| McCullagh | W. | Fair View, Gnowangerup | MC2 | 1912 |
| McCulloch | Ed. | Rosedale Farm, Lake Brown, Burracoppin | 4ZX | 1912 |
| McCulloch | Ed. | Rosedale Farm, Lake Brown, Burracoppin | 4ZX | 1924 |
| McCulloch | J. M & F. E. | Creswick, Ravensthorpe | Q2K and 43C, 32A | 1962 |
| McCulloch | Jas. | Ennogera, Kellerberrin | MC8 | 1912 |
| McCulloch | Jas. | Ennogera, Kellerberrin | MC8 | 1924 |
| McCulloch | Matthew | Creswick, Ravensthorpe | Q2K | 1924 |
| McCulloch & Terone | - | Mount Luke, Turkey Creek | 7TL | 1912 |
| McCullock | David. F. | Norseman | LD8 | 1924 |
| McCullock | T. A. | Lake Brown, via Burracoppin | ET8 | 1924 |
| McCullock & Terone | - | Mount Luke, Turkey Creek | 7TL | 1924 |
| McCullough | W. A. | Nelson Locs. 9522, 5040, Manjimup | MC4 and 115D, 13E | 1962 |
| McCune | J. | St Ritas, Mandogalup | Q3N | 1962 |
| McCusker | J. & J. T. | 2364 bussleton | BM3 | 1962 |
| McCutcheon | James H. | Ganna Mya; Salmon Gums | JH6 | 1928 |
| McDaniel | Ed. | Busselton | 0ED | 1912 |
| McDaniel | Ed. | Busselton | 0ED | 1924 |
| McDaniel | Lewis | Burekup and Australind | ND5 | 1924 |
| McDaniell | J. | Richlands, Armadale | 1MD and 11C, 17E | 1962 |
| McDermitt | I. | East Murchison | 0TT | 1924 |
| McDermott | A. B. | Oakland Farm, Toodyay | Z0A | 1924 |
| McDermott | A. J. | Springfield 18266, 18275, 24155-6, Muntadgin | M0D and 38B, 10E | 1962 |
| McDermott | C. D. | Neugin, Newcastle | 3MD | 1912 |
| McDermott | C. D. | Neugin, Toodyay | 3MD | 1924 |
| McDermott | Eliza | Gum Tree Farm, Greenough | M0T | 1912 |
| McDermott | Eliza | Gum Tree Farm, Greenough | M0T | 1924 |
| McDermott | F. | Beatonsfield, Yandanooka | FM9 | 1912 |
| McDermott | F. | Beatonsfield, Yandanooka | FM9 | 1924 |
| McDermott | Jas. L. | Oaklands, Newcastle | 1JM | 1912 |
| McDermott | Jas. L. | Oaklands, Toodyay | 1JM | 1924 |
| McDermott | Jos. | Mullewa, Mullewa | M6C | 1912 |
| McDermott | Jos. | Mullewa | M6C | 1924 |
| McDermott | Michael E. | Ongerup | DE8 | 1924 |
| McDermott | T. | Commonage, Carnarvon | MO3 | 1924 |
| McDermott & North | - | Loc. U, Lots 2 and 3, Toodyay | 2NN | 1924 |
| McDermott & Sons | J. T. | Hope Dale, Toodyay | 7JK | 1912 |
| McDermott & Sons | J. T. | Hope Dale, Toodyay | 7JK | 1924 |
| McDiarmid | G. W. | Winterton, Mullewa | DC2 and 23D, 4E | 1962 |
| McDiarmid & Sons | M. J. | Neugin, Toodyay | 3MD and 4B, 34E | 1962 |
| McDoiugall | C. V | Lallarook, Warup | V1M and 41B, 118A | 1962 |
| McDonagh | Annie | Henry Street, Cannington | A6M | 1912 |
| McDonagh | Annie | Henry Street, Cannington | A6M | 1924 |
| McDonald | A. | Mertondale, Leonora | AD6 and 45B, 7A | 1962 |
| McDonald | A. J. & M. | 6452, 10053, 3107, 6713, 6763, 6313, 9082, Beverley | 7MN and 84A, 25B | 1962 |
| McDonald | A. P. | 31 Lot, Hales Road Mongaroon Station, Wattle Grove, Carnarvon | MD9 21E, 108B | 1962 |
| McDonald | Alex | Commonage, Ballangerch, Meekatharra | 7MZ | 1924 |
| McDonald | Alex | Cullinger, Pingelly | MD6 | 1924 |
| McDonald | Alex. | Cullingar, Pingelly | MD6 | 1912 |
| McDonald | Andrew | Gnowangerup, Broomehill | AD6 | 1912 |
| McDonald | Andrew | Gnowangerup, Broome Hill | AD6 | 1924 |
