yule River | 1885 | Herald Almanack |
| Mckay | T. | Carpenter | York | 1884 | WA Almanack |
| McKay | T. | Carpenter | York | 1888 | WA Almanack |
| McKay | T. | Carpenter | York | 1889 | WA Almanack |
| McKay | Thomas | Carpenter | York | 1885 | Herald Almanack |
| McKay | W. | Tanner | Fremantle | 1873 | WA Almanack |
| McKay | W. | Tanner | Fremantle | 1874 | WA Almanack |
| McKay | W. | | Swan Street, North Fremantle | 1897 | Witton's Directory |
| McKay | Wm. | Farmer | Serpentine | 1897 | Witton's Directory |
| McKay & Morrison | | Plumbers & Kalgoorlie Bicycle Works | Maritana Street, Kalgoorlie | 1897 | Witton's Directory |
| McKay Bros. | - | Tanners & Curriers | York | 1887 | WA Almanack |
| McKay Bros. | - | Tanners and Curriers | York | 1888 | WA Almanack |
| McKay Bros. | - | Tanner and Curriers | York | 1889 | WA Almanack |
| McKay, Richardson & Co. | | | Esperance Bay | 1897 | Witton's Directory |
| McKealey | Alex | Farmer | Moora | 1897 | Witton's Directory |
| McKean | J. | Storeman | Guildford & Helena | 1876 | WA Almanack |
| Mckean | J. | Yardman | Guildford | 1879 | WA Almanack |
| McKean | J. | Yardman | Guildford | 1880 | WA Almanack |
| McKean | J. | Yardman | Guildford | 1881 | WA Almanack |
| McKean | J. | Yardman | Guildford | 1882 | WA Almanack |
| McKean | J. | Yardman | Guildford | 1883 | WA Almanack |
| McKean | J. | Yardman | Guildford | 1884 | WA Almanack |
| McKean | Jos. | Labourer | Guildford | 1881 | WA Almanack |
| McKean | Jos. | Labourer | Guildford | 1887 | WA Almanack |
| McKean | Jos. | Labourer | Guildford | 1888 | WA Almanack |
| McKean | Jos. | Labourer | Guildford | 1889 | WA Almanack |
| McKean | Joseph | Blacksmith | Guildford | 1882 | WA Almanack |
| McKean | Joseph | Blacksmith | Guildford | 1883 | WA Almanack |
| McKechnie | P. | Operator | Eucla | 1897 | Witton's Directory |
| Mckeen | - | Warehouseman | Guildford | 1879 | Herald Almanack |
| McKeen | - | Warehouseman | Guildford | 1880 | Herald Almanack |
| McKeen | - | Warehouse man | Guildford | 1881 | Herald Almanack |
| McKeen | - | Warehouseman | Guildford | 1882 | Herald Almanack |
| McKeen | J. | Warehouseman | Guildford | 1883 | Herald Almanack |
| McKeen | J. | Warehouseman | Guildford | 1884 | Herald Almanack |
| McKeen | J. | Warehouseman | Guildford | 1885 | Herald Almanack |
| Mckeena | J. | Carter | Fremantle | 1875 | Herald Almanack |
| McKeena | John | Carter | York | 1885 | Herald Almanack |
| McKeever | R. J. | Farmer | Moora | 1897 | Witton's Directory |
| McKellar | Dan | Mec Institute | Bridgetown | 1897 | Witton's Directory |
| McKeller | A. | Storekeeper | Geraldton | 1885 | Herald Almanack |
| McKemish | H. | Miner | Garden Gully, Nannine | 1897 | Witton's Directory |
| McKenn | C. | Farmer | Albany Road (Arthur River) | 1880 | WA Almanack |
| McKenna | C. | Farmer (Arthur River) | Albany Road | 1879 | WA Almanack |
| McKenna | C. | Farmer | Albany Road (Arthur River) | 1881 | WA Almanack |
| McKenna | C. | Farmer | Arthur River | 1882 | Herald Almanack |
| McKenna | C. | Farmer | Albany Road (Arthur River) | 1882 | WA Almanack |
| McKenna | C. | Farmer | Arthur River | 1883 | Herald Almanack |
| McKenna | C. | Farmer | Arthur River | 1884 | Herald Almanack |
| McKenna | C. | Farmer | Albany River (Arthur River) | 1884 | WA Almanack |
