| Hayes | W. R. | Kenwick Park, Maddington | 4VH | 1924 |
| Hayes | W. T. | Spring Vale, Scott's Brook | 8HT | 1912 |
| Hayes | W. T. | Spring Vale, Scotts Brook | 8HT | 1924 |
| Hayes | Wm. Henry | Southern River Road, Gosnells | 1ZO | 1924 |
| Hayes & Co | J. | Greenwood Station, Meekathara | LU7 and 10C, 18E | 1962 |
| Hayes & Co | R. J. | Kwindarra, Yoting | C2H and 4D, 49E | 1962 |
| Haygarth | J. S. | Rainsworth, Middle Swan | EW3 and 43E, 8D | 1962 |
| Hayhow & Cornford | - | Hayford, Totadjin, Merriden | 3HX | 1912 |
| Hayhow & Cornford | - | Hayford, Totadjin, Merredin | 3HX | 1924 |
| Hayles | A. W. | Nelson Locs 9783-4, Manjimup | 5HA and 44C, 103A | 1962 |
| Hayles | B. E. | Nelson Loc 4203, Manjimup | B2H and 112B, 13A | 1962 |
| Hayles | N. W. | Grantham, Donnybrook | N5H and 28A, 35B | 1962 |
| Hayley | F. & G. A. | Karra Gully, Naraling | DE7 and 39E, 17B | 1962 |
| Hayley | J. E. | Hilldale Farm, Bussleton | JH4 | 1962 |
| Hayman | Frank | Water Vale, East Beverley | X8U | 1924 |
| Haynes | A. | Loc. 1352, Muchea | Q8A | 1924 |
| Haynes | A. J. | Melbourne 2610, 2930, Avon 19967, Calingiri | 0AH and 19C, 119E | 1962 |
| Haynes | Arthur G. | Nornalup Glen, Nornalup | A0H | 1928 |
| Haynes | C. H. | Quindanning, Quindanning | 4CH | 1912 |
| Haynes | C. H. | Quindanning | 4CH | 1924 |
| Haynes | C. H. A. & C. B. | Lyndurst, Wagin | H7C and 42C, 102E | 1962 |
| Haynes | Cecil G. | Read Dale, Denmark | EH7 | 1924 |
| Haynes | E. E. A. & G. M. | Hill Grove Farm, Pinjarra | VE4 and 84A, 41B | 1962 |
| Haynes | E. J. A. | Gnangarra, Wanneroo | EH7 | 1912 |
| Haynes | E. J. C. | Inchigagin, Armadale | EH2 | 1962 |
| Haynes | G. F. & S. | Haynesdale and Greenhands, Cranbrook | H1O and 32D, 24E | 1962 |
| Haynes | H. T. | Carrabining, Carrabining East | 0NY | 1924 |
| Haynes | Herbert C. | Albany | KK6 | 1924 |
| Haynes | J. I. | Shepherds Rest, Frankland River, via Cranbrook | 1YN | 1924 |
| Haynes | Lilly | Dalgety Downs, Carnarvon | L1Q | 1924 |
| Haynes | R. | Yellabup, Cranbrook | AX2 and 6B, 15E | 1962 |
| Haynes | R. G. | Quainering, Williams | RH2 | 1912 |
| Haynes | R. G. | Quainering, Williams | RH2 | 1924 |
| Haynes | R. J. | Three Springs, Manjimup | RJ6 and 17A, 3C | 1962 |
| Haynes | T. J. & D. M. | Shepherd's Rest, Frankland River via Cranbrook | 1YN and 17A, 3C | 1962 |
| Haynes | W. G. | Kangaroo Run, Cranbrook | YH4 | 1924 |
| Haynes | Wm. Walter | Quandering, Daylerking | WH7 | 1912 |
| Haysom | Henry | Burkinning, Popanying | H2H | 1912 |
| Haysom | Henry | Burkinning, Popanyinning | H2H | 1924 |
| Hayter | C. & J. | Avon 22850, Narembeen | 2CJ and 29A, 37B | 1962 |
| Hayter | Chas. Hv. | Forrest Home, Dowerin | CH1 | 1912 |
| Hayter | Henry | Forrst Home, Dowerin | CH1 | 1924 |
| Hayter | Juanita | Hayters Farm, Mt. Magnet | 5ZH | 1924 |
| Hayter | L. J. | Loc 208, Narembeen | L6H and 16B, 119A | 1962 |
| Hayter | M. S. | Avon Loc. 24447, Dowerin | SH1 and 34D, 84E | 1962 |
| Hayter | W. L. | Myona, Narembeen | LH0 and 17C, 46E | 1962 |
| Haythornthwaite | A. | Buginee, Quairading | L0H and 38B, 16E | 1962 |
| Haythornthwaite | B. | Three Springs, Quairading | HQ7 and 47D, 39E | 1962 |
| Haythornthwaite | E. J. (Mrs) | Mengelling, Quairading | JH9 and 3A, 21B | 1962 |
| Haythornthwaite | G. | Morchip, Quairading | H3U and 19C, 109E | 1962 |
