| Ah Ying | - | Mack Lagoon, Wyndham | 2YW | 1912 |
| Ahchee | G. | Lot 355, Derby | AC2 and 5B, 13E | 1962 |
| Ahchee | George | Derby Common, Derby | AG2 | 1928 |
| Ahearn | R. H. | Glen Erin, Geraldton | R3A and 42B, 109E | 1962 |
| Ahearn | T. G. | Vic. Loc. 5088, Eradu | AJ3 and 80C, 38E | 1962 |
| Ahearn | W. J. | Loc. 1350, Walkaway | W9A | 1912 |
| Ahearn | W. J. | Location 1350, Walkaway | W9A | 1924 |
| Ahern | Albert | Common, Mt. Magnet | 3LZ | 1924 |
| Ahern | Dennis | Maney, Upper Chapman | DA0 | 1912 |
| Ahern | Dennis | Maney, Upper Chapman | DA0 | 1924 |
| Ahern | John | Mount Hill, Walkaway | 7LO | 1912 |
| Ahern | John | Mount Hill, Walkaway | 7LO | 1924 |
| Ahern | Patrick | Deep Creek, Siberia | A6U | 1924 |
| Ahern | Thomas Mc. | "Ard Patrick" Kwelkan | Y0A | 1924 |
| Aherton | John C. | Mount St.Clare, Lowden Preston | ZA4 | 1924 |
| Ahmad | Dean | Commonage, Carnarvon | A8D | 1924 |
| Ahmad Dean | - | Commonage, Carnarvon | A8D | 1912 |
| Ahmeer | Jhan | Ashburton, Onslow | N8O | 1924 |
| Ahola | B. A. | 16 Sumpton St., Hilton Park | BA0 and 19D, 29E | 1962 |
| Ahrens | Carl | Wickepin | A2G | 1926 |
| Ahrens | W. C. | Wogolin, E. Wickepin | WA4 and 20B, 118A | 1962 |
| Ahrens | W. F. | 4907, 5167-8, 5686, 10843, 11395, Wickepin | A2C and 31B, 20A | 1962 |
| Aiken | R. H. | Yaldarra, East Fremantle | U5A | 1924 |
| Aiken | S. J. & M. D. | Hilldrop, Beverley | J3B and 19C, 20A | 1962 |
| Aiken | W. H. | Elmadale, Balkuling | 3WA and 31D, 27E | 1962 |
| Aiken | W. S. | Elmadale, East Beverley | 3WA | 1912 |
| Aiken | W. S. | Elmadale, East Beverley | 3WA | 1924 |
| Ailakis Bros. | - | 19050, Pemberton | A0B | 1962 |
| Ailvister | R. S. | Lots 15891, 27748/55, 15517/74, Kumminin | RU4 | 1924 |
| Ainsworth | A. E. | Quandong Farm, Cowcowing | 5EA | 1912 |
| Ainsworth | A. E. | Quandong Farm, Cowcowing | 5EA | 1924 |
| Ainsworth | A. R. & F. J. | High Tor, Boscable, Kojonup | 2FA | 1924 |
| Ainsworth | H. | Esp. Loc. 1523, Gibson | 1HA and 67B, 40A | 1962 |
| Ainsworth | J. | Roseneath, Bokal | XA1 and 16B, 10A | 1962 |
| Ainsworth | N. H. | Hillgar Farm, Williams | HA3 | 1912 |
| Ainsworth | N. H. | Hilgar Farm, Williams | HA3 | 1924 |
| Ainsworth | N. H. | Avon Loc. 2 & 42, Northam | HA3 and 33D, 35E | 1962 |
| Aird | A. H. | Lot 736, Wagin | 2AU | 1912 |
| Aird | A. H. | Lot 736, Wagin | 2AU | 1924 |
| Aird | J. | 23388-9, 21991-2, Narembeen | AJ4 and 32B, 117A | 1962 |
| Airey | Q. | Ferngrove, Toodyay | 1QA and 18B, 25A | 1962 |
| Aitcheson | A. J. | Strathclyde, Kojonup | AJ8 | 1912 |
| Aitcheson | A. J. | Starthelyde, Kojonup | AT8 | 1924 |
| Aitchison | George Albert | Esperance Farm North Cunderdin | 6ZA | 1924 |
| Aitchison | James | Waterdale, Widgiemooltha | BM4 | 1924 |
| Aitchison | Jas. | Waterdale, Widgiemooltha | BM4 | 1912 |
| Aitchison | R. T. | Canning Loc. 321, Armadale | WM1 and 6B, 41A | 1962 |
| Aitchison | R. W. | Esperanza, Cunderdin | 6ZA and 80D, 11E | 1962 |
| Aitchison | T. J. | Loc. 81, Kenwick | 7TK and 21B, 4A | 1962 |
| Aitken | A. | Strathclyde, Koorda | X1A and 25D, 110E | 1962 |
