| Mathews | Louis | Wyandanya, Broad Arrow | LM3 | 1924 |
| Mathews | O. E. | Ferndale, Jacob's Well, via York | OM7 | 1912 |
| Mathews | Percy | Hill Crest, Forrest Street, Bridgetown | PX3 | 1924 |
| Mathews | Phyllis | Mt Magnet | P9Y | 1924 |
| Mathews | Porter | Elgin Park, Capel | PM0 | 1924 |
| Mathews | Reuben | Westwood, Warren Road, Kattaning | 5RV | 1924 |
| Mathews | S. H. | Homestead, Pinjarra | HM4 | 1912 |
| Mathews | S. H. | Pinjarra | HM4 | 1924 |
| Mathews | S. H. | Pin Valley Farm, East Wagin | SM3 | 1924 |
| Mathews | Thos. Albert | McKiver, Keysbrook | U2M | 1924 |
| Mathews | Thos. Geo. | Avon Loc. 2801 Southern Brook | 3QN | 1924 |
| Mathews | Thos. Geo. | Silverdale, Southernbrook | QN2 | 1924 |
| Mathews | Wm. | Rock Spring, Grass Valley | 4WY | 1924 |
| Mathews | Wm. Jas. | Belmont Park Dairy, Belmont Park | WM0 | 1924 |
| Mathews | Wm. Thos. | Donnelly and Red Hill, Kununalling | 1WM | 1924 |
| Mathews & Co. | E. D. | The Grange, Nungarin | MJ0 and 113A, 14B | 1962 |
| Mathews & Madews | - | Coohallion, Cunderdin | 2MM | 1924 |
| Mathews Bros. | - | Balfour Downs, Nullagine | M0B | 1924 |
| Mathwin & Sons | - | Upwood, kojonup | 7LM and 10B, 29E | 1962 |
| Mathwin & Sons | - | Wyeroo Locs. 6644-5-6, Kojonup | M7T and 37E, 23B | 1962 |
| Mathwin Bros. | - | Upswood; Kojonup | M2B | 1928 |
| Matko | W. | H. F. 12169/74, Tammin | 2NM | 1912 |
| Matko | W. J. | H.F. 12169/74 Tammin | 2NM | 1924 |
| Matmattin Pastoral Co. | - | Matmattin, York | 4MZ and 71E, 49C | 1962 |
| Matsen | C. C. & I. J. | Ninghan Loc. 1677-8, Dalwallinu | WA6 and 40E, 23D | 1962 |
| Matsen | R. D. & G. A. | Mt. Pleasant, Boddington | 7WD and 13D, 16E | 1962 |
| Matson | Ernest | Moulyinning | 5KM | 1924 |
| Matson | G. | Leases 20918/74, 35718/55, Tarin Rock, East Wagin | 8GN | 1924 |
| Matson | Glanville | Tarin Rock, East Wagin | G8O | 1924 |
| Matson | Isaac | Esplanade Farm, Albany | O4M | 1924 |
| Matson | J. | Williams Loc.10695, Jinarin via Kukerin | MV7 | 1924 |
| Matson | S. R. | 9654, Kukerin | SM1 and 9D, 111E | 1962 |
| Matson | Wm | Claremont, East Wagin | W6M | 1924 |
| Matson | Wm. | Claremont, East Wagin | W6M | 1912 |
| Mattaboni | A. G. | Loc. 608, Picton | 9TM | 1962 |
| Mattfield | F. S. | Hill View, Harrismith | FM7 and 115A, 5B | 1962 |
| Mattfield | H. E. | 10194-5-6 and 9966, Harrismith | T8M and 18D, 118E | 1962 |
| Mattfield | R. C. | Loc. 9966, Harrismith | 9MA and 39C, 42E | 1962 |
| Matthews | Benj | Manovale, East York | B1M | 1912 |
| Matthews | H. | Warren Road, Katanning | 9MS | 1912 |
| Matthews | Jas. | Noonkanbah, Derby | BB8 | 1912 |
| Matthews | Jno. | Balfour Downs, Nullagine | M0B | 1912 |
| Matthews | Louis | Wyndanya, Broad Arrow | LM3 | 1912 |
| Matthews | M. A. | 1878-9, 1898-9, Bencubbin | 0MM and 36A, 42B | 1962 |
| Matthews | M. H. | 924-5, 2545-8-9-50-2, 5627, 5761-5, 6646-8,7022, 8271, 10068, Dumbleyung | H5M and 17C, 45A | 1962 |
| Matthews | Porter | Elgin Park, Capel | PM0 | 1912 |
| Matthews | R. C. | Hanly, Kukerin | R8M and 21C, 59F | 1962 |
| Matthews | R. H. | Coraling Brook, Williams | BM8 and 15C, 14A | 1962 |
| Matthews | R. R. | Meadowcroft, Cunderdin | MO9 and 104A, 27B | 1962 |
| Matthews | S. | Pin Valley Farm, E. Wagin | SM3 | 1912 |
