| Poston | Geo. | Farmer | Fremantle (Rockingham) | 1883 | Herald Almanack |
| Poston | Geo. | Farmer | Fremantle (Rockingham) | 1884 | Herald Almanack |
| Poston | Geo. | Farmer | Fremantle (Rockingham) | 1885 | Herald Almanack |
| Potter | C. | | James Street, Perth | 1897 | Witton's Directory |
| Potter | E. | Chemist | Perth | 1888 | WA Almanack |
| Potter | E. | Chemist | Perth | 1889 | WA Almanack |
| Potter | E. C. L. | | Saint George's Terrace, Perth | 1897 | Witton's Directory |
| Potter | F. | Oyster Saloon | 103 Barrack Street, Perth | 1897 | Witton's Directory |
| Potter | H. | Labourer | Busselton, Etc. (Augusta, Etc., Karridale, Boranup & Hamlin) | 1889 | WA Almanack |
| Potter | Mrs. | | Mason Street, North Fremantle | 1897 | Witton's Directory |
| Potter | W. R. | | Henderson Street, Fremantle | 1897 | Witton's Directory |
| Potts | - | Permanent Way, G.S. Railway (219 miles) | Pingelly | 1897 | Witton's Directory |
| Potts | J. | Farmer | Beverley | 1869 | WA Almanack |
| Potts | J. | Farmer | Beverley | 1870 | WA Almanack |
| Potts | J. | Farmer | Beverley | 1872 | WA Almanack |
| Potts | J. | Farmer | Northam | 1873 | Herald Almanack |
| Potts | J. | Farmer | Beverley | 1873 | WA Almanack |
| Potts | J. | Farmer | Beverley | 1874 | WA Almanack |
| Potts | J. H. | | Ord Street, Perth | 1897 | Witton's Directory |
| Potts | J. L. | | Henry Street, Fremantle | 1897 | Witton's Directory |
| Potts | J. R. | Farmer | Narrogin | 1897 | Witton's Directory |
| Potts | R. | Farmer | Beverley | 1879 | Herald Almanack |
| Potts | R. | Farmer | Beverley | 1880 | Herald Almanack |
| Potts | R. | Farmer | Beverley | 1881 | Herald Almanack |
| Potts | R. | Farmer | Beverley | 1882 | Herald Almanack |
| Potts | R. | Farmer | Beverley | 1883 | Herald Almanack |
| Potts | R. | Farmer | Beverley | 1884 | Herald Almanack |
| Potts | R. | Farmer | Beverley | 1884 | WA Almanack |
| Potts | R. | Farmer | Beverley | 1886 | WA Almanack |
| Potts | R. | Farmer | Beverley | 1887 | WA Almanack |
| Potts | R. | Farmer | Beverley | 1888 | WA Almanack |
| Potts | R. | Farmer | Beverley | 1889 | WA Almanack |
| Potts | R. | Farmer | Boyadine | 1897 | Witton's Directory |
| Potts | R. | Farmer | Talbot | 1897 | Witton's Directory |
| Potts | Ralph | New York Dentistry | William Street, Perth | 1897 | Witton's Directory |
| Potts | Rev, W. A. | Wesley Chuch & School | Cantonment Street, Fremantle | 1897 | Witton's Directory |
| Potts | Richard | Farmer | Beverley (Gundering) | 1885 | Herald Almanack |
| Poulton | C. W. | M.D. Staff Surgeon | Perth | 1863 | WA Almanack |
| Poulton | C. W. | M. D. Staff Surgeon | Perth | 1864 | WA Almanack |
| Poulton | C. W. | M. D. Staff Surgeon | Perth | 1865 | WA Almanack |
| Poulton | C. W. | M.D. Staff Surgeon | Perth | 1866 | WA Almanack |
| Poulton | C. W. | M.D. Staff Surgeon | Perth | 1867 | WA Almanack |
| Poulton | H. | Sheepfarmer | North-West Coast (Kimberley) | 1884 | WA Almanack |
| Poulton | H. | Sheep Farmer | North-West Coast (Kimberley) | 1886 | WA Almanack |
| Poulton | J. W. | Grazier | Kimberley - Derby | 1885 | Herald Almanack |
| Poutt | C. & W. | Stockowners | Irwin & Dongara | 1877 | Herald Almanack |
| Povell | E. M. | Accountant | Fremantle | 1875 | Herald Almanack |
| Povell | E. M. | Accountant | Fremantle | 1875 | WA Almanack |
| Povey | J . | Tinsmith | Fremantle | 1886 | WA Almanack |
| Povey | J. | Tinsmith | Fremantle | 1870 | WA Almanack |
