| Haddleton | U. R. | Kojonup 8408, 7184, 6526, Pingrup | 1UH and 35D, 104E | 1962 |
| Haddleton | W & J | Coompative, Katanning | 4HB | 1912 |
| Haddleton | W. W. | Alistine, Katanning | 2WH and 84A, 39B | 1962 |
| Haddock | M. D. | Mananui, Morawa | MH4 and 6B, 48A | 1962 |
| Haddon | J. L. | Avon Loc. 15326, Mokami, via Doodlakine | Y7H | 1924 |
| Haddrick | W. M. & W. J. | Toorackie, Prospect Hill, Murwinden, Williams, Woodanilling, South Stirling, via Mt. Barker | 8WH and 44C, 102E | 1962 |
| Haddrill | Geo. Thos. | Brook Farm, Northam | H0X | 1924 |
| Haddrill | Jas. | Albion Town, Swan | JH8 | 1912 |
| Haddrill | Jas. | Albion Town, Swan | JH8 | 1924 |
| Haddrill | N. J. | Brook Farm, Northam | HOX and 8B, 14A | 1962 |
| Haddrill | Wm. | Brook Farm, Northam | H0X | 1912 |
| Haddy | A. S. | 13 Second Avenue, South Perth | 8OY | 1962 |
| Haddy | Steve | Haddys Farm, Bindu | 8OY | 1924 |
| Haddy & Morrisey | | All Square Farm,East Yuna | YO8 | 1928 |
| Haddy & Scott | - | Wall Square Farm, Yuna East | YO8 | 1924 |
| Hadfield | H. T. | Bacmore, Leonora | JE5 and 14C, 119A | 1962 |
| Hadfield | R. W. | Swan Loc. 1608, Wooroloo | U0Y and 26D, 117E | 1962 |
| Hadji | Ameer | Lake Way, Wiluna | HA4 | 1912 |
| Hadji | Ameer | Lake Way, Wiluna | HA4 | 1924 |
| Hadji | Khan | Kanowna | HA5 | 1912 |
| Hadji | Khan | Kanowna | HA5 | 1924 |
| Hadlet | J. F. | Williams Loc. 3786, East Cuballing | 8YV | 1924 |
| Hadley | C. V. | Plantagenet 5827, Upper Kalgan | PH3 and 18D, 43E | 1962 |
| Hadley | F. A. | 3701, 862, 863, 1022, 1177, Witchcliffe | F6H and 42B, 84E | 1962 |
| Hadley | John E. | Orange Grove, Harvey | XH9 | 1924 |
| Hadley | S. | H. F. 20536/74, Maryvale, via Wonnerup | SY6 | 1924 |
| Hadley | W. R. | Block No. 11673, Yorkrakine | H9Y | 1912 |
| Hadley | W. R. | Block No. 11673, Yorkrakine | H9Y | 1924 |
| Hadley | Wm. | Bussleton | 6QH | 1924 |
| Hadlow | C. L. | Avon 10413, 17729, 21237, 10465, Quairading | CL0 and 45B, 15A | 1962 |
| Hadlow | E. H. & B. G. | 1641, 1642, Mt Helena | 9EH and 67D, 52F | 1962 |
| Hadlow | L. D. R. | Loc. 12613, Dangin | 5DR | 1924 |
| Hadlow | L. D. R. | Locs. 21613, 21614, Dangin | 5DR and 22B, 28A | 1962 |
| Hadlow | R. E. & I. D. | Avon 11602, Kwolyin | 5RH and 21A, 36B | 1962 |
| Hadlow & Co. | K. | Stone Haven, Kwolyin | K9H and 84B, 47A | 1962 |
| Haendel | C. H. | Rocky View, Narrogin | C7H and 26D, 120E | 1962 |
| Haeppauff | C. G. | Spring Grave, Katanning | 0CH | 1912 |
| Haeppauff | C. G. | Spring Grave, Katanning | 0CH | 1924 |
| Haese | K. D. | Grange View, Kulin | 3BL and 111B, 12A | 1962 |
| Haese | S. E. | Wattle Hill, Porongorups | BS5 and 8B, 43A | 1962 |
| Haese Bros. | - | Bonnyup, Mt Barker | ZK7 and 4A, 45C | 1962 |
| Haewkins | Henry | Wanneroo Road, Osborne Park | HH8 | 1924 |
| Haffner | J. L. | C. P. 14070/55, Mullewa | H5R | 1924 |
| Haffner | Jas. L | C. P. 14070/55, Mullewa | H5R | 1912 |
| Hagan | C. W. & R. E. | Swan Loc. 28, Lot 113, Bellevue | C6R and 30B, 44E | 1962 |
| Hagboom | A. R. | Hills Crest Farm, Ucarty, via Dowerin | 4RA | 1924 |
| Hagboom | E. C. | Fairview and Loc.20173, Lot No. 2, Dowerin | EH1 and 43C, 9A | 1962 |
| Hagboom | G. G. | Hillcrest, Dowerin | 4RA and 26E, 50B | 1962 |
| Hagboom | K. G. | Avon 26759, Dowerin | 4KH and 47D, 107E | 1962 |
| Hagboom | W. R. | Ridley, Dowerin | R2H and 28B, 103E | 1962 |
