| McMahon | K. W. | Winton Park, Tambellup | 0KM and 50B, 29E | 1962 |
| McMahon | M. A. | Towerlup, Kojonup | MM9 | 1912 |
| McMahon | M. A. | Towrlup, Kojonup | MM9 | 1924 |
| McMahon | M. E. | Corumbeen, Noman's Lake, East Narrogin | 4ON | 1924 |
| McMahon | Michael | Yard and Commonage, Cranbrook, Cranbrook Hotel | Z5M | 1924 |
| McMahon | N. J. | Mayfield, Pinjarra | R8Y | 1924 |
| McMahon | P. J. | Calarney, Mernlup, Wagin | PM9 | 1912 |
| McMahon | P. J. | Calarney, Mernlup, Wagin, East | PM9 | 1924 |
| McMahon | Peter Thos. | Commonage, Southern Cross | PU8 | 1924 |
| McMahon | R. J. | A. 1124, Denbarker, Via Mt. Barker | RN3 and 36E, 114B | 1962 |
| McMahon | T. H. | Petworth Park, Moora | 4PY and 37B, 116E | 1962 |
| McMahon | Thomas Michael | Fitzgerald 596, Circle Valley, Norseman Road | 2QX | 1925 |
| McMahon | W. F. | Kincora, Moora | 1WM and 13D, 20E | 1962 |
| McManaway | Jno. | Sandstone | M4Y | 1912 |
| McManaway | Jno. | Sandstone | M4Y | 1924 |
| McManus | Chas. | Lilydale, Northam | CM3 | 1912 |
| McManus | Chas. | Lilydale, Northam | CM3 | 1924 |
| McManus | E. & C. | Hill View Farm, Warbrook | E2Z | 1924 |
| McManus | J. G. | Jindawarrabelle, Kudardup | J4M and 10D, 47E | 1962 |
| McManus | Jas. | Irish Town, Northam | JM4 | 1912 |
| McManus | Jas. | Irishtown, via Northam | JM4 | 1924 |
| McManus | L. | Oaklands, Southern Brook | L3M and 18D, 40E | 1962 |
| McManus | Lionel | Northam | L3M | 1928 |
| McManus | Stephen | Mungilan, Goomalling | 8OO | 1924 |
| McManus | Vernon Jos. | Currabine, Irishtown Road, Northam | U7N | 1924 |
| McMaster | Chas. | Pastoral Leases 1384-5-6/74, Mt. Ida, via Menzies | 2MZ | 1924 |
| McMaster | Headley | Lot 2948/102, Mt. Ida, via Menzies | MV0 | 1924 |
| McMaster | R. T. | Holmwood, Hine's Hill | 1MM | 1912 |
| McMaster | R. T. | Holmwood, Hine's Hill | 1MM | 1924 |
| McMeikan | J. R. | Polygon Wood, Avon 19672, 14485-6, Babakin | 1MM and 44D, 14E | 1962 |
| McMeikan | R. | Macedon, Kurrenkutten | R9M | 1912 |
| McMiles | W. C. | Locs. 19668, 17283, 13405, Corrigin | WM9 and 13B, 27E | 1962 |
| McMiles | W. C. & I. L. | Willow Glen, Corrigin | 4WM and 49B, 46A | 1962 |
| McMillan | A. | 8773-4, 8770, 11153-5, Northcliffe | 6YZ | 1962 |
| McMillan | Annie | Wandalla, Tenterden | MM2 | 1924 |
| McMillan | J. D. | Gwenroy, Galena | 0QV | 1925 |
| McMillan | R. | Hope Farm, Muresk | 7VY | 1924 |
| McMorran | R. C. | 19167, 2640, 2639, Dowerin | 2OU and 33B, 14E | 1962 |
| McMorran | T. & G. | Hillside, Dowerin | 3TM and 49A, 43C | 1962 |
| McMullen | A. & W. | Campside, Greenhills | 4AW | 1912 |
| McMullen | A. & W. | Campside, Greenhills | 4AW | 1924 |
| McMullen | J. H. | Avonside, Mt. Hardy | 5MH | 1912 |
| McMullen | J. H. | Avonside, Mt. Hardy | 5MH | 1924 |
| McMullen | P. S. | Glenmore, Coomberdale | PV2 | 1924 |
| McMullin | V. S. & C. | Merwyn Downs, Williams | LA1 and 4C, 29E | 1962 |
| McNab | H. | Glencoe, Donnybrook | N8B | 1912 |
| McNab | H. | Glencoe, Donnybrook | N8B | 1924 |
| McNab | R. B. | Glencoe, Donnybrook | N8B and 8D, 21E | 1962 |
| McNabb | D. | Stearling Park, Tammin | DM6 | 1912 |
| McNabb | D. | Stearling Park, Tammin | DM6 | 1924 |
