| Hamad | Jol | Laverton | 4MH | 1912 |
| Hamad | Jol. | Laverton | 4MH | 1924 |
| Hambley | A. & A. | Nelsonia, Mt. Barker | IA0 and 42A, 108B | 1962 |
| Hambley | A. J. | Boronia Valley, Mt. Barker | X2H | 1962 |
| Hambley | G. S. | 136, 137 and 138, Mt. Barker | G6H and 37D, 14E | 1962 |
| Hambley | K. J. | Plantagenet 1338 and Kendenup Lots 678 to 681 inclusive, Mt. Barker | 6SQ and 46C, 12E | 1962 |
| Hambley | R. O. | Glen-Iris, Mt. Barker | GO1 and 15B, 48E | 1962 |
| Hambley | R. R. | Boroniahurst, Mt. Barker | 2RH and 13B, 36E | 1962 |
| Hambley | Sidney Ern. | Hill View Orchard, Mt.Barker | 6SQ | 1924 |
| Hambly | Lewis | Commonage, Ravensthorpe | QH3 | 1924 |
| Hamdorf | L. M. & W. C. | Plantagenet 5889, Albany | 2HA and 45D, 8E | 1962 |
| Hamdorf | Sarah E. | Jennaberring, via Quairading | 1HQ | 1924 |
| Hamdorff | Leslie Herbert | Kiaora, Circle Valley | L4H | 1926 |
| Hamelin Past. Co., Ltd. | - | Boolagoorda, Hamelin Pool, Carnarvon | C8P | 1925 |
| Hamelin Pastoral Co. Ltd. | - | Hamelin Station, Hamelin Pool, Carnarvon | C8P and 5B, 34A | 1962 |
| Hamence | V. J. | Hillview, Mt. Magnet | V5E | 1924 |
| Hamer | Moore | Cunderdin | M8H | 1912 |
| Hamer & Moore | - | Cunderdin | M8H | 1924 |
| Hamersley | A. B. C. | Georgina P.O. | 5BC | 1912 |
| Hamersley | A. B. C. | Georgina, Georgina P.O. | 5BC | 1924 |
| Hamersley | A. W. & M. H. | Breckna, York | A2H and 7C, 67A | 1962 |
| Hamersley | Amy M. | Fairfield, Walkaway | YH0 | 1924 |
| Hamersley | C. & J. | Lot 8, Muresk | CJ0 and 35D, 37E | 1962 |
| Hamersley | E. | Dale Farm, Walkaway | X7X and 16B, 110A | 1962 |
| Hamersley | E. A. | Kulking Oxford Downs, Williams | 0HY | 1912 |
| Hamersley | E. A. | Kulking & Oxford Downs, Williams | 0HY | 1924 |
| Hamersley | E. B. | Block No. 8207, Beverley | 0HH and 6D, 38E | 1962 |
| Hamersley | E. C. | Mount Hill Station, Walkaway | 9EH and 67A, 116B | 1962 |
| Hamersley | E. J. | Arthur River, Wagin | 0EH | 1912 |
| Hamersley | E. J. | Arthur River, via Wagin | 0EH | 1924 |
| Hamersley | E. M. | Mt. Hill, Walkaway | 6EL | 1962 |
| Hamersley | E. P. & B. | Mareeba, Dinninup | E7H and 67E, 11D | 1962 |
| Hamersley | Edward | Wilberforce, Woodside | U7H | 1924 |
| Hamersley | F. M. | West Bourne, West Wagin | 1IO and 13B, 12E | 1962 |
| Hamersley | H. & E. M. | Mt. Hill Station, Walkaway | I2Y and 18A, 45C | 1962 |
| Hamersley | H. F. M. | Arthur River, Wagin | XM1 | 1912 |
| Hamersley | H. F. M. | Arthur River, via Wagin | XM1 | 1924 |
| Hamersley | H. G. | Woodbridge and Chittering Hills, East Guildford and Chittering | 7UH and 22C, 8E | 1962 |
| Hamersley | H. J. | Rocklee, Arthur River | H4H and 41B, 67E | 1962 |
| Hamersley | Hugh | Woodada, Dongarra | I2Y | 1928 |
| Hamersley | Hugh E. | Well Station, Walkaway | 1LL | 1912 |
| Hamersley | Hugh E. | Well Station, Walkaway | 1LL | 1924 |
| Hamersley | J. F. | Pyrton, via Guildford | ZO7 | 1924 |
| Hamersley | J. F. E. | Eden Valley, York | J6H and 118A, 36B | 1962 |
| Hamersley | J. McLean | Woodada, Dandarragan | JU3 | 1912 |
| Hamersley | J. McLean | Woodaca, Fairfield, and Walkaway, Dandarragan | JU3 | 1924 |
| Hamersley | K. L. | Kanjanup, Lojonup | 5KH and 116A, 19B | 1962 |
| Hamersley | L. H. | Mt. Hill Station, Walkaway | JU3 and 116D, 67E | 1962 |
| Hamersley | L. R. | Pyrton, via Guildford | LZ4 | 1924 |
| Hamersley | Mrs E. J. | Mullaworoo, Wurarga, Murchinson | EJ7 | 1924 |
