| MacLeod | C. J. | Hay 2167, Denbarker, via Mt. Barker | ML5 and 58F, 14B | 1962 |
| MacLeod | J. | Killara, Eradu | L4D and 46B, 23E | 1962 |
| MacLeod & Son | D. G. | Pimbee, Carnarvon | Y0U and 24D, 25E | 1962 |
| MacMahon | F. A. | Plantagenet 1414, 2720, 1451, 5259, Mount Barker | M4F and 50C, 106A | 1962 |
| MacMicking | C. T. | El Questro, Wyndham | 8XM and 27B, 5E | 1962 |
| MacMillan | J. | Woodstock, Esperance | 6MN | 1912 |
| MacMillan | J. | Woodstock, Esperance | 6MN | 1924 |
| MacNamara | H. W. M. | Lease N396, 838, Wyndham | 5HM and 108E, 116B | 1962 |
| MacNamara | J. R. | Gregstones, Williams | ON2 and 5D, 119E | 1962 |
| MacNamara | S. A. V. M. | Coyanavale, Manmanning | S0M and 33D, 48E | 1962 |
| MacNamara | William | Avon Locs. 14327 and 21549, Kalkalling | 9ZX | 1925 |
| MacNeill | P. T. | Lot 13, Uduc. Harvey | PN6 | 1962 |
| MacNish | F. D. N. | Craig Nish, Cardiff | 5MN | 1924 |
| MacNish | F. D. N. | Craig Nish, Cardiff, via Collie | 5MN and 52F, 3D | 1962 |
| Macphail | M. G. H. (Mrs) | Jingalup Lot 10, Katanning | DM1 and 54F, 14C | 1962 |
| MacPherson | A. G. & M. E. | The Glen, Nornalup | A0H and 4B, 109A | 1962 |
| MacPherson | A. V. (Mrs) | Plantagenet 2718, 1594-5, Mt. Barker | MA2 and 38C, 35E | 1962 |
| MacPherson | D. | Carnamah | 0SS | 1912 |
| MacPherson | D. | Rockdale, Newcastle | D7L | 1912 |
| MacPherson | D. | Carnamah | 0SS | 1924 |
| MacPherson | D. | Rockdale, Toodyay | D7L | 1924 |
| MacPherson | D. | Shieling, Wannamal | SH1 | 1924 |
| MacPherson | E. & M. | Commonage, Carnamah | 1ME | 1924 |
| MacPherson | E. H. D. | Glentromie, Mt. Barker | MP2 and 50B, 51F | 1962 |
| Macpherson | E. R. | Hardy Junction, Ashburton | MP2 | 1912 |
| MacPherson | E. R. | Hardy Junction, Asburton | MP2 | 1924 |
| MacPherson | E.& M. | Commonage, Carnamah | 1ME | 1912 |
| Macpherson | J. | Glenmore, Toodyay | 6MP | 1912 |
| MacPherson | J. | Glenmore, Toodyay | 6MP | 1924 |
| MacPherson | J. | Woongana, Buntine | JM3 and 50A, 23B | 1962 |
| MacPherson | J. E. | Lock Dale, Bolgart | JY5 | 1924 |
| Macpherson | James | Buntine | JM3 | 1928 |
| Macpherson | John | Dudinalup, Lower Blackwood | 3MP | 1912 |
| MacPherson | John | Dudinalup, Lower Blackwood | 3MP | 1924 |
| MacPherson | Lachlan | Gum Tree Farm, Northampton | IL0 | 1912 |
| MacPherson | Lachlan | Gum Tree Farm, Northampton | 1LO | 1924 |
| MacPherson | R. L. | Billabalong, Murchison | LO3 | 1912 |
| MacPherson | R. L. | Billabong, Murchison | LO3 | 1924 |
| MacPherson | T. C. A. | Location 18408, Dowerin | T5Z | 1924 |
| MacPherson & Son | T. C. | Inverness, Wyalkatchem | T5Z and 43D, 49E | 1962 |
| MacQuarie & Son | I. | Lorne, Koorda | 1ZM and 40D, 115E | 1962 |
| Macrae | A. J. | Craelea, Korrelocking | 0KV and 38A, 13C | 1962 |
| Macrae | Alick J. | Craclea, Roe Locs. 56 & 603, Newdegate | 0KV | 1925 |
| Macrae | N. F. | Dunbar, Katanning | N5M | 1912 |
| Macrae | N. F. | Dunbar, Katanning | N5M | 1924 |
| Macri | J. | Lots 5 and 6, Kelmscott | M8J and 102D, 12E | 1962 |
| Macri | V. | Vinup, Kojonup | V8M and 113A, 9B | 1962 |
| MacRitchie | D. N. | Nelson 10254-5, Part 9712, Nortcliffe | 5DM and 34C, 43A | 1962 |
| MacRitchie | F. | Nelson Loc. 10254-5, Northcliffe | M9F | 1962 |
| MacRoberts | H. K. | Hall's Creek | HK6 | 1912 |
