| McGlew | L. E. | Lot 4, Swan Loc. 1671, Glen Forrest | 9LU | 1924 |
| McGlew | W. H. | Springside, Smith's Mill. Avocadale, Donnybrook | H8M | 1912 |
| McGlew | W. H. | Springside, Smith's Mill, Avocadale, Donnybrook | H8M | 1924 |
| McGlew & Co | C. R. | Seaton Ross, Beverley | AM7 and 18B, 34A | 1962 |
| McGlew & Hanley | - | Alawa Park, South Morawa via Mingenew | 2MY | 1912 |
| McGlew & Hanley | - | Alawa Park, South Morawa, via Mingenew | 2MY | 1924 |
| McGlinn | E. P. J. | Doric 1459 Kent, Gairdner River via Jerramungup | 3EM and 46C, 40E | 1962 |
| McGlinn | G. D. | Garlan Downs, Kentdale via Denmark | 5KM | 1962 |
| McGlinn | M. L. & R. W. | Biddy Hills, Lake Biddy | VB6 and 37B, 119E | 1962 |
| McGlinn | P. E. & M. T. | 156, 835, 1196, 157, 950, Lake Biddy | W3P and 37B, 12E | 1962 |
| McGlip | A. A. | Petan Farm, Carnamah | 8MG | 1912 |
| McGlynn | Patrick | East Dalwallinu | P2M | 1927 |
| McGougan | A. | Gleanbeag, South Coogee | MZ9 | 1962 |
| McGough | Coleman | Rose Glen Farm, Cuballing | X0M | 1924 |
| McGough | J. Hy. | Mt. Pleasant Farm, Cuballing | M5H | 1912 |
| McGough | J. Y. | Mt. Pleasant Farm, Cuballing | M5H | 1924 |
| McGowan | Barnett | The Commonage, Carnarvon | X8P | 1924 |
| McGowan | J. & E. | Springfield Farm, Popanyinning | JM6 and 11B, 41E | 1962 |
| McGowan | Jas. | Leonora | M7G | 1912 |
| McGowan | Jas. | Leonora | M7G | 1924 |
| McGowan | M. | Cambine, Watheroo | N1G | 1924 |
| McGrath | A. P. | Stock Grass Farm, Yoranning | MA8 | 1912 |
| McGrath | Fred. T. | Commonage, Carnarvon | 7TG | 1924 |
| McGrath | J. | Commonage, Carnarvon | JG5 | 1912 |
| McGrath | J. | Commonage, Carnarvon | JG5 | 1924 |
| McGrath | J. L. | Koondorrie, Onslow | JL3 | 1912 |
| McGrath | J. L. | Koondorrie, Onslow | JL3 | 1924 |
| McGrath | J. P. | Kulli Station, Murgoo via Yalgoo | 3MG | 1912 |
| McGrath | J. P. | Kalli Station, Murgoo, via Yalgoo | 3MG | 1924 |
| McGrath | J. W. | Stock Hill, Beverley | M1G | 1912 |
| McGrath | John Wm. | Stock Hill, Youraling, via Beverley | M1G | 1924 |
| McGrath | M. J. L. & M. F. | Koordarrie Station, Onslow | K1X and 33D, 5E | 1962 |
| McGrath | Thos. Terence | Arthurville, Yornanning | MA8 | 1924 |
| McGrath | Wm. | Mt. Amy, Onslow | W2G | 1912 |
| McGrath | Wm. | Mt. Amy, Onslow | W2G | 1924 |
| McGrath & Co | T. L. | 48-9, 50, Wokalup | MC1 and 103B, 33E | 1962 |
| McGrath & Son | J. | Peak Station, Ashburton River, Onslow | 1MG | 1912 |
| McGrath & Son | J. | Peak Station, Ashburton River, Onslow | 1MG | 1924 |
| McGrath & Sons | J. W. | Stock Hill, Brookton | M1G and 3C, 20E | 1962 |
| McGrath & Wright | - | Koordarrie Station, Onslow | K1X | 1924 |
| McGrath Bros. | - | Marble Bar | 9MM | 1912 |
| McGrath Bros. | - | Marble Bar | 9MM | 1924 |
| McGree | J. A. | Block 25276/55, Dalwallinu | M6G | 1912 |
| McGree | J. A. | Block 25276/55, Dalwallinu | M6G | 1924 |
| McGregor | A. J. | Hazeldene, Narembeen | H6E and 49D, 33E | 1962 |
| McGregor | A. W. | Woodside, Busselton | U3Y | 1924 |
| McGregor | D. E. | Wandilla, Kondinin | D3M and 5D, 109E | 1962 |
| McGregor | D. W. | Comet Vale, Quindalup | YW1 | 1912 |
| McGregor | D. W. | Comet Vale, Quindalup | YW1 | 1924 |
| McGregor | G. W. | 39, 176, 31, 40, 256, 1052, 23, Bussleton | JU1 | 1962 |
