| Absolon | R. G. | Homestead Farm, Benger | 2YA | 1924 |
| Accituno | F. D. L. | Cubonup Farm, Bridgetown | KV4 | 1912 |
| Aceituno | F. D. L. | Cubonup Farm, Bridgetown | KV4 | 1924 |
| Ackland | A. J. | 9. 10, Bluff Point | 1AA and 22C, 32E | 1962 |
| Ackland | G. H. | The Ranch, Denmark | GA2 | 1962 |
| Ackland | J. B. | Moonagarrin, Wongan Hills | J8A and 32C, 103A | 1962 |
| Ackland | M. A. | Costeen, Wongan Hills | MA8 and 32C, 40A | 1962 |
| Ackland | R. R. B. | Lake Ninan, Goomalling | A8A | 1912 |
| Ackland | R. R. B. | Lake Ninan, Goomalling | A8A | 1924 |
| Ackland | R. R. B. | Moongarrin, Wongin Hills | A8A and 32C, 7E | 1962 |
| Ackland & Sons | - | Carta Boya, Wongan Hills | 6UA | 1924 |
| Ackley | B. J. | Arrinvale, Arrino | 3DY and 16C, 39A | 1962 |
| Ackley | B. M. | 4072, Arrino | M0A and 6D, 109E | 1962 |
| Ackley | Benjamin | Ferndale, Broomehill | 3XA | 1924 |
| Ackley | R. J. | Plant. Locs. 5746-7, Albany | RA1 and 29B, 80E | 1962 |
| Ackling | Frederick William | Rickwater, Bendering | F4A | 1924 |
| Acton | J. H. P. | Lot 52, Wellard | 9JA and 22B, 26A | 1962 |
| Acton-Adams | - | Pinjin, Kalgoolie | DU1 | 1928 |
| Adair | Emma | Perricoota, Noth Baandee | 2PA | 1924 |
| Adair | Emnca | Perricoota, North Baandee | 2PA | 1912 |
| Adair & Brierly | - | Hamelmere, Woolundra | X1U | 1924 |
| Adam | A. R. & V. R. | Hallard's Swamp, Barbwire-Marradong, Pinjarra | VA1 | 1912 |
| Adam | A. R. & V. R. | Hallard Swamp, Barb Wire-Marradong, Pinjarra | VA1 | 1924 |
| Adam | A. T. | 10331-2, Northcliffe | 1YV | 1962 |
| Adam | J. M. | Glenrowan, Northcliffe | AO3 | 1962 |
| Adam | James | Ellengorvan (Pinjarra), and Cireencester (East Beverley) | OG8 | 1924 |
| Adam | Jas. | Ellengorvan, Circencester, Pinjarra, East Beverley | GG8 | 1912 |
| Adam | John | Waanyarra, Pingelly | 7JA | 1912 |
| Adam | John | Waanyarra, pingelly | 7JA | 1924 |
| Adam | Khan | Commonage, Carnarvon | QK9 | 1924 |
| Adam | R. A. | Pollard Swamp, Pinjarra | VA4 and 16B, 24E | 1962 |
| Adam | William Wellesley | Group No. 11, Loc. 9445, Manjimup. | W1A | 1926 |
| Adams | A. B. | Weedon Hill, Denmark | AA9 | 1912 |
| Adams | A. B. | Weedon Hill, Denmark | AA9 | 1924 |
| Adams | A. B. & A. J. T. | River View, Marradong | AA9 and 45B, 5A | 1962 |
| Adams | A. E. | Huntley, Mt. Barker | 7EA | 1912 |
| Adams | A. E. | Huntley, Mt Barker | 7EA | 1924 |
| Adams | A.A | Mt.Barker | Z5A | 1924 |
| Adams | Beesie | Boogan, Dongarra | WA8 | 1912 |
| Adams | Bessie | Boongan, Dongarra | WA8 | 1924 |
| Adams | C. & M. | Yaralla, Mt. Barker | QJ1 and 111D, 5E | 1962 |
| Adams | Charles E. | Benjarrabin, Burracoppin | C7A | 1912 |
| Adams | Charles E. | Benjarrabin, Burracoppin | C7A | 1924 |
| Adams | Chas. | Homestead, Cookernup | 1CA | 1912 |
| Adams | Chas. | Homestead, Cookernup | 1CA | 1924 |
| Adams | E. | White Rocks, Young's Siding | AX9 | 1924 |
| Adams | E. | Tredigar, Kukerin | 9AD and 17B, 34A | 1962 |
| Adams | E. T. | Avon Locs. 25295, 25299, 2074, Merredin | ET9 and 114D, 21E | 1962 |
| Adams | E. V. & L. J. | Avon Loc 17211, South Kumminin | VL5 | 1924 |
| Adams | Ernest Samuel | Welton Farm, Marron Pool Road, Kojonup | XA8 | 1924 |
