| Poland, | F. F. | Yargalain, Wannamal | FP7 and 29D, 14E | 1962 |
| Polelle Pastoral Co. | - | Polelli Station, Nannine | 3ZX and 44C, 29A. | 1962 |
| Poletti | R. | Oakley, Tambellup | 8PR | 1912 |
| Poletti | R. | Terono, Tambellup | 9PR | 1924 |
| Polhtt | J. & P. | Fairbairn, Wooroloo | P0L and 115B, 27A | 1962 |
| Polhtt | J. K. | 74, Bassendean | 0KP | 1962 |
| Polinelli Bros. | - | Loc. M.1252, Chittering, Via Muchea | PM8 and 102C, 54F | 1962 |
| Polkingham & Yuill | F. L. & C. H. | Yilgarn Locs. 149, 150, Westonia | Q5E | 1924 |
| Polkinghorn | A. S. | Avon 13502, 14660, Tubuk, Via Brookton | 2AP | 1962 |
| Polkinghorn | D. A. | Vinegar Hill, Jubuk, Via Corrigin | DP4 and 44B, 41E | 1962 |
| Polkinghorn | I. G. | Wundowlin, Welbungin | 9LP and 48B, 19E | 1962 |
| Polkinghorn | J. D. | Avon Loc. 14407, Welbungin | J0P and 34C, 103A | 1962 |
| Polkinghorne | A. S. | Terono, Tambellup | 2AP | 1912 |
| Polkinghorne | A. S. | Lakeside, Boulder | 2AP | 1924 |
| Polkinghorne | Ira G. | Quandong Vale, Mt. Marshall | 9LP | 1924 |
| Polkinghorne | Violet | Welbungin, via Kununoppin | VP8 | 1924 |
| Pollard | A. & H. | Bannister, Boddington | 7HP | 1924 |
| Pollard | C. A. | Lakeside, Boulder | XP0 | 1912 |
| Pollard | C. A. | Blackwood Vale, Bridgetown | XP0 | 1924 |
| Pollard | E. N. | Fern Ridge 563-4, 1208, Lower Williams | 6EP and 30B, 37E | 1962 |
| Pollard | G. | Mundup, Cockburn Sound 83-4, North Dandalup | WP6 and 7D, 22E | 1962 |
| Pollard | Geo. | Blackwood Vale, Bridgetown | G7W | 1912 |
| Pollard | Geo. | Fern Hill, Marradong | 9GP | 1924 |
| Pollard | Geo. | Mundup, North Dandalup | G7W | 1924 |
| Pollard | H. C. | Ynackelup, Boyup Brook | P0L and 49C, 41A | 1962 |
| Pollard | H. N. & | The Netherlands, Armadale | NP7 and 33C, 67A | 1962 |
| Pollard | H. N. & E. E. G. | Coorong, Ninghan 2165, 2541, 2325, 2421, Kalannie | S3S and 35D, 42E | 1962 |
| Pollard | H. O. | Bannister, Boddington | 7HP | 1927 |
| Pollard | H. R. | The Laurels, Darkan | R9P and 10C, 103E | 1962 |
| Pollard | H. W. | Plantagenet 5496, Albany | H8P and 108B, 17A | 1962 |
| Pollard | J. E. | Korrinup, Kojonup | P9X | 1924 |
| Pollard | J. E. | Hillside, Albany | P6E and 37B, 106A | 1962 |
| Pollard | J. H. | Lorndale, Wyola | PJ3 | 1912 |
| Pollard | J. H. | Lornadale, Wyola | PJ3 | 1924 |
| Pollard | James | Mundup, North Dandalup | 1PJ | 1912 |
| Pollard | James | Glenn, Marradong | 1PJ | 1924 |
| Pollard | John A. | Bannister, Wandering | HP6 | 1912 |
| Pollard | John A. | Bannister, Wandering | HP6 | 1924 |
| Pollard | K. A. | Bellvue Farm, Southern Cross | 1KP and 6B, 119A | 1962 |
| Pollard | K. R. & L. L. | Rifle Downs, Darkan | XP0 and 17C, 7A | 1962 |
| Pollard | Louis | Springfield, Marradong | P3T | 1926 |
| Pollard | M. A. | Red Hill, Marradong | M0P | 1912 |
| Pollard | M. A. | Red Hill, Marradong | M0P | 1924 |
| Pollard | Margaritte L. | Milner Avenue, Boulder | 6PX | 1925 |
| Pollard | R. E. J. | 5 Milner Ave, Boulder | 6PX and 67B, 11E | 1962 |
| Pollard | R. I. | Bannister, Wandering | R9P | 1924 |
| Pollard | Reuben | Greenhills, Crossman | UP9 | 1924 |
| Pollard | T. H. | Bannister, Wandering | 7HP | 1912 |
| Pollard | Thos. | Springfield, Marradong | P3T | 1912 |
| Pollard | Thos. | Springfield, Marradong | P3T | 1924 |
