| Hardinge | Thos H. | Eilendale Farm, Toodyay | PM8 | 1924 |
| Hardinge Bros. | - | Dalby's Gully, Geraldton | XH1 | 1912 |
| Hardingham | A. W. | Almurta Farm, Bruce Rock | A0V | 1924 |
| Hardingham | Charles | Block 15177, New Carnie | H2U | 1912 |
| Hardingham | Chas. | Block 15177, Newcarne | H2U | 1924 |
| Hardison | J. R. | Glen Clyde, Kojonup | OK9 | 1924 |
| Hardisty | R. E. | Melgrove, Wagerup | Y5H | 1962 |
| Hardman | C. S. H. | Goodwins, Merredin | V8H and 54F, 15B | 1962 |
| Hardman | Chas. S. H. | Main Cr., Baandee | V8H | 1924 |
| Hardman | E. C. | Avon 14027, Merredin | 1UE and 14B, 6E | 1962 |
| Hardman | H. E. | Moningarin, Dowerin | T0H | 1912 |
| Hardman | H. E. | Moningarin, Dowerin | T0H | 1924 |
| Hardman | H. S. & E. | 13993, 14013, 13979, Burracoppin | NH8 and 80E, 5B | 1962 |
| Hardman | H. W. & J. M. | Peel Est. 400, 401, Serpentine | 0JH | 1962 |
| Hardman | J. H. | Goomarin Park, Merredin | 0JH and 3A, 109B | 1962 |
| Hardman | Tasman | Morningside, Belmont | T1H | 1926 |
| Hardman | W. R. | Avon Loc. 8796, Kellerberrin | Y4K | 1924 |
| Hardman | Wm. | Lezland Farm, Lower Warren Road, Jarnadup | RD4 | 1924 |
| Hardman & Sons | Wm. | Meadow Farm, West Grass Patch, Esperance-Norseman Road | 5QH | 1924 |
| Hardwick | F. S. | The Pines, Bencubbin | BH4 and 109D, 51F | 1962 |
| Hardwick | G. L. | Dundry, Korrelocking | GH6 and 48A, 24B | 1962 |
| Hardwick | H. G. V. | Gingermilli, Trayning | 0VH | 1912 |
| Hardwick | H. G. V. | Giggermilli, Trayning | 0VH | 1924 |
| Hardwick | Hy. | Baskerville, Upper Swan | 1HH | 1912 |
| Hardwick | Mrs Houslow | Loc. 15131, Mandiga | OG6 | 1924 |
| Hardwick | Roy Stanley | Fulwood, Mandiga | I6S | 1928 |
| Hardwick | Thos W. | Oakford, Waroona | HW9 | 1924 |
| Hardwick | Thos. W. | Oakford, Waroona | HW9 | 1912 |
| Hardwick & Son | - | Giggermilli, Bencubbin | 0VH and 20C, 21E | 1962 |
| Hardwick Bros. | - | Rae Downs, Trayning | 3GR | 1924 |
| Hardwick Bros. | Henry | Baskerville, Upper Swan | 1HH | 1924 |
| Hardy | Geo. | The Falls, Upper CApel, Kirup | G6K | 1924 |
| Hardy | H. & A . I . | Windi Mere, Lake Grace | H9O and 120A, 18B | 1962 |
| Hardy | H. D. | Inniskeen,Cookernup | 9YR | 1928 |
| Hardy | H. T. | Boreo, Upper Blackwood | 4HH | 1912 |
| Hardy | H. T. | Boree, Upper Blackwood | 4HH | 1924 |
| Hardy | John | Cheremump, Carracerup, Salt River Mail | 6VH | 1924 |
| Hardy | R . H . | Avon Loc. 23956, 23599, 23972, 23997, Bendering | H9H and 113B, 67A | 1962 |
| Hardy | W . | Avon Loc. 16132, Bendering | HA5 and 44E, 39D | 1962 |
| Hardy | W . W . | 23765, Bendering | WH9 and 45D, 53F | 1962 |
| Hare | Margaret E. | Moondah, Gingin | MH4 | 1912 |
| Hare | Margaret E. | Moondah, Gingin | MH4 | 1924 |
| Harefield Ltd. | - | Harefield, Kojonup | 6HO and 80C, 22E | 1962 |
| Harewood | F . V . & P . M . | Pt.2 of 2239 & Pt. of Lot 41, Boyanup and Bunbury | FV1 and 102B, 84E | 1962 |
| Hargrave | L . L . | Loc. 622 Kent Road, Denmark | Y3E | 1962 |
| Hargraves | Geo. E. | Maida Vale, Guilford | G9E | 1924 |
| Hargreave | R. L. | Luncathchem Farm, Merredin | LO8 | 1912 |
| Hargreaves | Jos. D. | Glenfield, Bencubbin | Y3A | 1924 |
| Hargreaves | R. L. | Luncatchem Farm, Nungarin | LO8 | 1924 |
| Haris | Ann | 53 Helena Steet, Guildford | GH1 | 1928 |
