| Peltit | F. G. | Pastoral area 2636/97, Westonia | P0Z | 1924 |
| Pelusi | G. S. | Leschenault Loc. 10, Picton Junction | P9E and 33C, 110E | 1962 |
| Pelvei | I. | Picton Junction | P9E | 1924 |
| Pember | B. | Springfield, Newcastle | BP1 | 1912 |
| Pember | B. | Springfield, Toodyay | BP1 | 1924 |
| Pember | H. | Denmark, Grassmere | H9P | 1924 |
| Pember | John | Springdale, Jennaberring | PJ6 | 1912 |
| Pember | John | Springdale, Jennaberring | PJ6 | 1924 |
| Pember | K. S. | 5177, 6500, 6104, Beaufort River, Via Wagin | AK8 and 41B, 31E | 1962 |
| Pember | L. V. & F. E. | Glen Echo, Kendenup | F7L and 12C, 67A | 1962 |
| Pemberton | David H. | Billabong, Kurren Kutten, via Corrigin | 3QP | 1925 |
| Pemberton | P. H. | Homestead, 458/74, Cunderdin | P3P | 1912 |
| Pemberton | P. H. | Homestead 458/74, Cunderdin | P3P | 1924 |
| Penberthy | A. | Blackheath, Wongan | WD0 | 1924 |
| Pendergrast | N. O. | Tarawera, Mt. Barker | 0NP | 1962 |
| Penfold | G. | Merryvale, Cowaramup | S3Y | 1962 |
| Pengilly | F. W. | Fairview, Kellerberrin | FP5 | 1924 |
| Penn | Alf | Mulugor Spring, Northampton | 4JJ | 1924 |
| Penn | Alfred | Mulloo Farm, Narra Tarra | AX3 | 1912 |
| Penn | Alfred | Mulloo Farm, Narra Tarra | AX3 | 1924 |
| Penn | E. J. & R. I. | Mullberry, Walebing | 6CB and 4D, 45E | 1962 |
| Penn | Geo. | Block 1353, Narra Tarra | GP5 | 1912 |
| Penn | Geo. | Block 1353, Narra Tarra | GP5 | 1924 |
| Penn | W. H. | Plantagenet 4912, Napier Creek, Via Albany | P2N and 39C, 29E | 1962 |
| Penn | Wm. Hy. | Williams Valley, Narrogin | W1P | 1912 |
| Penn | Wm. Hy. | Williams Valley, Narrogin | W1P | 1924 |
| Penna | Thomas | 77 Oxford Street, Leederville | 0PA | 1912 |
| Penna | Thos. | 77 Oxford Street, Leederville | 0PA | 1924 |
| Penney | J. | Morbelling Spring, Tammin | J8P | 1912 |
| Penney | J. | Marbelling Spring, Tammin | J8P | 1924 |
| Penninent | Jas. T. E. | Common, Collie | 6TO | 1924 |
| Pennington | Arthur S. | Follans, South Wandering Road, Pingelly | AP1 | 1926 |
| Pennington | C. & J. G. | Tatiara, Gilliminning | SP2 | 1912 |
| Pennington | C. & J. G. | Tatiara, Gilliminning | SP2 | 1924 |
| Pennington | H. C. | Hollingwood, Pingelly | H3P | 1912 |
| Pennington | H. C. | Hollingwood, Pingelly | H3P | 1924 |
| Pennington | R. | Coode Street Dairy, South Perth | RP7 | 1912 |
| Pennington | R. | Coode Street Dairy, South Perth | RP7 | 1924 |
| Pennington & Son | A. S. | Follans, West Pingelly | AP1 and 22B, 24A | 1962 |
| Penny | A. E. D. | Stirling Estate, Popanyinning | 3PA | 1912 |
| Penny | A. E. D. | Stirling Estate, Popanyinning | 3PA | 1924 |
| Penny | C. H. | Stirling Estate, Popanyinning | 3PA and 30B, 10E | 1962 |
| Penny | Chas. | Cowering, Greenhills | 2CP | 1912 |
| Penny | Chas. | Cowering, Greenhills | 2CP | 1924 |
| Penny | F. L. | Loc. 24, Boyunup | 0FP | 1962 |
| Penny | Francis W. | Kermerton Farm, Boyanup | 0PF | 1924 |
| Penny | H. C. | Korrawilla, Greenhills | 8HP and 32D, 34E | 1962 |
| Penny | H. jun. | Greenhills, Greenhills | 8HP | 1912 |
| Penny | H. junr. | Greenhills | 8HP | 1924 |
| Penny | Hubert | Cowering, Greenhills | H4P | 1912 |
