| McKay | A. R. | Pearler | Pearler without a Fixed Residence | 1876 | Herald Almanack |
| McKay | A. R. | Pearler | North-West Settlements (Pearlers Without a Fixed Residence) | 1876 | WA Almanack |
| McKay | A. R. | Non-Resident-Pearlers | North-West Coast | 1877 | Herald Almanack |
| McKay | A. R. | Pearler | North-West Coast - Non-Resident Pearlers | 1878 | Herald Almanack |
| McKay | Alex | Chemist | Perth | 1887 | WA Almanack |
| McKay | Alex | Chemist | Perth | 1889 | WA Almanack |
| McKay | Alex. | Chemist | Perth | 1888 | WA Almanack |
| McKay | Andrew | Farmer | Wagerup | 1897 | Witton's Directory |
| McKay | B. | Grazier | North-West Coast (Roeburne & Cossack) | 1879 | WA Almanack |
| McKay | D. | - | North-West Coast - Yule | 1877 | Herald Almanack |
| McKay | D. | - | North-West Coast - Yule | 1878 | Herald Almanack |
| McKay | D. | - | North-West Coast (Roeburne & Cossack) | 1879 | WA Almanack |
| McKay | D. | Pearler & Grazier | Yule River | 1882 | Herald Almanack |
| McKay | D. | Station Overseer | Yule River | 1882 | Herald Almanack |
| McKay | D. | Pearler & Grazier | Yule River | 1884 | Herald Almanack |
| McKay | D. | Station Overseer | Yule River | 1884 | Herald Almanack |
| McKay | D. | Sheepfarmer | North-West Coast (De Grey River) | 1884 | WA Almanack |
| McKay | D. | Pearler & Grazier | Yule River | 1885 | Herald Almanack |
| McKay | D. | Station Overseer | Yule River | 1885 | Herald Almanack |
| McKay | D. | Sheep Farmer | North-West Coast (Degray River) | 1886 | WA Almanack |
| McKay | D. D. | Pearler | North-West Coast (De Grey River) | 1884 | WA Almanack |
| McKay | D. D. | Pearler | North-West Coast (Degray River) | 1886 | WA Almanack |
| McKay | H. | Goodsheds E. R. | Fremantle | 1887 | WA Almanack |
| McKay | H. | Railway Goodsheds | Fremantle | 1888 | WA Almanack |
| McKay | J. | Police Constable | Fremantle | 1873 | WA Almanack |
| McKay | J. | Police Constable | Fremantle | 1874 | WA Almanack |
| McKay | J. | Detective | Fremantle | 1879 | WA Almanack |
| 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 |
