| Roman Catholic Church | - | 2898-9, Margaret River | BC1 and 118D, 30E | 1962 |
| Rome | J. J. | Swan Loc. 1372, Bindoon | 5HR | 1962 |
| Rome | Jno. | Dairy, Claremont. Boyadine, Beverley | 5HR | 1912 |
| Rome | John | Dairy, Claremont, Boyadine, Beverley | 5HR | 1924 |
| Romland | R. J. | Flannerdalle, Dongara | RJ1 | 1912 |
| Romland | R. J. | Flannerdale, Dongarra | RJ1 | 1924 |
| Rompaey | O. V. | Wellington Loc. 2063, Mumballup | NQ5 | 1924 |
| Romsden & Crossley | S. & P. H. | Clifton, Katanning | 0RP | 1912 |
| Ronald | A. B. C. | Netley Farm via Cranbrook | RN4 | 1912 |
| Ronald | Rowand | Uringara Farm, Dininup | 2RN | 1924 |
| Ronan | F. | 851, Jarrahdale | MR5 | 1962 |
| Ronan | John | Hill Grove, Geraldton | J2O | 1912 |
| Ronan | John | Hill Grove, Geraldton | J2O | 1924 |
| Ronan | Michael | Victoria | MR2 | 1924 |
| Ronan | Samuel | Paradise, Narra Tarra | SR1 | 1912 |
| Ronan | Samuel | Paradise, Narra Tarra | SR1 | 1924 |
| Ronan | Thomas | Flowery Flat, Nabawa | RO4 | 1924 |
| Ronan | Wm. | Mumby, Roslyn P.O. | 6RW | 1912 |
| Ronan | Wm. | Mumby, Roselyn, P. O. | 6RW | 1924 |
| Roney | J. (Mrs) | Wellington Loc. 1162, North Collie | J9R and 117B, 71A | 1962 |
| Roney | W. H. | Wilton Farm, Korrelocking | HR6 and 50C, 25E | 1962 |
| Rook | J. B. | Camel Teamster, Carnarvon | 0RD | 1912 |
| Rook | J. B. | Carnarvon | 0RD | 1924 |
| Rooke | C. M. | Lorne Farm, Tenterden | CR3 | 1912 |
| Rooke | C. M. | Lorne Farm, Tenterden | CR3 | 1924 |
| Rooke | J. S. | Kilburn, Carnamah | J6Y | 1924 |
| Rooke | R. A. | 43-4-5-6, Wattle Grove | RR2 and 24D, 42E | 1962 |
| Rooke Co. | R. | Peel Estate 265-6, Serpentine Agricultural Area 103, Mundijong | RO5 | 1962 |
| Rooney | Bernard | Killarney, Boyup Brook | 4NR | 1924 |
| Rooney | P. J. | Nelson 10878, 2746, Manjimup | P4R and 111B, 102E | 1962 |
| Rooney | Sarah A. | Glen Warren, Manjimup | 8QV | 1925 |
| Rooney Bros | - | Glen Warren, Manjimup | 8QV and 115B, 25E | 1962 |
| Roos | J. J. | Part Lot Jandakot AA61, Forrestdale | V1K | 1962 |
| Root | Herbert G. | Belville, Bridgetown | HR6 | 1927 |
| Roper | B. R. | Rangecrof, Nukarni | 1RX and 28C, 47E | 1962 |
| Roper | L. A. | Lilford, Merridan | L5R and 40D, 47E | 1962 |
| Rorison | Matilda | Nungarin | Y0F | 1924 |
| Roscal | Thos. | Deep Creek, Northampton | 3RT | 1924 |
| Roscoe | C. | Muskerry Farm, Northampton | RQ2 | 1925 |
| Roscol | Thos. | Deep Creek, Northampton | 3RT | 1912 |
| Rosconi | L. | Wellington 1252, Worsley | 7LR | 1962 |
| Rose | A. | Everglades, Kudarup | RX0 | 1962 |
| Rose | A. & M. | Marlee, Coolup | 6LR and 14D, 71E | 1962 |
| Rose | A. F. | Leopold Downs, Fitzroy | 1LD | 1912 |
| Rose | A. F. | Leopold Downs, Fitzroy | 1LD | 1924 |
| Rose | A. J. | Carlaminda, Ferguson | R9A | 1912 |
| Rose | A. J. | Carlaminda, Ferguson | R9A | 1924 |
| Rose | A. J. | Oakleigh, West Arthur 2315-3, 3424, 4815, Williams | A4R and 46C, 47E | 1962 |
| Rose | A. J. | Jurakine, via Northam | FR1 and 34D, 104E | 1962 |
| Rose | A. J. | Hillsborough, Ucarty | VZ0 and 33C 22E | 1962 |
