| Hitchcock | A. J. | Warradong, Meckering | HX8 and 45D, 6E | 1962 |
| Hitchcock | E. D. N. | Avon 4165, 4166, 14656, 1038, 4494, Meckering | D4H and 21C, 36E | 1962 |
| Hitchcock | E. G. | Wattleup, Naval Base | E3G | 1962 |
| Hitchcock | F. W. | Malabaine, Northam | F2H | 1912 |
| Hitchcock | H. E. F. | Mallabaine, Northam | H6K | 1912 |
| Hitchcock | Henry | Loc. 14, Midland Junction | VHG | 1924 |
| Hitchcock | J. A. | 21892, 19801, Corrigin | 9JA and 49C, 40E | 1962 |
| Hitchcock | J. W. | Carterville, Meckering | F2H and 11C, 58F | 1962 |
| Hitchcock | J. W. H. | Lesterfield, Bowes Siding | K7H | 1912 |
| Hitchcock | L. C. E. | 1466, 2173, 621, Malabaine, via Northam | R0H and 19A, 22C | 1962 |
| Hitchcock | N. F. C. | Avon Locs. 2685, 3179, 3253, Grass Valley | NH9 and 107A, 22B | 1962 |
| Hitchcock | R. C. | Malabine, Northam | R0H | 1912 |
| Hitchcock | W. L. | Calgie, York | L5H | 1912 |
| Hitchcock & Son | V. T. W. | Pynup, Cranbrook | 3FH and 21C, 19E | 1962 |
| Hitchcock Bros. | - | Blackeston, Cunderdin | 4HT and 38B, 35E | 1962 |
| Hitchins | F. S. | Mernda, Blackwood Road, Mt. Barker | 3FH | 1912 |
| Hitsert | J. | 6069, Gnowangerup | J2H and 21A, 19C | 1962 |
| Hitzert | G. | 6071, Gnowangerup | GH9 and 29B, 106E | 1962 |
| Hoad | C. S. | Swan Loc. 1352, Bullsbrook | 3CH and 10A, 32B | 1962 |
| Hoar | Henry | Connewarre, Nungarin | 0UH | 1924 |
| Hoar | Jonathan | Targain, Watheroo | H6J | 1912 |
| Hoar | Jonathan | Targain, Watheroo | H6J | 1924 |
| Hoare | H. L. J. | Lanaubra, Nungarin | 8HL and 25D, 42E | 1962 |
| Hoare | Jas. | Lenanbra, Nangeenan | 8HL | 1912 |
| Hoare | Jas. | Lananbra, Nanageenan | 8HL | 1924 |
| Hoare | W. | Avon Loc. 19158, Ardath | 9WZ | 1924 |
| Hobart | Albert Richard | Yanga Vale, Kwobrup | 0HQ | 1924 |
| Hobart | Benj. W. | Hill View Woodanming | BU8 | 1924 |
| Hobart | H. B. & A. R. | Lyons Court, Kwobrup, via East Katanning | 4NY and 80C, 12A | 1962 |
| Hobart | S. B. & M. J. | Yanga-Vale, Katanning | 0HQ and 84D, 4E | 1962 |
| Hobart | W. H. | Sunnyfield | H9H | 1912 |
| Hobart | W. H. | Sunnyfield, Carmetieup, Katanning | H9H | 1924 |
| Hobart Bros. | - | Blocks 3284, 2669, 2670, 3285, 3283, 3286, Warren Road, Katanning | 7HO | 1912 |
| Hobart Bros. | - | Blocks 3284, 2669, 2670, 3285, 3283, 3286, Warren Road, Katanning | 7HO | 1924 |
| Hobboy | Alfred Douglas | Fitzgerald Locs. 423 & 743, Circle Valley | H0B | 1926 |
| Hobbs | Albert John | Waternoor, Newtown, Busselton | 3HQ | 1924 |
| Hobbs | C. A. | Carinya, West dale, Beverley | H5A and 33B, 107E | 1962 |
| Hobbs | E. I. | Shackleton Farn Shackleton | 1EQ | 1924 |
| Hobbs | F. | Morbinning, via Beverley | 9UK | 1924 |
| Hobbs | F. J. | Deedining, West Dale, Beverloy | 0OH and 30B, 119E | 1962 |
| Hobbs | Hanna M. R. | Menzies Common, Mahon Stree, Menzies | 7RM | 1927 |
| Hobbs | Henry Talbot | Booloogooro Station Carnarvon | V0B | 1924 |
| Hobbs | V. | Red Gums, Kendenup | V8H and 52F, 46C | 1962 |
| Hobbs | V. L. H. (Mrs) | Deedening 46, K12, 2551, 2552, 1734, West dale, via Beverley | FH5 and 113D, 6E | 1962 |
| Hobbs | W. H. | Hill Park Dale, West dale via Beverley | KT7 and 3C, 28E | 1962 |
| Hobbs | Wm. Thos. | Goninwonjie Farm Dale Beverley | KT7 | 1924 |
| Hobbs & Co. | F. | Morbinning, Beverley | 9UK and 10B, 18A | 1962 |
| Hobbs & Co. | W. C. | Woorbealin, Shackleton | 1EO and 48D, 45E | 1962 |
| Hobbs & Criddle | | Mullewa | H6G | 1928 |
| Hobbs & Son | E. H. | Ingle, Brookton | 7HO and 42B, 50E | 1962 |
