| Wellstead | Geo. E. | Mountain Bell, Worrongup, Salt River, Gnowangerup | X6X | 1924 |
| Wellstead | I. K. | Kentwood, Kent, Loc. 270, 346-7, Ongerup | K7W and 49B, 117A | 1962 |
| Wellstead | J. | Bremer Bay and Jame Vale, Bremer Bay | JW6 | 1912 |
| Wellstead | J. | Bremer Bay and Jam Vale, Bremer bay | JW6 | 1924 |
| Wellstead | J. A. | Harby, Borden | 2DW | 1962 |
| Wellstead | J. J. & G. | Bill-a-bong, Tambellup | JW6 and 2C, 106A | 1962 |
| Wellstead | John | Martiquinup, Broome Hill, Via Salt River Mail | W6E | 1924 |
| Wellstead | John jun. | Martinquinup, Brrome Hill via Salt River Mail | W6E | 1912 |
| Wellstead | K. A. | Kent. Loc. 1230 and 359, Ongerup | KW6 and 37B, 50A | 1962 |
| Wellstead | K. M. & M. P. | Petersham, Borden | 9NE and 10D, 17E | 1962 |
| Wellstead | L. A. | Yandee, Bremer Bay | 2XX and 30B, 5E | 1962 |
| Wellstead | L. J. | Jerramongup 1073, Needilup, via Ongerup | LW7 and 17C, 23E | 1962 |
| Wellstead | M. | Yonga Lee, Borden | WM8 and 18B, 110A | 1962 |
| Wellstead | N. G. | Plantagenet 2199 Mundeup, Perillup, via Mt. Barker | W6E and 36B, 15E | 1962 |
| Wellstead | R. M. | Arizona, Borden | R9W and 3B, 42E | 1962 |
| Wellstead | Robt. W. T. | Jam Vale, Sandalwood, Via Gnowangerup | W3Q | 1924 |
| Wellstead | Roderick | Arizona Farm, Gnowangerup | 8WV | 1924 |
| Wellstead | W. | Peppermint Grove, Bremer Bay | QW6 and 3B, 4A | 1962 |
| Wellstead | W. M. | Peppermint Grove, Bremer Bay, via Ongerup | BW0 and 45B, 35E | 1962 |
| Wellstead | Wm. | Bremer Bay | QW6 | 1924 |
| Wellstead & Co. | F. K. | Kent. 315, 830-1, 1202, 1229, 1222, Wirra, Borden | 9KF and 115D, 23E | 1962 |
| Wellstead & Son | R. W. T. | Jam Vale, Borden | W3Q and 27B, 6A | 1962 |
| Wellstead Bros. | - | Bremer and Warrangup, Bremer Bay | W3B | 1924 |
| Welsh | B. S. | Blocks 23383/55, 12658/74, Yorkrakine | Y1V | 1924 |
| Welsh | F. R. | Coonjan Station, Port Hedland | F3W | 1912 |
| Welsh | F. R. | Coonjan Station, Port Hedland | F3W | 1924 |
| Welsh | John | Quinwindup, Kojonup | 6WQ | 1912 |
| Welsh | John | Quinwind, Kojonup | 6WQ | 1924 |
| Welsh | N. W. B. | Locs. 6, 11, 12, 13, Holleton | NW1 and 23D, 107E | 1962 |
| Welsh | W. B. | Glenvale, Wooroloo | 9WW | 1912 |
| Welsh | W. B. | Glenvale, Wooroloo | 9WW | 1924 |
| Welsh | W. E. | Annfield, Gabbin | 8WE and 49C, 19A | 1962 |
| Welsh Bros. | (W. A. & F. H.) | Burnside, Coolup | 2XW and 9B, 80A | 1962 |
| Welshman Bros. | (F. & W. T.) | Eastmore, East Pingelly | 7WB and 1C, 23A | 1962 |
| Wemm | C. W. | Tarcoola, Bridgetown | QL5 and 71D, 15E | 1962 |
| Wendt | A. R. & D. C. | Donaldi, Collie | WN5 | 1962 |
| Wendt | H. F. G. | Concordia Farm, Capel | U1W | 1912 |
| Wendt | H. F. G. | Concordia Farm, Capel | U1W | 1924 |
| Wendt Bros. | - | Whitwood, Doodlakine | W5V | 1924 |
| Wenlock | L. H. | Grass Valle, Grass Valley | 7WQ | 1924 |
| Wenn | Eebenezer H. | Commonage, South Bunbury | 1WZ | 1924 |
| Wennecke | J. G. | Appitta, Katanning | 2WJ | 1912 |
| Wennecke | J. G. | Appitta, Katanning | 2WJ | 1924 |
| Wepowie Pastoral Co. | - | Wepowie, Ogilvie | KH0 and 46B, 19E | 1962 |
| Werdanen | Albert | Springdale, Trayning | V6W | 1924 |
| Werndly | H. T. | Timmera Farm, Dowerin | K7W | 1924 |
| Werner | E. J. | Wareek, Katanning | 1OW | 1924 |
| Werner | J. A. | Neurea, Highbury | A7J | 1912 |
| Werner | J. A. | Neurea, Highbury | A7J | 1924 |
| Werrilda Ltd. | - | Werrilda, Koojan | M4E | 1925 |
