| Caulson | E. | Tarrawarra Farm, Knungajen | 8CE | 1912 |
| Caulson | E. | Tarrawarra Farm, Knungajen | 8CE | 1924 |
| Cavalier | Francis C. | Temble Hollow, Balingup | L8Q | 1925 |
| Cavanagh | A. N. | Gabyinda, Kojonup | NC5 and 45B, 26A | 1962 |
| Cavanagh | C. O. | Avon 27208, S. Kumminin | CC5 and 103A, 38C | 1962 |
| Cavanagh | Gordon James | Yilgarn Loc.226, North Burracoppin | GG7 | 1926 |
| Cavanagh | H. E. | Wandibirrup, West Wagin | W3P and 9B, 17E | 1962 |
| Cavanagh | K. G. | Kentucky, Cuballing | K4C and 51F, 38B | 1962 |
| Cavanagh | M. A. | Lot 3 Tenterden, Tenterden | W6C and 116E, 102C | 1962 |
| Cavanagh | V. J. | Wywurrie, Cuballing | T7Y and 14D, 41E | 1962 |
| Cavanagh | W. F. | Derininup Downs, near Kojonup | KC9 | 1924 |
| Cavanagh & Lewis | J. H. G. & M. D. | Globe Gill, Chowerup | X5R and 33D, 14E | 1962 |
| Cavanagh & Son | J. F. | Qualeup Loc. 1487, Qualeup, via Kojonup | S2C and 11C, 59F | 1962 |
| Cavazzi | S. | Plant Loc. 5726, Narrikup | 8SC and 28B, 5a | 1962 |
| Cavelle | C. | Bo Allia 2371, Busselton | CM5 and 50C, 111A | 1962 |
| Cavey | W. E. | Lilivale, Konnougorring | KV2 and 10D, 119E | 1962 |
| Cavill | C. H. | Donnybrook | C5V | 1924 |
| Caw | A. B. | Lots 24 and 25, Nangeenan | 8AC | 1912 |
| Caw | A. B. | Lots 24 and 25, Nangeenan | 8AC | 1924 |
| Cawse | Chas | The Causeway, Narembeen | K0Q | 1925 |
| Cawse | Chas. | Rowden, Meckering | 9CC | 1912 |
| Cawse | Chas. | Rowden, Meckering | 9CC | 1924 |
| Cawse | E. C. | Avon 17122, Wundowie | EC9 and 45C, 50A | 1962 |
| Cawse | John | Loc. 18349, Graball | YJ5 | 1924 |
| Caygill | G. J. | Monta, Korrelocking | 4CO | 1924 |
| Cenin | P. W. | Lot 43, Beaconsfield | 5CX | 1962 |
| Ceriani | E. | Loc. 336, Jarrahdale | U0C | 1962 |
| Cerny | Brelishar | warren River, Balbarrup | CY5 | 1912 |
| Cerny | Brelishar | Warren River, Balbarrup | CY5 | 1924 |
| Chadbone | Len | Cornucopia and Comet Vale, Dumbleyung | L6C | 1924 |
| Chadwick | Charles Ed. | Ninghan Loc. 861, Gabbin | Q5Z | 1924 |
| Chadwick | E. | Stoneleigh, Yarding | C60 | 1924 |
| Chadwick | E. W. & W. | Woodlands, Bruce Rock | 6ZC | 1924 |
| Chadwick | F. | 1136, 1144,, 1247, 1248, 1249, 1619, 991, 1437, Narrogin | F7C and 59F, 119D | 1962 |
| Chadwick | Geo. | Homestead, Kunanalling | GC8 | 1912 |
| Chadwick | Geo. | Homestead, Kununalling | GC8 | 1924 |
| Chadwick | R. W. | Glen Irwin & tarwonga, Williams | 6AC and 48B, 34E | 1962 |
| Chadwick | William | Metabyn, Burracoppin | XF5 | 1925 |
| Chaffey | J. R. | Common, Wiluna | 3LP | 1912 |
| Chaffey | J. R. | Common, Wiluna | 3LP | 1924 |
| Chafin | Arleigh Fargo | Marleigh, Salmon Gums | A7G | 1926 |
| Chainey | M. A. | Bandalup, Ravensthorpe | M0C and 31B, 34E | 1962 |
| Chalk | Frank Reginald | Rebels Farm, East Brook | F1G | 1926 |
| Challenor | A. E. | 2138, Kyballup, Frankland | A9C and 11E, 35B | 1962 |
| Challenor | J. H. | Erindale, Stoneville | J6C | 1962 |
| Challis | D. C. | Lots 1-2 of 34, Armadale | 3CL | 1962 |
| Challis | Frederick | Bay Farm, No.4 Group, Kudardup | F3G | 1926 |
| Challis | H. M. & D. | 1511-6, Kudardup | DC9 | 1962 |
| Challis | J. | Block 2911, Osmington, via Margaret River | 7JC and 17C, 115A | 1962 |
| Challis | M. H. & D. | Sussex Locs. 1704 & 1706, Kudardup | F3C | 1962 |
