| McKay | John | Teamster | Victoria Districts (Northampton) | 1882 | WA Almanack |
| McKay | John | | Jackson Street, North Fremantle | 1897 | Witton's Directory |
| McKay | John | Miner | Greenbushes | 1897 | Witton's Directory |
| McKay | K. | | Gray Street, Fremantle | 1897 | Witton's Directory |
| McKay | Mrs | | Abbott's, Nannine | 1897 | Witton's Directory |
| McKay | Mrs. | Householder | Perth | 1887 | WA Almanack |
| McKay | Mrs. | Householder | Perth | 1888 | WA Almanack |
| McKay | Mrs. | Householder | Perth | 1889 | WA Almanack |
| McKay | Mrs. | | Wittenoom Street, Perth | 1897 | Witton's Directory |
| McKay | Mrs. | | York | 1897 | Witton's Directory |
| McKay | Mrs. | Farmer | York | 1897 | Witton's Directory |
| McKay | R. | Pearler | North-West Settlements (Pearlers Without a Fixed Residence) | 1876 | WA Almanack |
| McKay | R. | Grazier | North-West Coast - Yule | 1877 | Herald Almanack |
| McKay | R. | Grazier | North-West Coast - Yule | 1878 | Herald Almanack |
| McKay | R. | Sheepfarmer | North-West Coast (De Grey River) | 1884 | WA Almanack |
| McKay | R. | Overseer | Yule River | 1885 | Herald Almanack |
| McKay | R. & Co. | Cordial Manfufacturer | Hannan Lane, Kalgoorlie | 1897 | Witton's Directory |
| McKay | R. & D. | Graziers and Pearlers | North-West Settlements(Yule River) | 1873 | WA Almanack |
| McKay | R. & D. | Graziers & Pearlers | North-West Settlement (Yule River) | 1874 | WA Almanack |
| McKay | R. & D. | Graziers & Pearlers | Yule River | 1875 | Herald Almanack |
| McKay | R. & D. | Grazier and Pearlers | North-West Settlements (Yule River) | 1875 | WA Almanack |
| McKay | R. & D. | Graziers & Pealer | Yule River | 1876 | Herald Almanack |
| McKay | R. & D. | Graziers &c. | North-West Settlements (Yule River) | 1876 | WA Almanack |
| McKay | R. L. | Pearler | Yule River | 1882 | Herald Almanack |
| McKay | R. L. | Pearler | Yule River | 1884 | Herald Almanack |
| McKay | R. L. & D. | Graziers & Pearlers | Yule River | 1873 | Herald Almanack |
| McKay | R. L. & D. | Graziers & Pearlers | North District, Yule River | 1874 | Herald Almanack |
| 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 |
