| Piggott | C. R. | Thurloo, Busselton | 5NJ and 15C, 22A | 1962 |
| Piggott | Charlotte | Spring Hill, Bunbury | 0CP | 1912 |
| Piggott | Charlotte | Spring Hill, Bunbury | 0CP | 1924 |
| Piggott | F. C. | Woodville, Manjimup | 6OU | 1924 |
| Piggott | H. | Spring Hill, Bunbury | 4PH | 1912 |
| Piggott | H. | Roseville, Brunswick Junctioin | 4PH | 1924 |
| Piggott | J. J. | 159-60,174-41, Harvey | 1JP and 4B, 50A | 1962 |
| Piggott | James | Block No. 2976, Nelson Loc., Warren River, Manjimup | 1QY | 1925 |
| Piggott | John | Roseville, Brunswick | P6J | 1912 |
| Piggott | John Muir | Block 296 Sussex | 3PJ | 1912 |
| Piggott | Joseph J. | Loc. 182, Hay River | 1JP | 1912 |
| Piggott | K. E., R. K., E. E., M. M., J. S. | Harvey A.A. 238, Yarloop | N4R | 1962 |
| Piggott | K. H. | Wellington 2998, 2301, Yarloop | K3P and 116A, 1C | 1962 |
| Piggott | L. W. | Longswamp, Coast Road, Harvey | 2LP | 1912 |
| Piggott | M. A. J. | Long Swamp, Australind | MP9 | 1912 |
| Piggott | Mary C. | Brunswick Farm, Brunswick | P3L | 1912 |
| Piggott | O. | Roseville, Brunswick | 4PH and 22D, 17E | 1962 |
| Piggott | R. B. | Korijie Kup, 156-7, 175-6, Harvey | PR1 and 49C, 114A | 1962 |
| Piggott | R. C. J. | 50 H.A.A. Harvey | 9RP and 8B, 8A | 1962 |
| Piggott | T. A. | Spring Hill, Bunbury | PP6 | 1912 |
| Piggott | W. E. | Loc. 100, Harvey | MP9 | 1962 |
| Piggott | W. J. | Waterloo Ford, Waterloo | W7P | 1912 |
| Piggott & Son | T. L. | Yulcan, Bolgart | 1TP and 25B, 104A | 1962 |
| Piggottt | John | Block 296, Sussex | P6J | 1924 |
| Piggottt | John Muir | Loc. 182, Hay River | 3PJ | 1924 |
| Piggottt | Jos. J. | Long Swamp, Australind | 1JP | 1924 |
| Piggottt | M. A. | Long Swamp, Coast Road, Harvey | MP9 | 1924 |
| Piggottt | Mary C. | Spring Hill, Bunbury | P3L | 1924 |
| Piggottt | Rose Mary | Brunswick Farm, Benger | 2LP | 1924 |
| Piggottt | T. A. | Waterloo Ford, Waterloo | PP6 | 1924 |
| Piggottt | Thos. | Long Swamp, Coast Road, Harvey | 8PG | 1924 |
| Piggottt | W. J. | Ditchingham, Australind | W7P | 1924 |
| Piggottt | William | Loc. 6469, Warren River, Manjimup | PQ0 | 1924 |
| Pike | A. W. | Balardon, West Beverley | PE4 and 40B, 35A | 1962 |
| Pike | Arthur E. | Glendora Farm, Dalyup, Esperance | 2XB | 1927 |
| Pike | D. A. | Sussex Loc. Tutunup | K3L and 49D, 22E | 1962 |
| Pike | Evan J. | Nil-Des, Arunta, Greenhills | 2EP | 1912 |
| Pike | Henry | Bulgana, Bridgetown | 6HP | 1912 |
| Pike | Henry | Rosalyn, Doodlakine | 6HP | 1924 |
| Pike | Ida Frances S. | Carabi, Doodlakine | 3KP | 1924 |
| Pike | Jos. | Doolwa, Koolanooka | 3QD | 1924 |
| Pike | M. M. | Epenvalley, Kukerin | 3MP and 20B, 45A | 1962 |
| Pike | R. A. | Albany | P1K | 1928 |
| Pike | R. A. | Arunta, Albany | P1K and 80B, 118E | 1962 |
| Pike | R. D. & R. M. | Eden Vale, Brookton | 3PY and 33C, 30A | 1962 |
| Pike | R. W. & E. J. & E. M. W. & E. | Hanley, West Dale, Beverley | PE4 | 1924 |
| Pike Bros. | - | Ditchingham, Australind | P1K | 1912 |
| Pike Bros. | - | Nil-Des, Arunta, Greenhills | p1K | 1924 |
| Pilatis | N. G. | 2149, 2963, 6787, 893, 1829, Nabawa | N5P and 31B, 26E | 1962 |
| Pilatte | Geo. | Wellington Locs. 1382-3, Shotts, via Collie | 4PG | 1924 |
