| Harte | T. A. | Coolup 197, Pinjarra | 6TH | 1962 |
| Hartley | A. | Springholm, Newdegate | XH5 and 48B, 84E | 1962 |
| Hartley | Albert | Katanning | XH5 | 1924 |
| Hartley | Albert E. | Avon Loc. 21829, Gorge Rock | V4Y | 1924 |
| Hartley | D. H. | Nethercote, Corrigin | LY9 and 4D, 42E | 1962 |
| Hartley | J. | Hensingham Farm, Burekup | 8JH and 84B, 18E | 1962 |
| Hartley | J. E. | Avondale Farm, Corrigin | 9EY | 1924 |
| Hartley | James | Banjee, Corrigin | NH5 | 1924 |
| Hartley | John M. | Nethercote, Gorge Rock, via Corrigin | LY9 | 1924 |
| Hartley Bros. | (E. & B) | 925/ 1266, 1182, Lake Biddy | H7B and 111E,10C | 1962 |
| Hartnett | Denis | Orpha Farm, East Pingelly | QH7 | 1924 |
| Hartnett | F. G. | Greenacres, airdale via Margaret River | 5HG and 108D, 104E | 1962 |
| Hartnett | Mary | Dardanup | MH9 | 1912 |
| Hartnett | Mary | Dardanup | MH9 | 1924 |
| Hartnett & Sons | T. H. | 8295 and 8296, Cundinup via Nannup | B6H and 106B, 110A | 1962 |
| Hartnup | G. H. | 2432, 4119, Karridale | G3H and 31D, 32E | 1962 |
| Hartwell Bros. | - | Gameleigh, Dowerin | 2HH | 1912 |
| Hartzer | C. J. | Forest Grazing, Greenbushes | 1HZ | 1962 |
| Haruzan | Uzonoe | Lawlers, East Murchison | HU2 | 1912 |
| Haruzan | Uzunoe | Lawlers, East Murchison | HU2 | 1924 |
| Haruzan & Khan | Uzunoe & Hyat | Commonage, Lawlers | UH3 | 1924 |
| Harvey | A. E. | Nobels Bridge and Le Sarr, Arthur River, West Wagin | 7AY and 113B, 8A | 1962 |
| Harvey | Arthur | Noblebridge Farm, Arthur River | 7AY | 1924 |
| Harvey | B. | Jilbadji 509, 510 and 515, Moorine Rock | 6BH and 39B, 20A | 1962 |
| Harvey | B. E. | Glenidol, East Wagin | B3H | 1912 |
| Harvey | B. E. | Glenidol, Wagin East | B3H | 1924 |
| Harvey | C. A. | Mt Hardy, York | CH4 | 1912 |
| Harvey | C. A. | Mt Hardy and Gwambygine, via York | CH4 | 1924 |
| Harvey | C. R. & J. F. | Ormidale, Katanning | R8H | 1912 |
| Harvey | C. R. & J. F. | Ormidale, Cartmeticup, via Katanning | R8H | 1924 |
| Harvey | Chris. | Common, Mt Magnet | 7RV | 1924 |
| Harvey | D. H. | Avondale Farm, Qualin Siding, York | D3H | 1912 |
| Harvey | E. | Kooanillinh | EH1 | 1912 |
| Harvey | E. | Bawderding, Dumbleyung | H3Y | 1912 |
| Harvey | E. | Kooanilling | EH1 | 1924 |
| Harvey | E. | Bawderding, Dumbleyung | H3Y | 1924 |
| Harvey | E. A. | Red Gum Valley, Thomas Brook, via Donnybrook | 9HV and 44C, 12E | 1962 |
| Harvey | E. H. | Ercildonne, East Wagin | 4HY | 1912 |
| Harvey | F. C. & M. B. | Ornidale, Lake Grace | R8H and 35D, 34E | 1962 |
| Harvey | F. M. | Hope Valley, Rockingham | 3KY and 15D, 7E | 1962 |
| Harvey | Fanny Mary | Hope Valley, Rockingham | 3KY | 1924 |
| Harvey | Fred & Mrs F. | Hope Valley, Rockingham | 3RV | 1924 |
| Harvey | G. E. | Cloverley, Mokine | 1HY and 47A, 21B | 1962 |
| Harvey | Geo. | SmithsRun, Boulder | GH5 | 1924 |
| Harvey | Gerard A. F. | Dorakin, Quairading | O9V | 1925 |
| Harvey | Geroge | Smith's Run, Boulder | GH5 | 1912 |
| Harvey | H. E. | Ercildoune, Wagin East | 4HY | 1924 |
| Harvey | H. F. | Sudley, Harvey | G1F | 1912 |
| Harvey | H. F. | Dromin, Harvey | G1F | 1924 |
| Harvey | H. J. | Minined Station, Mekkathara | HJ0 and 4D, 13E | 1962 |
