| McKay | J. | Detective | Fremantle | 1880 | WA Almanack |
| McKay | J. | Detective | Fremantle | 1881 | WA Almanack |
| McKay | J. | Detective | Fremantle | 1882 | WA Almanack |
| McKay | J. | Farmer | Murray (Marinup) | 1882 | WA Almanack |
| McKay | J. | Detective Sergeant. | Fremantle | 1883 | WA Almanack |
| McKay | J. | Detective Sergt. | Fremantle | 1884 | WA Almanack |
| McKay | J. | Farmer | Murray (Marinup) | 1884 | WA Almanack |
| McKay | J. | Sergt. of Police & Baliff L. C. | Busselton | 1885 | Herald Almanack |
| McKay | J. | Teamster | Northampton | 1885 | Herald Almanack |
| McKay | J. | Farmer | Murray (Marinup) | 1886 | WA Almanack |
| McKay | J. | Sergt Police | Sussex (Busselton) | 1886 | WA Almanack |
| Mckay | J. | Farmer | Marinup | 1887 | WA Almanack |
| McKay | J. | Farmer | Murray (Murray) | 1888 | WA Almanack |
| McKay | J. | Farmer | Murray | 1889 | WA Almanack |
| McKay | J. | Farmer | Pinjarra | 1897 | Witton's Directory |
| McKay | J. C. | Draper, Clothier | Bayley Street, Coolgardie | 1897 | Witton's Directory |
| McKay | J. H. | Manager Great Ophir Gold Mine | Abbott's, Nannine | 1897 | Witton's Directory |
| McKay | James | Baker | Fremantle | 1878 | Herald Almanack |
| McKay | James | Baker | Fremantle | 1879 | Herald Almanack |
| McKay | James | Baker | Fremantle | 1879 | WA Almanack |
| McKay | James | Baker | Fremantle | 1880 | WA Almanack |
| McKay | Jas. | Carpenter | York | 1897 | Witton's Directory |
| McKay | Jno. | Teamster | Victoria District (Northampton) | 1880 | WA Almanack |
| 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 |
