| Halligan | J. | Parkwood, New Norcia | 6HX and 35A, 14C | 1962 |
| Halligan | J. Jun. | Marbro, New Norcia | 6HX | 1912 |
| Halligan | J. jun. | Marbro, New Norcia | 6HX | 1924 |
| Halligan | J. P. | Wyworrie, New Norcia | XH9 and 2C, 18E | 1962 |
| Halligan | John sen. | Summer Hill, New Norcia | O7H | 1924 |
| Halligan | Robt. | Marbro, New Norcia | 4NL | 1924 |
| Halligan | Wm. | Billadong, New Norcia | U7V | 1924 |
| Hallion | Herbert Jas. | Loc. 639, Mt. Marshall, Traying | 7HZ | 1924 |
| Hallion | M. | John Street, North Fremantle | 4QH | 1924 |
| Halliy | Robt. | (Dairyman), King Edward Road, Osborne Park | 9VH | 1924 |
| Hallman & Carlshausen | C. G. H. B. von | Vict. Locs. 4454 and 4455, Jibbering | Z6H | 1924 |
| Hally | L. E. | Brookleigh, Cundenup | 3OH | 1962 |
| Hallyburton | H. F. | Avon. Locs. 18337, 18351, Narembeen | 8IH and 24B, 45E | 1962 |
| Hallyburton | W. R. | 1584, Cowaramup | YD2 and 33B, 50E | 1962 |
| Halnbert & Sons | K. G. | Sunset Hill, Greenbills | T5H and 23E, 20B | 1962 |
| Halse | T. H. | Kookaburra, Maida Vale | 6UK | 1924 |
| Halse | Thos. H. | Emda Vale, Calingiri | TX6 | 1924 |
| Haltermann | Francis | Location 6168, Katanning | 6FF | 1912 |
| Haltermann | Francis | Loc. 6168 and 6170, Nampup, via Katanning | 6FF | 1924 |
| Halvorsen | Wm. | Norwood, Harvey | 6GV | 1924 |
| Haly | Arthur | Wyndham | X1X | 1912 |
| Haly | Arthur | Wyndham | X1X | 1924 |
| Ham | Chas. | Wood Green, Chidlows Well | H0Q | 1924 |
| Ham | F. E. | Woodgreen, Swan 2036, Chidlow | H0Q and 8B, 50E | 1962 |
| Ham | Richard | Hamedale Farm, Chidlows Well | 1YH | 1924 |
| Hamad | (Afghan) | Wyndham | U4V | 1924 |
| 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 |
