| Clemens | A. M. | Kartanarra, Dangin | CH7 and 39C, 35E | 1962 |
| Clemens | E. L. & M. M. | Nookawarra, Quairading | V0C and 14B, 42A | 1962 |
| Clemens | Est. of H. B. | Goolawalla, Dangin | 2CL and 48A, 39C | 1962 |
| Clemens | H. H. | Hillside, Dangin | CH7 | 1912 |
| Clemens | H. H. | Hillside, Dangin | CH7 | 1924 |
| Clemens | V. L. | Killarney, Quairading | 1VL and 119A, 17B | 1962 |
| Clement | Wm. | Brookside-Talbot, York | W3C | 1912 |
| Clement | Wm. | Brookside-Talbot, York | W3C | 1924 |
| Clementi | E. | Cockburn Siding Loc. 682, Mandogalup | QE0 | 1962 |
| Clementi | Erminia | Cockburn Siding Loc. 682, Peel Estate | QE0 | 1924 |
| Clements | Edgar H. | Nerang, Kellerberrin | UC0 | 1924 |
| Clements | G. H. | 2598, Metricup | 6GC and 15B, 114E | 1962 |
| Clements | George Charles | Armadale | Z6V | 1925 |
| Clements | J. P. | Riverside, Northam | 0VX and 9D, 16E | 1962 |
| Clements | John David | Ivydene, South Guildford | DQ7 | 1924 |
| Clements | M. F. D. & E. C. | Malena 14022, 22957, Nungarin | EF2 and 17C, 14E | 1962 |
| Clements | M. H. | Chiltern, Northam | M6C and 43A, 37C | 1962 |
| Clements | Wm. | Swan | WO1 | 1924 |
| Clements | Wm. John | New Rothertuthe, East Narrogin | U5C | 1924 |
| Clements & Haynes | A. E. & W. R. | Toolangi Park, Kellerberrin | C3H | 1912 |
| Clements & Haynes | A. E. & W. R. | Toolangi Park, Kellerberrin | C3H | 1924 |
| Clemestra | C. | Oakvale, Broomehill | 3CO | 1912 |
| Clemestra | C. | Oakvale, Broomehill | 3CO | 1924 |
| Clemisha | H. | Kia Ora, via Gnowangerup | 0HU | 1924 |
| Cleveland | A. C. | Nelson Loc. 11978 Farm A 240, Brunswick Junction | CA0 and 11D, 45E | 1962 |
| Cleveland | F. | Yungerup, Bolingup | FC8 | 1912 |
| Cleveland | F. | Yungerup, Balingup | 6YY | 1924 |
| Cleveland | F. | Yungerup, Balingup | FC8 | 1924 |
| Clews | H. J. R. | Sussex 2955-6, Cowaramup | 8RC | 1962 |
| Clews | S. T. | Sussex 2952, Cowaramup | C7S and 49C, 112A | 1962 |
| Clews | Thos. | Carinya, Totadgin | T6K | 1924 |
| Cliff | J & C | Kalgoorlie | LT5 | 1924 |
| Cliff | S. D. & K. A. | Bonnie Doon, Brookton | S6C and 6D, 34E | 1962 |
| Cliff Bros. | - | Lease 1293/94 | CQ0 | 1924 |
| Clifford | Alfred L. | Killarney, Thomson's Brook | YC9 | 1924 |
| Clifford | Emma M. | Fern View, Thompson's Brook | X5C | 1924 |
| Clifford | Henry | Homestead, Dinninup | 6HC | 1912 |
| Clifford | Henry | Homestead, Dinninup | 6HC | 1924 |
| Clifford | J. | Allaway, Mardella | L2N | 1962 |
| Clifford | J. E. | 121, 68 Nelson Loc., Bokerup, via Kojonup | X5C and 49D, 20E | 1962 |
| Clifford | J. L. | Wel. Loc. 67, Brookhampton | 9CZ | 1962 |
| Clifford | M. | Gillimanning, Pingelly | MC1 | 1912 |
| Clifford | M. | Gillimanning, via Pingelly | MC1 | 1924 |
| Clifford | M. V. | Loc. 11958, Pemberton | 4TY | 1962 |
| Clifford Bros. | - | 43, 67, 259, Brookhampton | YC9 and 39C, 4E | 1962 |
| Clift | E. M. | Trelawn, Corrigin | E5R and 51F, 36D | 1962 |
| Clift | Geo. | James Street, Guildford | Y1Z | 1924 |
| Clift | John | Mindoolah, via Cue | 6NC | 1924 |
| Clift | Joseph | Loc. 4536, Morowa | 3ZC | 1924 |
| Clift | Wm. R. | Carinya, East Wagin | R2V | 1924 |
