| McClutcheon | J. H. | Marbling, Aurther River | JH6 and 3C, 24E | 1962 |
| McColl | A. | Cunening, Wickepin | C7M | 1912 |
| McColl | A. | Cuening, Wickepin | C7M | 1924 |
| McColl | A. & N. | Mt. James, Upper Gascoyne | 3NA | 1924 |
| McColl | D. I. | Locs. 7082, PA4869, 15521, York | B0C and 12C, 33E | 1962 |
| McColl Bros. | - | Mt. James Station, Upper Gascoyne | UU7 | 1927 |
| McComas | John | Nungarin Location 16813, Bruce Rock | YM7 | 1924 |
| McCombe | H. I. | Commonage, Bunbury | M3Q | 1924 |
| McCombe | R. | Thorn Hill, Yallingup | 8VA | 1924 |
| McCombie | C. D. | Wyndham | L5L | 1912 |
| McConaghey | L. E. | Tulleydonnell, Kununoppin | 6LM | 1912 |
| McConaghey | L. E. | Tulleydonnell, Kununoppin | 6LM | 1924 |
| McConchie | F. A. | Blantyre, Williams | 1MB | 1912 |
| McConchie | F. A. | Blantyre, Williams | 1MB | 1924 |
| McConkey | J. C & L. T. | Rudds Gully, Geraldton | K9J and 21B, 9A | 1962 |
| McConkey | John | Yarradale, Oakabella | CJ6 | 1912 |
| McConkey | John | Yarradale, Oakabella | CJ6 | 1924 |
| McConnell | E. J. | Sunnyside, Nangeenan | 2EJ | 1912 |
| McConnell | E. J. | Sunnyside, Nangeenan | 2EJ | 1924 |
| McConnell | James. D. | Pithara | Q3O | 1924 |
| McConnell | John | Green Lea, Emu Hill, via Bruce Rock | M9Q | 1924 |
| McConnell | Katherine | Rosedale, Nangeenan | KN4 | 1924 |
| McConnell | W. J. | Greenvale, Bolgart | S9M and 49D, 103E | 1962 |
| McConwill | Albert E. | Burekup | G3R | 1927 |
| McCook | A. | Block 362, Armadale | C5K | 1912 |
| McCook | A. | Block 362 Armadale | C5K | 1924 |
| McCook | A. & M. E. | Locs. 19188-9-90, Muntadgin | C5K and 42D, 20E | 1962 |
| McCook | Barbara | County Peak, Beverley | BM5 | 1912 |
| McCook | Barbara | County Peak, Beverley | BM5 | 1924 |
| McCook | R. J. | The Grove, 520, 577, Mt Barker | UM1 | 1962 |
| McCooke | A. | Lakeside, East Brookton | M5E | 1912 |
| McCooke | A. | Lakeside, East Brookton | M5E | 1924 |
| McCooke | A. G. & H. | Maroondah, yealering | 4BS and 30D, 23E | 1962 |
| McCooke | D. | Caudhu, Aldersyde | DM5 and 21B, 116E | 1962 |
| McCooke | K. & V. | St Mary's, Carnamah | M8X and 24E, 45B | 1962 |
| McCooke & Sons | - | Lakeside, East Brookton | M5E and 34B, 33E | 1962 |
| McCorkill | E. G. | Goongarrie, Goongarrie | 2EM | 1912 |
| McCorkill | E. G. | Goongarrie | 2EM | 1924 |
| McCorkill | Wallace | Carlton Lee Farm, Ajana, via Northampton | KW7 | 1924 |
| McCorkindale | D. | The Ump, Bridgetown | UP7 | 1962 |
| McCormack | Andrew | Yonga Yamming, Wagin West | 7UM | 1924 |
| McCormack | Chas. Albert | Wakefield, Capel | 1KN | 1924 |
| McCormack | John J. | Mingenew Commonage, Mingenew | C9K | 1912 |
| McCormack | John. J. | Mingenew Commonage, Mingenew | C9K | 1924 |
| McCormack | M. | Hope Farm, Hine's Hill | N0E | 1912 |
| McCormack | M. | Hope Farm, Hines' Hill | N0E | 1924 |
| McCormack | T. B. | Cremona, Trayning | BC3 and 46A, 13B | 1962 |
| McCormack | W. A. | Madella Farm, Mundijong P.O. | MQ0 | 1924 |
| McCormack & Challis | - | Erindoon Station, Eneabba | M5C and 80C, 16E | 1962 |
| McCormick | A. M. W. | 2774-5 and 6059, Albany | AM6 and 43C, 8A | 1962 |
