| Perkins | Charles T. | Loc. 1641, No. 7 Group, Nuralingup | 2OQ | 1925 |
| Perkins | D. & M. | Cambelqueen 1299, 730, 729, 688, 683-7, 190, Tenterden | D6M and 115B, 104A | 1962 |
| Perkins | I. A. | Lake View, Nunigup, via Tenterden | P5N | 1924 |
| Perkins | Margaret S. | Boyanup | T0T | 1912 |
| Perkins | Margaret S. | Boyanup | T0T | 1924 |
| Perkins | R. A. | Sefton Park, Williams | H9O and 27D, 28E | 1962 |
| Perkins & Sons | - | Queen of the Valley, Mortegallup | PS8 | 1924 |
| Perkins & Sons | - | Queen Valley, Tenterden | PS8 and 38B, 41E | 1962 |
| Perkins Bros. | - | Danetree, Kojonup 4538, Kojonup | P4B and 21B, 5E | 1962 |
| Perks | A. | Loc. Wellington 1 Lots 5 and 33, Wokalup | PK7 | 1962 |
| Perks | D. M. | Rose Meath, Nannup | V1P | 1962 |
| Perks | E. A. | Bellecourt Farm, Korbel | PU1 | 1924 |
| Perks | E. J. | Nelson Loc. 900 | UV1 and 3B, 36A | 1962 |
| Perks | Geo. A. | Springdale Farm, Cuderdin | G6P | 1924 |
| Perks | J. & E. L. | K. Wellington Loc. 1, 50 | 8JP and 49D, 116E | 1962 |
| Perks | J. A. | Forest Vale, Cunderdin | 5JP | 1912 |
| Perks | J. A. | Forest Vale, Cunderdin | 5JP | 1924 |
| Perks | J. J. | Ringwood Farm, Greenbushes | U6P | 1924 |
| Perks | L. R. | Ringwood, Greenbushes | U6P | 1962 |
| Perks | R. B. & J. V. | Broadacres, Yelbeni | PU1 and 46C, 34A | 1962 |
| Perks | V. L. (Mrs) | Springdale, Augusta | G0A and 7B, 26E | 1962 |
| Perkusich | A. | Swan Loc. 1651, Lower Chittering | 7PA and 104D, 29E | 1962 |
| Peron Peninsula Station Ltd. | - | Irishwater Camp Station, Sharks Bay | M5D and 11C, 8A | 1962 |
| Peron Peninsula Station, Ltd. | - | Irishwater Camp Station | M5D | 1926 |
| Perren | Arthur B. | Rocklands, Brunswick | A2P | 1912 |
| Perren | Arthur B. | Rocklands, Brunswick Junction | A2P | 1924 |
| Perren | Arthur J. | Olive Hill, Brunswick Junction | AP0 | 1927 |
| Perren | Jas. E | Marbelup, Brunswick | PN7 | 1912 |
| Perren | Jas. E. | Marbelup, Brunswick Junction | PN7 | 1924 |
| Perren | Joseph | Blocks 641 and 672, Longswap, via Australind | PN2 | 1912 |
| Perren | Joseph | Blocks 641 and 672, Longswamp, via Australind | PN2 | 1924 |
| Perren | Rebecca | Rocklands, Brunswick | A2P | 1927 |
| Perret | A. | Brickhouse, Carnarvon | T5T | 1926 |
| Perret | Louis Herbert | Commonage, Carnarvon | U9P | 1924 |
| Perrett | N. P. & A. R. | Girrawheen, Mundijong | X2P and 40B, 39A | 1962 |
| Perrett | W. E. (Jnr) | Bindaring, Mundijong | PW3 and 34B, 39A | 1962 |
| Perrett | Wm. E. | Kentish Groove, Wanneroo Road, Osborne Park | X2P | 1924 |
| Perrin | C. A. & G. E. | Fairlawn, Westonia | 9PC and 104B, 22A | 1962 |
| Perrin | Ernest Hy. | 15519, Yelbeni | PY6 | 1924 |
| Perrin | H. H. | Canning Loc. 122, Pt. 123 and 403, Cannington | 4HP and 38C, 102A | 1962 |
| Perrin | J. W. | Fairlawn, Westonia | PJ6 and 48D, 46E | 1962 |
| Perrin | M. | 2 Division Street, Welshpool | M7P | 1962 |
| Perrin | Maud Ellen | Belvedere Farm, Wyening | N4p | 1924 |
| Perrin | R. W. | Homebush, Needilup | R6P and 23B, 104E | 1962 |
| Perrins | W. B. | Avon Stud Farm, Bruce Rock | PN9 | 1924 |
| Perron | S. | Maroondah Ranch, Brunswick Junction | YY0 and 45D, 26E | 1962 |
| Perry | A. J. & D. L. | Karkarilla, Carnamah | AD0 and 21B, 109A | 1962 |
| Perry | A. W. | Avon Loc. 20093-4, Babakin | A4P and 41D, 113E | 1962 |
| Perry | Alfred | Narricup, Wanneroo | 1AP | 1912 |
| Perry | Alfred | Narricup, Wanneroo | 1AP | 1924 |
