| MacKail & Co. | - | Merchants | Albany | 1875 | Herald Almanack |
| MacKail & Co. | - | Merchants | Albany | 1875 | WA Almanack |
| Mackay | & Co. | | Essex Street, Fremantle | 1897 | Witton's Directory |
| MacKay | A. | Settler | North-West Settlements (Roebourne Harding River) | 1870 | WA Almanack |
| MacKay | A. R. | Stockowner | North-West Settlements Roebourne (Harding River) | 1868 | WA Almanack |
| MacKay | A. R. | Settler | North-West Settlements (Roebourne) (Harding River) | 1869 | WA Almanack |
| MacKay | A. R. | Settler | North-West Settlements (Roebourne Harding River) | 1870 | WA Almanack |
| MacKay | A. R. | Settler | North-West Settlements (Roebourne(Harding River)) | 1872 | WA Almanack |
| MacKay | D. | Pearler & Grazier | Yule River | 1879 | Herald Almanack |
| MacKay | D. | Station Overseer | Yule River | 1879 | Herald Almanack |
| MacKay | D. | Pearler & Grazier | Yule River | 1880 | Herald Almanack |
| MacKay | D. | Station Overseer | Yule River | 1880 | Herald Almanack |
| MacKay | D. | Pearler and Grazier | North-West Coast (Yule River) | 1880 | WA Almanack |
| MacKay | D. | Station Overseer | North-West Coast (Yule River) | 1880 | WA Almanack |
| MacKay | D. | Pearler & Grazier | Yule River | 1881 | Herald Almanack |
| MacKay | D. | Station Overseer | Yule River | 1881 | Herald Almanack |
| MacKay | D. | Pearler & Grazier | North-West Coast (Yule River) | 1881 | WA Almanack |
| MacKay | D. | Station Master | North-West Coast (Yule River) | 1881 | WA Almanack |
| MacKay | D. | Grazier | North-West Coast (Yule River) | 1882 | WA Almanack |
| Mackay | D. | Pearler & Grazier | Yule River | 1883 | Herald Almanack |
| Mackay | D. | Station Overseer | Yule River | 1883 | Herald Almanack |
| MacKay | D. sen. | Grazier | North-West Coast (Yule River) | 1882 | WA Almanack |
| Mackay | John | Schoolmaster | Southern Cross | 1897 | Witton's Directory |
| Mackay | Jos. | Estate Agent | 48 Murray Street, Perth | 1897 | Witton's Directory |
| MacKay | R. L | Pearler and Grazier | North-West Coast (Yule River) | 1880 | WA Almanack |
| MacKay | R. L. | Pearler & Grazier | Yule River | 1879 | Herald Almanack |
| MacKay | R. L. | Pearler & Grazier | Yule River | 1880 | Herald Almanack |
| MacKay | R. L. | Pearler & Grazier | North-West Coast (Yule River) | 1881 | WA Almanack |
| MacKay | R. L. | Grazier | North-West Coast (Yule River) | 1882 | WA Almanack |
| Mackay | R. L. | Pearler | Yule River | 1883 | Herald Almanack |
| Mackay | R. L. | Farmer & Grazier, London | Preston | 1897 | Witton's Directory |
| MacKay | R.L. | Pearler | Yule River | 1881 | Herald Almanack |
| Mackenzie | A. W. | | Hutt Street, Perth | 1897 | Witton's Directory |
| Mackenzie | Hugh | Ship Inn | Albany | 1864 | WA Almanack |
| Mackenzie | Hugh | Victualler | Albany | 1865 | WA Almanack |
| Mackenzie | Hugh | Victualler | Albany | 1866 | WA Almanack |
| Mackenzie | Hugh | Victualler | Albany | 1867 | WA Almanack |
| Mackenzie | Hugh | Victualler | Albany | 1868 | WA Almanack |
| Mackenzie | Hugh | Victualler | Albany | 1869 | WA Almanack |
| Mackenzie | Hugh | Victualler | Albany | 1870 | WA Almanack |
| Mackenzie | John | Whaler | Albany | 1864 | WA Almanack |
| Mackenzie | John | Whaler | Albany | 1865 | WA Almanack |
| Mackenzie | John | Whaler | Albany | 1866 | WA Almanack |
| Mackenzie | John | Whaler | Albany | 1867 | WA Almanack |
| Mackenzie | John | Whaler | Albany | 1868 | WA Almanack |
| Mackenzie | John | Whaler | Albany | 1869 | WA Almanack |
| Mackenzie | John | Whaler | Albany | 1870 | WA Almanack |
| Mackenzie | Lieut R.N. | Farmer | Blackwood | 1876 | WA Almanack |
| MacKenzie | T. A. | Market Gardener | Perth | 1868 | WA Almanack |
| MacKenzie | T. A. | Market Gardener | Perth | 1869 | WA Almanack |