| Paton | R. S. M. | Dardering, Kellerberrin | R7P | 1924 |
| Patone | M. | Block 5111, Tarnadupp | 0MP | 1912 |
| Patoue | M. | Block 5111, Jardadup | 0MP | 1924 |
| Patrick | James M. | Tereneze, Terapin, via Kellerberrin | P3N | 1924 |
| Patrick | W. R. & J. | Ladyland, Northampton | P1P and 51F, 6C | 1962 |
| Patrick | Wm. | ninghan Loc. 1688, E. Dalwallinu | N4Y | 1924 |
| Patrick & Sons | - | Ladyland, Geraldton | P1P | 1912 |
| Patrick & Sons | - | Ladyland, Geraldton | P1P | 1924 |
| Patrona | B. D. | Tresivio,Greenbushes | DP1 and 43E, 107B | 1962 |
| Patroni | Bernard | Jubilee, via Kanowna | 5BP | 1924 |
| Patroni | D. | 419, 452-3, 465-6, Marvel Loch | GP7 and 52F, 104D | 1962 |
| Patroni | J. | Glen Hill, Donnybrook | 6PJ | 1924 |
| Patstone | E. T. | Homestead Block 1344, Collie | 9EP | 1924 |
| Patten | D. H. | Sussex 4018, Rosa Glen, Via Margaret River | D4P | 1962 |
| Patten | Ed. M. | Mount Erin Hill, Narra Tarra | EP6 | 1912 |
| Patten | Ed. M. | Mt. Erin Hill, Narra Tarra | EP6 | 1924 |
| Patten | H. | Mundaring | 6PN | 1924 |
| Patten | H. B. | Floral Park, Boddington | WH7 and 12B, 15A | 1962 |
| Patten | James Francis | Hillview, Mt. Kokeby | PW8 | 1924 |
| Patten | John Lewis | Moonyoonooka, via Geraldton | 6LP | 1924 |
| Patten | W. A. | Wellington Loc. 1 Lots 153 and 165, Brunswick Junction | 5WP and 1C, 103E | 1962 |
| Patten & Son | E. B. | Woodlands, Pinjarra | B2H and 28D, 39E | 1962 |
| Pattern | A. W. | Ben Lomond, Northampton | OA2 | 1912 |
| Pattern | A. W. | Ben Lomond, Northampton | OA2 | 1924 |
| Patterson | A. F. & J. | 2314-5, mAmbergate | AP5 and 112E, 112D | 1962 |
| Patterson | A. G. | Woodlands, Wagin | AP1 | 1912 |
| Patterson | A. G. | Woodlands, Wagin | PA3 | 1912 |
| Patterson | A. G. | Woodlands, Wagin | AP1 | 1924 |
| Patterson | A. G. | Woodlands, Wagin | PA3 | 1924 |
| Patterson | A. H. | Corbley, Wagin | P9A and 46C, 3A | 1962 |
| Patterson | A. S. | Maisden Dairy, Hamilton Hill | 7PA | 1962 |
| Patterson | Albert J. | Hope Glen, Cartmeticup, via Katanning | A1P | 1924 |
| Patterson | C. J. | Kojonup Loc. 7729, 5840, 8268, 5724, 7624, 7656, 7657, 6089, 8211, Katanning | CP3 and 103D, 31E | 1962 |
| Patterson | E. R | Emoh-Ruo, Cartmeticup, Via Katanning | 2PE and 37C, 103A | 1962 |
| Patterson | F. | Glengarra, Kendenup | FP3 and 12D, 108E | 1962 |
| Patterson | F. C. | 641/13 Lot 2, Bindoon | FP4 and 32B, 109A | 1962 |
| Patterson | G. S. | Red Hills, Warren Road, Katanning | PG5 | 1924 |
| Patterson | G. V. & J. C. | Floravale, Popanyinning | G5P and 15A, 3B | 1962 |
| Patterson | H. A. | Harvey Agricultural Lot 41, Waroona | NQ2 | 1924 |
| Patterson | H. V. | Hope Farm, Katanning | I7P and 23D, 15E | 1962 |
| Patterson | J. | Canning 3, 11, 12 Lot 31 Victoria 1100 and 5679 Lot 3, Geraldton | P0J | 1962 |
| Patterson | J. B. | Bogong, Toompup, Via Gnowangerup | 4JP and 33B, 54F | 1962 |
| Patterson | J.D. | Pt. Brooklands Estate, Balingup | O4P | 1924 |
| Patterson | K. M. | Block 12150, Kodjin via Kellerberrin | K1P | 1912 |
| Patterson | K. M. | Block 12150, Kodj Kodjin, via Kellerberrin | K1P | 1924 |
| Patterson | Mary | Young's Siding, Albany | 7EP | 1912 |
| Patterson | Mary | Young's Siding, via Albany | 7EP | 1924 |
| Patterson | N. G. | Red Hill, Katanning | PG5 and 37B,13E | 1962 |
| Patterson | Olaf Aug. | Nannup | OP6 | 1924 |
| Patterson | R. E. & L. J. | Glen View, Goomalling | RP4 and 9B, 49A | 1962 |
