| Carruthers | J. | Annadale, Lake Grace | 2JC and 12B, 30E | 1962 |
| Carruthers | J. | Block 9747, Lake Grace | JC1 and 18D, 36E | 1962 |
| Carruthers | J. H. | Goorara, Broad Arrow | GO1 | 1924 |
| Carruthers | J. W. | Cumberland, Yealering | 8JC and 24D, 41E | 1962 |
| Carruthers | John | Lake Grace | JG1 | 1928 |
| Carruthers | K. | Maida Vale, Mullewa | 0KC | 1912 |
| Carruthers | K. H. | Maida Vale, Mullewa | 0KC | 1924 |
| Carruthers | R. & J. | Lowtherfield, Lake Grace, via Dumbleyung | C2U | 1912 |
| Carruthers | R. & J. | Lowtherfield, Lake Grace | C2U | 1924 |
| Carruthers | R. & J. | Lowtherfield, Lake Grace | C2U and 39A, 20C | 1962 |
| Carruthers | R. & M. V. | 10992, 10988, Lake Grace | 1CR and 34B, 49A | 1962 |
| Carruthers | W. | Clifton, Lake Yealering | W7C and 109A, 25B | 1962 |
| Carruthers | William | Dunoon, Lake Grace | WG7 | 1928 |
| Carslake | G. D. | Loc. M 1570, Pintharuka | JP5 and 49B, 52F | 1962 |
| Carslake | Jas. | Birrigrin, Birrigrin | J0C | 1912 |
| Carslake & Son | R. H. & K. | Bilya Valley, Gutha | CL4 and 48B, 5A | 1962 |
| Carson | A. D. | Deepdine, Mullewa | X2O | 1924 |
| Carson | H. J. | Mungenuyga Spring, Dongara | CJ9 and 113D, 19E | 1962 |
| Carson | Harry | Rockvale, Geraldton | V6V | 1924 |
| Carson | Hy. | Rockvale, Geraldton | V6V | 1912 |
| Carson | P. A. & A. A. | Rockvale, hutt | V6V and 4C, 25A | 1962 |
| Carson | R. | A.A. Lots 18, Jandakot | R8U | 1924 |
| Carson | Saml. H. | River View, U. Blackwood | 2SC | 1912 |
| Carson | Samuel H. | Riverview, Upper Blackwood | 2SC | 1924 |
| Carson | T. | Strathspey, Moonyoonooka | 5T C | 1912 |
| Carson | T. | Strathspey, Moonyoonooka | 5TC | 1924 |
| Carson | V. G. & K. M. | Talcarragh No. 6585, Binnu | V2C 27D, 119E | 1962 |
| Carson | Wm. | Calignee, Mullewa | 0XC | 1924 |
| Carson Bros. | - | Krukyning Farm, North Kellerberrin | C6Z | 1924 |
| Carss | T. H. | Avondale Farm, Kellerberrin | 5CT | 1912 |
| Carss | T. H. | Avondale Farm, Kellerberrin | 5CT | 1924 |
| Carstairs | G. | Jilbadjie Locs. 319-76, Moorine Rock | G7C and 11C, 112A | 1962 |
| Carstairs | J. | Loc. 4875, Perenjori | 4JC and 3B, 37A | 1962 |
| Carstairs | W. | Kaliman Park, Kojonup | O1C | 1912 |
| Carstairs | W. | Kaliman Park, Kojonup | 0IC | 1924 |
| Carter | A. | Lennox House, Marybrook | PC2 | 1962 |
| Carter | A. N. | Greenwood, Capel | 8NC | 1912 |
| Carter | A. N. | Greenwood, Capel | 8NC | 1924 |
| Carter | Albert T. | Morkock River, Quellington | Q3C | 1924 |
| Carter | Alfred | Block 12385/74, Busselton | CA5 | 1912 |
| Carter | Alfred | Block 12385/74, Busselton | CA5 | 1924 |
| Carter | Alleyne | Thorpe Farm, Williams | 7YA | 1924 |
| Carter | B. H. & B. E. | Mulinoling Farm, Meckering | V1C and 28B, 4E | 1962 |
| Carter | B. V. | Northam | 2VK | 1924 |
| Carter | C. | 9729/55, 5849/68, 25733/55, 6533/74, Doodennaning, and at 12 McEwin Street, Leederville | 9CR | 1912 |
| Carter | C. | 9729/55, 5849/68, 25733/55, 6533/74, Doodenanning, and at 12 McEwin Street, Leederville | 9CR | 1924 |
| Carter | C. (jnr) | Peacehaven, Cadonx | 9CR and 49B, 22A | 1962 |
| Carter | C. R. | Lake Grace, East Wagin | CC8 | 1912 |
| Carter | C. R. | Lake Grace | CC8 | 1924 |
| Carter | C. R. | Khan Yunis, Kondut | CC8 and 45C, 33E | 1962 |
