| Messenger | H. K. | Mungirocking, Beverley | H7M | 1924 |
| Messer & Thompson | - | kurrajong, Kundanilling | 3TM | 1912 |
| Meston | R. E. | Avon 1831 Lot 24, Bolgart | R5M and 80D, 33E | 1962 |
| Meston & Sons | W. F. | Brooklea, Avon 1834/4, Bolgart | MJ2 and 6C, 104E | 1962 |
| Metaxas & Keeatos | - | Geraldton M. Kl., Geraldton | N5K | 1924 |
| Metcalf | A. A. | Dowerin | 6AM | 1912 |
| Metcalf | A. A. | Dowerin | 6AM | 1924 |
| Metcalf | A. A. | Linden Hill, Dowerin | 6AM and 30B, 24E | 1962 |
| Metcalf | B. A. | Glendawn, Waylkatchem | A8M and 109A, 37B | 1962 |
| Metcalf | D. C. A. | Eyredale, Dowerin | D1M and 14D, 114E | 1962 |
| Metcalf | E. A | Canaan Farm, Wyalkatchem | LD2 and 48A, 25B | 1962 |
| Metcalf | E. B. | Rockdale Farm, Dowerin | E8M | 1912 |
| Metcalf | E. B. | Rock Dale Farm, Dowerin | E8M | 1924 |
| Metcalf | E. M. ( Mrs) | Loc. 142-3, Dowerin | M1M and 48D, 54F | 1962 |
| Metcalf | F. H. | Corolin, Northam | G2L and 29D, 46E | 1962 |
| Metcalf | Harold A. | Glen Hope. Minnivale | OM9 | 1924 |
| Metcalf | I. &. K. | Ravenswood, Wongan Hills | 6GE and 26B, 18A | 1962 |
| Metcalf | J. T. | Koomberkine, Dowerin | 9JM | 1912 |
| Metcalf | J. T. | Komberkine, Dowerin | 9JM | 1924 |
| Metcalf | K. R. | Glen Mont, Hindmarsh, via Dowerin | K6M and 21A, 50B | 1962 |
| Metcalf | M. P. | Ucarty, Dowerin | Y4B and 84D, 23E | 1962 |
| Metcalf | Mrs D. M. | Rock Dale Farm, Dowerin | M6O | 1924 |
| Metcalf | O. R. | Glen Hope, Hindmarsh via Dowerin | OM9 and 31B, 22E | 1962 |
| Metcalf | P. R. | Rockdale, 7285, 60252, 7501, 8595, 8517, 7816, Dowerin | PR0 and 32D, 80E | 1962 |
| Metcalf | R. F. | Avon 8722, 12768, 17347-8, 12339, Dowerin | R0F and 10B, 50E | 1962 |
| Metcalf | R. R. & J. | Kargina, Narembeen | 5RM and 43B, 14A | 1962 |
| Metcalf | W. D. & G. M. | Mareeba Park, Dowerin | 7DU and 12D, 84E | 1962 |
| Metcalf & Sons | J. F. W. | Wheeldon Vale, Koambekine, via Dowerin and Moore Park Farm, Mogumber | 9JM and 32B, 37A | 1962 |
| Metcalfe | F. | Perenjori | YF9 | 1924 |
| Metcalfe | F. | Stanfordale, Perenjori | YF9 and 38C, 20E | 1962 |
| Metcalfe | J. T. | Koolaska, Perenjori | M6Z and 22E, 43D | 1962 |
| Metcalfe | John | Mingenew | M6Z | 1924 |
| Metcalfe | John Henry | 45 and 46, Nalkain | 6AQ | 1925 |
| Metcalfe | V. M. (Mrs) | Yarravale, Perenjori | 1VM and 20D, 47E | 1962 |
| Metcalfe & Sons | J. F. | Glenalan, Nalkain | 6AQ and 113E, 33B | 1962 |
| Metcalfe Thompson & Co | - | Pardoo Station, Condon | 7UT | 1912 |
| Metcalfe Thompson & Co. | - | Pardoo Station, Condon | 7UT | 1924 |
| Methodist Boys Home | - | Methodist Boys Home, Werribee | B0Y and 22B, 41A | 1962 |
| Methven & Plint | - | Tweed River, Upper Blackwood | M5P | 1912 |
| Methven & Plint | - | Tweed River, Upper Blackwood | M5P | 1924 |
| Metson | Thos. Geo. | Weylands, Cowcowing, via Korrelocking | TG9 | 1924 |
| Mettain | Arthur W. | Loc. 20/1738, Quelagetting, via Cunderdin | 7AQ | 1924 |
| Metz | E. | Manyutup, Ravensthorpe | E9M and 47A, 36B | 1962 |
| Metzke | A. | Pastoral Lease 1891/102, Lake Darlot | AM6 | 1912 |
| Metzke | A. | Pastoral Lease 1891/102, Lake Darlot | AM6 | 1924 |
| Metzke | J. | Gowan Brae, Yornaning | U2Z and 11B, 43E | 1962 |
| Metzke | John | Bangewahn, Lake Darlot | U2Z | 1912 |
| Metzke | John | Bangewalm, Lake Darlot | U2Z | 1924 |
| Mewett | A. J. | Sussex 665, Quindalup | M0T and 14C, 71A | 1962 |
| Mewhor | W. J. | 75 Penninsula Road, Maylands | W1M | 1962 |
