| McKinnon | Wm. | Plantagenet | WM1 | 1924 |
| McKittrick | A. | Block 11595/74, Nannup | 7MN | 1912 |
| McKittrick | A. | Block 11595/74, Nannup | 7MN | 1924 |
| McKittrick | A. H. | Loc.3568, Nannup | 8MK | 1912 |
| McKittrick | A. H. | Loc. 3568 Nannup | 8MK | 1924 |
| McKittrick | A. H. | Loc. 3568, Nannup | 8MK | 1962 |
| McKittrick | G. A. H. | Nelson 1136, Carlotta | 7MN | 1962 |
| McKittrick | J. M. & J. T. | Nelson Loc. 11204, Carlotta Via Nannup | 8VM | 1962 |
| McKittrick | J. T. | Block 3559, Nannup | M6T | 1912 |
| McKittrick | J. T. | Block 3559, Nannup | M6T | 1924 |
| McKittrick Bros. | - | Block 3568, Nannup | M6T and 58F, 118D | 1962 |
| McKonkey | John T. | Rudd's Gully, via Geraldton | K9J | 1924 |
| McLachlan | N. | Windy Ridge Farm, Yallingup | MC7 | 1962 |
| McLachlan | R. N. | Mytton Hall, Dongolocking | 7OT | 1927 |
| McLachlan & Son | R. N. | Merrylands Dumbleyung | 7OT and 3D, 39E | 1962 |
| McLagan | W. J. & G. R. | Kelvin Grove and Mountjoy, Miling | M6V and 6C, 3A | 1962 |
| McLaren | A. & J. | Woodland, Lowden | HM4 and 20C, 35E | 1962 |
| McLaren | Hector G. | Lenswood, Yoting | HM1 | 1928 |
| McLaren | J. | The Laurels, Williams Loc.9761, Nyabing | 6LK and 25A, 20B | 1962 |
| McLaren | J. R. | Cooloolie, Wongon Hills | 9JM and 71A, 47B | 1962 |
| McLaren | James | Hilton, Lake Pingarnup, Nyabing | 6LK | 1924 |
| McLaren | James Chester | Lease 20/1954, Wubin | 2QN | 1924 |
| McLaren | W. | Vict. Locs. 6337 & 5971, Bindoo, Weirmonger | XN8 | 1924 |
| McLaren | W. & V. | Forrest Road, Jandakot | 0VL | 1962 |
| McLaren | W. G. | Locs. 20 and 21, Nyabing | Y3V | 1962 |
| McLaren | W. J. R. | Valley View, Ptn. 1860, Parkerville | MC7 | 1962 |
| McLaren | Wm. Alfred C. | Herne Hill | Q0P | 1924 |
| McLarty | D. H. | Blythewood, Pinjarra | 7VL | 1912 |
| McLarty | D. H. | Blythewood, Pinjara | 7VL | 1924 |
| McLarty | Est. of Late A. N. | Caris park, Pinjarra | 1MC and 28D, 20E | 1962 |
| McLarty | H. D. & D. R. | Loc. 16, Pinjarra | 7JE and 25D, 22E | 1962 |
| McLarty | J. E. & H. | Greenland, Pinjarra | JH7 and 102C, 15E | 1962 |
| McLarty | R. E. | Glencoe, Pinjarra | O2Y and 20D, 20E | 1962 |
| McLarty | W. E. C. & D. H. | Blythewood, Pinjarra | 7VL and 102C, 15A | 1962 |
| McLaughiln & Gregor | - | Euralinda, Wyndham | 7ZK | 1912 |
| McLaughlan | A. | Lot 665, Peel Estate, Jandakot | YA4 | 1924 |
| McLaughlin | E. & M. O. | Paringa, Boyup Brook | BE7 and 53F, 13C | 1962 |
| McLaughlin | T. | Robb's Jetty, South Fremantle, Newcastle Street, Perth | TN0 | 1924 |
| McLaughlin | Thos. | Omalinda, Wyndham | BR0 | 1912 |
| McLaughlin | Thos. | Omalinda, Wyndham | BR0 | 1924 |
| McLaughlin Bros. | - | Lots 24 & 25, Kunjin Area, Kunjin | 9ZB | 1924 |
| McLean | A. H. | Sussex Loc. 3864, Metricup | 2UP | 1962 |
| McLean | Alex | Forrestville, Bencubbin | Q3L | 1924 |
| McLean | C. G. | Uralla, Beverley | 2CM and 13B, 39A | 1962 |
| McLean | C. J. | Roe Loc. 1607-8 Esperance 1538, Newdgate, Esperance | 6MX and 29D, 119E | 1962 |
| McLean | C. W. | 1595, 1760, 2390 Nelson, Boyup Brook | 3CM and 106B, 14A | 1962 |
| McLean | D. | County Peak, Bally Bally | D8M | 1912 |
| McLean | D. | Roe 1663, Lake Camm Via Newdegate | 1DL and 50D, 19E | 1962 |
| McLean | D. H. | County Peak, Bally Bally | D8M | 1924 |
| McLean | Donald | Bonnie Vale Farm Waderin, via Bruce Rock | D7Q | 1924 |
