| Willis | J. G. | Kallaroo, Kondinin | J0W and 12C, 22E | 1962 |
| Willis | Jas. | Clover Downs, Leonora | 2OS | 1912 |
| Willis | Jas. | Clover Downs, Leonora | 2OS | 1924 |
| Willis | Jos. | Winterfold Estate, South Fremantle | 5WV | 1924 |
| Willis | Joseph | Winterfold Estate, South Fremantle | 5WV | 1912 |
| Willis | T. W. | Fair Vue, Yandanooka | K6X and 11C, 9E | 1962 |
| Willis | Thomas W/arren | Fair Vue, Yandanooka | K6X | 1925 |
| Willis | Thos E. | Champion, Kanowna | TW9 | 1924 |
| Willis | Thos. E. | Champion, Kanowna | TW9 | 1912 |
| Willis | W. L. | Ashley, 20017, Nukarni | L7W and 7B, 112A | 1962 |
| Willis | Wm. Arthur | Avon Loc. 19983, Overdale, Newcastle | 3KW | 1924 |
| Willis & Sons | J. | Burnside, Mt. Barker | V2V | 1912 |
| Willis & Sons | J. | Burnside, Mt. Barker | V2V | 1924 |
| Willis Bros. | - | Walardy, Jitarning | 1WA | 1928 |
| Williss | S. A. & D. E. | Eatondale, Mt. Barker | O0U and 33B, 26E | 1962 |
| Williss | Sidney A. | Eatondale, Mt. Barker | O0U | 1924 |
| Williss & Co. | G. H. E. | Burnside, Mt. Barker | V2V and 43C, 7A | 1962 |
| Willmott | A. J. | Sandbrook, Pingelly | A6W | 1912 |
| Willmott | A. J. | Sandbrook, Pingelly | A6W | 1924 |
| Willmott | C. | Charlerton Park, Pingelly | 6WT | 1912 |
| Willmott | C. | Charleton Park, Pingelly | 6WT | 1924 |
| Willmott | Chas Hy. | Booridgie, Pingelly | 1HW | 1924 |
| Willmott | Chas. Hy. | Booridgie, Pingelly | 1HW | 1912 |
| Willmott | E. P. B. | Basildene, Margaret River | EW1 and 14C, 115E | 1962 |
| Willmott | F. D. | Geegeelup, Bridgetown | Z7W and 32B, 110A | 1962 |
| Willmott | F. E. S | Applewood, Bridgetown | GT2 | 1924 |
| Willmott | Geo. | Woolanooka, Walkaway | WR5 | 1924 |
| Willmott | H. & L. | Avon 22181, 19173, 21600, 24677, 24349, Cunderdin | HW1 and 10C, 27E | 1962 |
| Willmott | J. C. | Applewood, Bridgetown | GT2 and 11B, 22A | 1962 |
| Willmott | J. R. | Sandilands, Busselton | 7XF and 12C, 15E | 1962 |
| Willmott | Jos. | Commonage, Kanowna | QW4 | 1924 |
| Willmott | L. R. | Whyalla, Moulyinning | R4W and 19B, 18A | 1962 |
| Willmott | P. H. | Cooldawinda, Vasse | 0PW and 44B, 25E | 1962 |
| Willmott | S. C. | M.H. Lease 12, Kanowna | SW7 | 1912 |
| Willmott | W. L. | Avoca Farm and Wildwood Farm, Moulyinning | 6WO and 56F, 13C | 1962 |
| Willmott | Wm. | Wildwood, 125 Gate East, Dumbleyung | 6WO | 1912 |
| Willmott | Wm. | Wildwood. 125 Gate, East Dumbleyung | 6WO | 1924 |
| Willmott | Wm. Henry | Sandilands, Busselton | 7XF | 1924 |
| Willmott Bros. | - | Donnelly Downs, Bridgetown | X7W and 33B, 48E | 1962 |
| Willock | A. V. & I. M. | 9737-8-9 Evermore, Lake Grace | 8AW and 26B, 119E | 1962 |
| Willock | C. L. | 106943, 9733, Lake Grace | C3W and 34C, 84A | 1962 |
| Willock | Garnet Stanley | lease 2944/102, Mt. Weld, Laverton | K5W | 1924 |
| Willock | H. E. | Gunnerside, Walton near Lake Grace, Wagin East | W4K | 1912 |
| Willock | H. E. | Gunnerside, Walton, near Lake Grace, Wigin east | W4K | 1924 |
| Willock | W. H. G. | Woodside, Lake Grace, Dumbleyung | 1KW | 1924 |
| Willock & Harvey | - | Gunnerside, Lake Grace | W4K and 33C, 47E | 1962 |
| Willoughby | A. A. | Gairdner River Block 76, Jerramungup | A8W and 118B, 109E | 1962 |
| Willoughby | W. F. | Quindabellup, Rocky Gully | S7W and 24B, 18E | 1962 |
| Willows | D. A. | Lot 173, Riverton | DA5 | 1962 |
| Wills | Alfred | Loc. 5207, Popanyinuing | W4Q | 1924 |
