| McGregor | Gavin F. | Comet Vale, Quindalup | JU1 | 1912 |
| McGregor | Gavin F. | Comet Vale, Quindalup | JU1 | 1924 |
| McGregor | J. R & H. W. | Wellington 688, 3342, 3232-3, Yarloop | M7G and 3B, 114A | 1962 |
| McGregor | R. | Tone River Farm, Kulikup | U1Y | 1926 |
| McGregor | R. | Spring Valley, Busselton | U3Y and 12C, 12E | 1962 |
| McGregor | Robt. | Mickalarup, Upper Blackwood | U1Y | 1924 |
| McGregor | S. R & C. M. | Southend, Mullewa | Q0N and 29E, 37E | 1962 |
| McGregor | W. | Sussex Loc 1596, Bramley via Margaret River | W7M and 20B, 41E | 1962 |
| McGregor | W. H. | Block No. 332, Loc. 2, Queens Park | 6YZ | 1924 |
| McGregor & Co | - | Carlindie, Port Hedland | P1N | 1924 |
| McGregor & Co. | - | Carlindie, Port Hedland | P1N | 1912 |
| McGregor & Dalgleish | - | Tone River Farm, Kulkup | U1Y | 1925 |
| McGriskin | W. | Mt.Brown, York | 0QG | 1924 |
| McGuckin | Peter | Mt. Barker, Mt. Barker | PM7 | 1912 |
| McGuckin | Peter | Mt. Barker | PM7 | 1924 |
| McGuigan | Agnes J. | Yarrawee, Wyola | MG9 | 1912 |
| McGuigan | Agnes J. | Yarrawee, Wyola | MG9 | 1924 |
| McGuiness | Bernard | Bootenal, Greenough Flats | BM1 | 1912 |
| McGuiness | Bernard | Bootenal, Greenough Flats | BM1 | 1924 |
| McGuiness | E. | Mia Mia Farm, Protheroc P.O. | M3Z | 1924 |
| McGuiness | E. M. | Locs 1176-7, 998, Bootenal | O1A | 1962 |
| McGuiness | J. | Locs 45-8, Nanson | MG2 and 45D, 48E | 1962 |
| McGuiness | Jas Hy. | Bootenal, Greenough, Mt.Erin, Greenough | JM0 | 1924 |
| McGuiness | Jas. | Kylong, Isseka, Northampton | M7Z | 1924 |
| McGuiness | Jas. Henry | Bootenal, Greenough, Mt. Erin, Greenough | JM0 | 1912 |
| McGuiness | Jno. | Greenough District, Bootenal | MG2 | 1924 |
| McGuiness | Jos. | Greenough District, Bootenal | MG2 | 1912 |
| McGuiness | O. A. | Pt 747, 998, 2267, 1176, 1177, 1021, 5562, Bootenal | BM2 and 45B, 48E | 1962 |
| McGuiness | V. F. | 1945 Cabin, Geraldton | VM6 and 21B, 44E | 1962 |
| McGuiness Bros. | Jas. J., & M. O. | Raheen Farm, Mullewa | MG0 | 1927 |
| McGuinness | E. M. | Bootenal Farm, Bootenal | 0LA | 1924 |
| McGuinness | J. L. | Blocks 11063 and 11064, North Hine's Hill | J1M | 1912 |
| McGuinness | J. L. | Blocks 11063 and 11064, North Hines Hill | J1M | 1924 |
| McGuinness | Paul Joseph | Mt. Morawa; Morawa | P7M | 1928 |
| Mcguire | G. J. | 5955, 7414, Kojonup | GJ5 and 107B, 28A | 1962 |
| McGuire | J. B. | Palmyre, Jindalup via Kojonup | B5M and 55F, 47D | 1962 |
| McGuire | Jos. P. | Mooralup, Broomehill | 3JP | 1912 |
| McGuire | Jos. P. | Mooralup, Broomehill | 3JP | 1924 |
| McGuire | L. R. | Loc 5293, Mt Many Peaks via Albany | 3LM and 36B, 102E | 1962 |
| McGuire | M. T. | 5099, 5081, Kojonup | M6G and 11B, 22A | 1962 |
| McGuire | Phillipe | Peak Station, Onslow | 3PG | 1924 |
| McGuire | T. J. | Fermoy, Broomehill | 2GM and 3B, 5E | 1962 |
| McGuire | Thos. | Fermor, Broomehill | 2GM | 1912 |
| McGuire | Thos. | Fermor, Broomehill | 2GM | 1924 |
| McGuire & Tonkin | T. P. & F. F. | Red Hill, Onslow | SK2 | 1924 |
| McHardy | J. & M. | Deeside, Needelup | NJ9 | 1924 |
| McHardy | M. | Braeside, Needilup | NJ9 and 20C, 32A | 1962 |
| McHardy | N. E. & L. J. | 596, 593, Needilup via Ongerup | 1MB and 24B, 21A | 1962 |
| McHugh | A. E. | Mugga Muggin, Wongamine | Z8U | 1924 |
| McHugh | E. H. | Muthawandery, Dandaragan | 4EM and 43B, 9E | 1962 |
