| Harrison | M. | Marri Bank, Udue Harvey | MH1 and 120, 107D | 1962 |
| Harrison | M. G. | Hi-Tor, Kojonup | NH3 and 29 D, 116E | 1962 |
| Harrison | Mark | Marri Bank, Uduc, Harvey | MH1 | 1928 |
| Harrison | N. | Elenback, Denmark | NH0 | 1962 |
| Harrison | Paul | Bankfield, Rudgyard, near Denmark | 4PK | 1924 |
| Harrison | R. | Chinamans Well, Wubin | ZY4 | 1924 |
| Harrison | R. H. & T. G. | Wattledene, Greenough | 8HN and 3C, 43E | 1962 |
| Harrison | Ralph T. | Koora Downs, Round Hill, via Moora | R0V | 1924 |
| Harrison | Richard | Dingle Farm, Waddouring, Mt. Marshall | D2F | 1924 |
| Harrison | S. & E. | Rock of Ages, Greenough | SE4 | 1924 |
| Harrison | T. & M. | 3857, 10846, part 4389, Dinninup | TM4 and 21C, 26A | 1962 |
| Harrison | Thos. W. | Vasse River, Busselton | T7H | 1924 |
| Harrison | V. W. | The Six Hundred, Durunillin | 1VH and 10B, 84E | 1962 |
| Harrison | W. | Gereldton | H4W | 1924 |
| Harrison | Wm. | Williams Loc. 10900, East Wagin | 3VO | 1924 |
| Harrison | Wm. | Narngulu, Greenogh Flats | HN7 | 1924 |
| Harrison | Wm. | Dry Creek, P. O. Katanning | L3T | 1924 |
| Harrison | Wm. Jos. | Mt Nanyer Station, Mullewa | VK5 | 1924 |
| Harrison | Wm. R. | Manor Farm, Northhampton | H9N | 1924 |
| Harrison & Son | A. | Lot. 22-23, Kelmscott | H8V and 108B, 28A | 1962 |
| Harrison & Sons | G. O. | Lilydale, Kojonup | GK8 and 28B, 45A | 1962 |
| Harrison & Sons | M. D. | Windy Ridge, Kojonup | C6H and 28B, 35E | 1962 |
| Harrison ( Jnr) | W. | William Loc.10900, Kukerin | 3VO and 17D, 39E | 1962 |
| Harrison Bros. | - | Coyrecup, Katanning | H5T | 1924 |
| Harrod | A. P. | Sleepdowns, Dalwallinu | P1H and 31E, 18D | 1962 |
| Harrod | Bert | Kirami, Kununoppin | Y4D | 1924 |
| Harrod | G. E. | Bethney, Brunswick Junction | Z1H | 1962 |
| Harrod | J. | Kathleen Vale, Brunswick Junction | J4H and 56F, 33D | 1962 |
| Harrod | John | Kathleen vale, Kununoppin | J4H | 1928 |
| Harrod | L. H. J. | Will. 15032, Boddington | HL9 and 109B, 110A | 1962 |
| Harrold | Edmond | Mokine Park, Mokine | 2EZ | 1924 |
| Harrold | N. G. | Naranio, Pinjarra | N3H and 36B, 105A | 1962 |
| Harrold & Magner | - | Mokine Park, Mokine | 7XJ | 1924 |
| Harrop | Catherine | Hill Farm, Cunderdin | C8S | 1912 |
| Harrop | Catherine | Hill Farm, Cunderdin | C8S | 1924 |
| Harrop | G. H. | Commonage, Northam | GH3 | 1912 |
| Harrop | G. H. | Commanage, Northam | GH3 | 1924 |
| Harrop | R. L. | 1085 & 1317, Ongerup | 6RL and 25B, 120E | 1962 |
| Harrop | S. R. | Kent 1316 &354 Thisllyo, Ongerup | SH5 and 40E, 71D | 1962 |
| Harry | Arthur | Roath Lake FArm, Lot 349, Ongerup | 9HX | 1924 |
| Harslett | Edwin Henry | M.H. L. 14, Prinsep Street, Norseman | UQ7 | 1925 |
| Harsley | W. H. | Many Water, Redmond | 7MA | 1962 |
| Harstedt | A. J. | Wickepin, Narrogin | A6H | 1912 |
| Harstedt | A. J. | Wickepin, Narrogin | A6H | 1924 |
| Hart | A. & R. K. | Park Ville, Dangin | RX8 | 1924 |
| Hart | A. J. | Avon Loc. 15182, Merridin | UH9 | 1924 |
| Hart | A. J. | Avon Loc. 15182, Nukarui | UH6 and 29A, 42B | 1962 |
| Hart | Alfred | Northampton, Victoria District | A4H | 1912 |
| Hart | Alfred | Northampton, Victoria District | A4H | 1924 |
| Hart | Dan | Princess Rosa, Norseman | DH3 | 1912 |
