| Houghton | Ethel M. | Stowmarket Farm, Ajana, Northampton | UC9 | 1924 |
| Houghton | G. R. | Greendale, Nulcairn, Cowcowing | R5H | 1912 |
| Houghton | G. R. | Greendale, Nalkain, Cowcowing | R5H | 1924 |
| Houghton | Leonard E. | Stowmarket Farm, Ajana, Northampton | ZZ8 | 1924 |
| Houghton | S. A. | Glenisla, Heidelberg | 6HF | 1912 |
| Houghton | S. A. | Glenisla, Heidelberg | 6HF | 1924 |
| Houghton Wines Co. | - | Houghton Wines, Middle Swan | HW7 and 59F, 23B | 1962 |
| Houlahan | Wm. | Connolly's Siding Coolgardie | XH2 | 1924 |
| Hoult | J . W . | Faure Island, Sharks Bay | UH2 and 17B, 3E | 1962 |
| Hoult | J. F. | Newington Farm, Coogee | 8FH | 1912 |
| Hoult | J. F. | Newington Farm, Coogee | 8FH | 1924 |
| Hoult | Wm. J. | Nanga Station, Sharks Bay | UH2 | 1924 |
| Hounsham | (Mrs) C . N . | Yate Creek, Ongerup | C8H and 49B, 18E | 1962 |
| Hounsham | F . T . | Yate Creek, Ongerup | 2HF and 14C, 104E | 1962 |
| Hounsham | H . & A . J . | Kent 1334, Borden | HA0 and 108D, 84E | 1962 |
| Hounslow | A. E. | Ooterwarrie, Narra Tarra | 3HO | 1912 |
| Hounslow | A. E. | Ooterwarrie, Narra Tarra | 3HO | 1924 |
| Hourigan | J. | Loc. 1630, Pithara | Y4O | 1924 |
| House | Aubrey Edwd. | Glemore, Yallingup | UE5 | 1924 |
| House | B . L . & D . H . | Wong Wong, Watheroo | DH0 and 12B, 67A | 1962 |
| House | C . M . | Clarina, Lower Chittering | 7ZH and 84A, 32B | 1962 |
| House | C. | Pile Road, Bunbury | 1OH | 1912 |
| House | C. | Pile Road, Bunbury | 1OH | 1924 |
| House | C. J. | C.P. Lease 1466, Mount Barker | ZK7 | 1924 |
| House | C. P. | Thorn Hill, Yalingup | 1XC | 1912 |
| House | C. P. | Thorn Hill, Yallingup | 1XC | 1924 |
| House | D . K . | Privett Farm, Gnowangerup | Y1O and 39C, 25A | 1962 |
| House | E . K . | Knuckalgup, Sussex, 451, 453, 2687, 925, 937, 774, 4015, Yallingup | Y6A and 29E, 37D | 1962 |
| House | E . L . | Valliere, Ludlow | 1XC and 19B, 19E | 1962 |
| House | E. M. | Swamp Farm, Capel | EH8 | 1912 |
| House | E. M. | Swamp Farm, Capel | EH8 | 1924 |
| House | Ely E. | Avondale Farm, Katanning | EZ7 | 1924 |
| House | F . O . | Barloo, Gnowangerup | F0H and 45B, 23A | 1962 |
| House | F. M. & M. R. | Eugenup, Gnowangerup | F5M | 1912 |
| House | Frd. Maurice | Privett Farm, Gnowangerup | Y1O | 1924 |
| House | Fredk | Wandering Farm, Capel | H1C | 1924 |
| House | Fredk. | Wandering Farm, Capel | H1C | 1912 |
| House | G . M . | Wicktonlea, Katanning | 4GH and 2C, 80A | 1962 |
| House | G. E. H. | Chilbolton, Katanning | B1Z | 1912 |
| House | G. E. M. | Chilbolton, Katanning | B1Z | 1924 |
| House | Hirzel E. | Avondale and Oakbank, Katanning | 1HH | 1927 |
| House | J . A . | Glenmore, Yallingup | UE5 | 1962 |
| House | Lucy | Commonage, Bunbury | LH6 | 1912 |
| House | Lucy | Farm at Picton, Picton | LH6 | 1912 |
| House | Lucy | Commonage, Bunbury; Farm at Picton, Picton | LH6 | 1924 |
| House | M . L . | Mallaine, Ludlow | HO6 and 84D, 3E | 1962 |
| House | M. R. | Eugenup, Gnowangerup | F5M | 1924 |
| House | R . P . | Yarralee, Toodyay | Z5H and 26D, 118E | 1962 |
| House | R . S . | Loc. 3246, 2034, Capel | EH8 and 17C, 80A | 1962 |
| House | V . J . | Amber Flats, Busselton | 1AF and 3D, 15E | 1962 |
