| Blee | George | Roseberry Farm, Wagin | B1E | 1912 |
| Blee | J. F. G. | Loc. Sussex 2235/2286, Cowaramup | 1JB | 1962 |
| Bleechmore | A. G. | Tara, mcalinden via Noggerup | 4RC and 17B, 7E | 1962 |
| Bleechmore | B. C. | Block 1454, Esperance | 7VU and 20C, 26E | 1962 |
| Bleechmore | C. | Location 8247, Nannup | 7VU | 1924 |
| Blenkinsop | N. | Beechworth Farm, Morawa | 1NX | 1924 |
| Blenkisop & Son | N. N. | Huntley Part 3881,3880,4880,4881, Morawa | 1NX and 20B, 37E | 1962 |
| Bligh & Co. | J. F. | Melara, Mingenew | B1L and 48B, 44E | 1962 |
| Blight | A. H. | Hillside Farm, Piesseville | P4W | 1928 |
| Blight | A. H. | Hillside Farm, Highbury | P4W and 26B, 39E | 1962 |
| Blight | A. L. | Bonnie Banks, Highbury | RB7 and 14C, 30E | 1962 |
| Blight | A. L. & J. P. | Avon 23434, 23950, Kondiniu | AL4 and 15D, 111E | 1962 |
| Blight | B. M. | Coorawarren, The Lakes | 6BM and 36B, 34A | 1962 |
| Blight | Benj. | Verona Farm, Wickepin | 9BW | 1912 |
| Blight | Benj. | Verona Farm, Wickepin | 9BW | 1924 |
| Blight | E. A. | Dale View, Beverley | BX8 and 33D, 36E | 1962 |
| Blight | E. D. | Fair View, Beacon | 9BE and 45C, 41E | 1962 |
| Blight | J. R. | Geraldton Block, 24 Narra Tarra Estate, Geraldton | RJ8 | 1912 |
| Blight | J. R. | Geraldton Block 24, Narra Tarra Estate, Geraldton | RJ8 | 1924 |
| Blight | James R. | East View, Highbury Siding G.S. Rly. | 9BL | 1912 |
| Blight | James R. | East View, Highbury Siding | 9BL | 1924 |
| Blight | L. J. | Loc. 655, Newdegate | 9BL and 23A, 38B | 1962 |
| Blight | L. R. | Seamore, Highbury | 9YO | 1924 |
| Blight | M. V. | Seymour, Highbury | MV1 and 22C, 15E | 1962 |
| Blight | R. F. | Rose Park, Highbury | VB8 and 115B, 21E | 1962 |
| Blight | R. H. | Ptn. Peel Est. Lot, Byford | K3W and 54F, 41B | 1962 |
| Blight | R. R. | Rock Hill, Barton | BX8 | 1924 |
| Blight | R. W. | Avon 13755, Tatiara Homestead, Corrigin | R0B and 22C 84E | 1962 |
| Blight | V. L. | Rose Park, Narrogin West | VB8 | 1924 |
| Blight | W. J. | Seamor Farm, Wolwooling Siding | BO2 | 1912 |
| Blight | W. J. | Seamore Farm, Woolwooling Siding | BO2 | 1924 |
| Blight | W. M. | Loc. 2982, Beacon | BN3 and 51F, 30D | 1962 |
| Blight | W. R. A. | Rock Hill, Piesseville | BW3 and 12B, 38E | 1962 |
| Blight & Son | L. & I. | Wattoning, Corrigin | LB4 and 20C, 120E | 1962 |
| Blina Pty. Ltd. | - | Blina, Derby | 9HW and 20C, 114A | 1962 |
| Bliss | Arthur | "Lake View" Wurnup, Katanning East | 6VA | 1924 |
| Blizard | A. | Swan Loc. 1231, M 2059, M145, Mooliabeenie | 7BZ and 119A, 14B | 1962 |
| Blizard | M. A. | Melb. CG 1359, Mooliabeenie | B3A and 84D, 27E | 1962 |
| Blomfield | A. | Block 227, Welshpool | B9A | 1912 |
| Blomfield | A. | Block 227, Welshpool | B9A | 1924 |
| Blomfield | A. A. | 1417, Esperance | HY5 and 114D, 19E | 1962 |
| Blonde | J. E. | Booklyn, Cowaramup | BL5 and 80B, 33E | 1962 |
| Blood | H. D. | Darlington, Bolgart | HB9 and 117, 17B | 1962 |
| Blood | Robert | Bebering Park, Meckering | 3YQ | 1925 |
| Bloom | Alf. | Mt. Hary, York | 7BA | 1924 |
| Bloom | Alfd. | Mt. Hardy, York | 7BA | 1912 |
| Bloom | F. G. | 20888-9, 10902-3,18457, 13177, Dangin | 7BA and 53F, 84C | 1962 |
| Bloom | Fredk. | Roebourne | N6B | 1924 |
| Bloom | L. S. | 7661, 7660, 9933, 9586, 9127, 17423, Quairading | L9B and 44B, 59F | 1962 |
| Bloomfield | D. C. | 2580, Kalannie | D2B and16B, 48A | 1962 |
