| Howie | G. | Avon Loc, 18686, Kondinin | YV8 | 1924 |
| Howie | J . E . | Lichfield, Allanson | J3H | 1962 |
| Howie | Lionel G. | Avon Loc, 19526 Kondinin | 6ZV | 1924 |
| Howie | R . | Middleton, Jibberding via Wubin | 8KU and 16C, 49E | 1962 |
| Howie | R. | Vic. Loc. 4061, Jibberding | 8KU | 1924 |
| Howie | S . D . & A . W . | Pleasant View, Mt Many Peaks | A4D and 38B, 6E | 1962 |
| Howitt | P . B . & C . C . | St Ronans, Cunderdin | 2NH and 31D, 33E | 1962 |
| Howlett | Eliza | Jarhem, Argyle | Q4H | 1924 |
| Howlett | H . G . & A . J . | Williams Loc, 7299, 7237. 8100, 8931, Narrogin | 6HH and 6C, 19A | 1962 |
| Howlett | M. A. & G. A. V. | Avondale, Kondinin | O3H | 1927 |
| Howlett | P . S . V . | Emmaville, Avon 27268, Kondinin | VP6 and 46C, 59F | 1962 |
| Howlett | T . W . | Locs. 20-21, Gordon Ave, Cannington | TH1 | 1962 |
| Howlett Bros. | - | Avon Dale Kondinnin | O3H | 1924 |
| Howlett Bros. | - | Mowbray, Kellerberrin South | HY5 | 1924 |
| Howse | H. & G. | Harleck Farm; Mokami, via Kellerberrin | H5U | 1924 |
| Howson | F . W . | Riverlands, Australind | 5UH and 51F, 84B | 1962 |
| Howson | Wm. | Williams Loc. 10692; Tarin Rock, E. Wagin | OG3 | 1924 |
| Howting | D . W . & B . I . | Melrose Farm, Highbury | Z4Q and 112B, 39E | 1962 |
| Howting | James Henry | Strathfillan, Co. Narrogin P. O. | Z4Q | 1926 |
| Hoy | Thos. Alfd. | Georgina Farm, Georgina | H0Y | 1912 |
| Hoy | Thos. Alfred | Georgina Farm, Georgina | H0Y | 1924 |
| Hoyle | E . & J . | Colnnio, Toolibin | H6R and 3B, 13E | 1962 |
| Hoyle & Read | - | Counio Estate, East Narrogin | H6R | 1912 |
| Hoyle & Read | - | Colunio Estate, E. Narrogin | H6R | 1924 |
| Hoyne | John | Carriegcloney Farm; Yulgern Mail, via Tootyay | Y5H | 1924 |
| Hoyne | M. | Glenmore, Wyening | 8MH | 1924 |
| Hrabutt | Thos. L. | Perrillup, Mt Barker | U0H | 1924 |
| Hryb | A . | 11112, Dinninup | A1H and 16C, 43E | 1962 |
| Hubbard | H . G . | Loc. 1680, Cowaramup | UH9 | 1962 |
| Hubbe | M . V . & M . L . | Woodenup, Kojonup | KW0 and 38C, 107B | 1962 |
| Hubble & Son | H. A. | Crown & Sceptre, Quairading | N8H | 1912 |
| Hubble & Sons | H. A. | Crown and Sceptre, Quairading | N8H | 1924 |
| Hubeck | J . | Avon 0443, Merredin | H8K and 44C, 34E | 1962 |
| Hubery | Fred Joseph | Lady Vale Farm; Curtze's Road, Bridgetown | VH0 | 1924 |
| Hubery | V . & P . | Lady Vale, Bridgetown | VH0 and 31B, 114E | 1962 |
| Hucker | C . J . | 30, 31, 32, 33, 34, Gingin | CH2 and 44A, 22C | 1962 |
| Huddlestone | J . F . | Corella Downs via Noonkanbah, West Kimberley | FH3 and 71C, 5A | 1962 |
| Hudleston & Williams | - | Margathia, West Brookton | HW8 and 40B, 3A | 1962 |
| Hudson | A . | Plant Loc. 661, 662, Albany | 4HA and 12B, 110A | 1962 |
| Hudson | A . F . & V . | Erendale, Dalwallinu | P2M and 3D, 34E | 1962 |
| Hudson | C . H . | Chippendale, Forrestfield | QH9 and 31B, 45A | 1962 |
| Hudson | E . P . & A . S . | Kaladale Farm, Bunbury | H7H | 1962 |
| Hudson | G . | Roc Loc. 455, Newdegate | GH7 and 15A, 46C | 1962 |
| Hudson | G . R . | Avon 25413, Dowerin | GR0 and 56F, 11D | 1962 |
| Hudson | H . & G . | Sherwood, Kendenup | H3H and 21B, 4E | 1962 |
| Hudson | J . E . (Mrs) | Avon 24728, Y'leena Farm, Dowerin | 9HP and 29A, 11B | 1962 |
| Hudson | Vera | Arnold, Nyabing | VH2 | 1927 |
| Hudson | W. G. W. | Sunnyside Farm Nalya | XG0 | 1924 |
| Hudson & Co | L . E . | Avon 15525, Yelbeni | L3H and 23D, 106E | 1962 |
| Hudson & Sons | G . | 22165, Balkuling | 4GH and 16D, 50E | 1962 |
