| Cant | F. R. S. | Rocky Peak, Walkaway | F5C and 103A, 49B | 1962 |
| Cant | G. H. | Cranston Park, Eradu | C6U and 33A, 42B | 1962 |
| Cant | George H. | Glengarry, Greenough | KQ0 | 1925 |
| Cant | Golden | Lake View, Nungarin | YG2 | 1925 |
| Cant | H. F. T. & K. A. | Sunderland, Yuna | A2Z and 41A, 14C | 1962 |
| Cant | James | Day Dawn | 7KT | 1924 |
| Cant | Wm. Hy. | H. Farm, Greenough | C1Z | 1912 |
| Cant | Wm. Hy. | Homestead Farm, Greenough | C1Z | 1924 |
| Cant Bros. | - | Euvista, Kojonup | B2U and 6C, 34E | 1962 |
| Cantelo | John | Geraldton | J1C | 1912 |
| Cantelo | John | Homestead Farm, Geraldton | J1C | 1924 |
| Canter Bros. | - | Waverley, Waeel | B3C | 1912 |
| Canter Bros. | - | Waverley Waeel | B3C | 1924 |
| Cantwell | D. | Coronation Hotel, Queen's Park | 4DK | 1924 |
| Cantwell | E. J. | Lindisfern Farm, Dumbleyung | 5KE | 1924 |
| Cantwell | S. A. | Lindisfern, Dumbleyung | CU8 | 1924 |
| Canute | John H. H. | Timaru, Lake Grace | RL4 | 1924 |
| Capelli | F. F. | Wanderlea, Moorine Rock | SU5 and 5E, 48B | 1962 |
| Capelli | Peter | Meekatharra Common, Meekathatharra | 5KX | 1925 |
| Capelli | W. | Llenroc, Moorine Park | E5D and 14C, 120E | 1962 |
| Capewell | F. G. | Yooga, Yoongarilup, via Busselton | P2X and 111B, 112E | 1962 |
| Capewell | F. W. | Stony Creek, Yalup Brook | RR6 | 1924 |
| Capewell | G. W. | Carnarvon | 5GC | 1912 |
| Capewell | G. W. | Carnarvon | 5GC | 1924 |
| Capewell | R. k. & C. E. | Sussex 4014, Karridale | 1UW and 104B, 25A | 1962 |
| Capito | P. | Yilgarn 637 and 967, Bodallin | C4E and 105D, 53F | 1962 |
| Capito | R. | Locs. 1003, 1004, 790, Bodallin | 5RC and 19B, 118E | 1962 |
| Caple | F. | Bellevue | X6F | 1924 |
| Caple | J. & W. E. | Avon Loc. 15907, Kumminin | Y0C | 1924 |
| Capner | Charles | Nullagine, Port Hedland | 9UC | 1924 |
| Capon | F. J. | Cloverdale, Belmont | F0O | 1962 |
| Capon | Fredk. J. | Wattle Grove, Greenbushes | FO0 | 1924 |
| Caporn | A. | Jandalup, Wanneroo | A7C | 1912 |
| Caporn | A. | Jandalup, Wanneroo | A7C | 1924 |
| Caporn | C. F. | Orchidvale, Dinninup, via Bridgetown | C9F | 1912 |
| Caporn | C. F. | Orchid Vale, Dinninup | C9F | 1924 |
| Caporn | C. F. | Orchid Vale, Kulikup | C9F and 28B, 14E | 1962 |
| Caporn | E. H. | Nunawarra, Nangeenan | 5CE | 1912 |
| Caporn | E. H. | Nunawarra, Nangeenan | 5CE | 1924 |
| Caporn | E. J. & O. | Bimbadeen, Corrigin | C9Y and 110E, 47B | 1962 |
| Caporn | Ed. Hy. | Spring Hill, Wanneroo | 1EC | 1912 |
| Caporn | Ed. Hy. | Spring Hill, Wanneroo | 1EC | 1924 |
| Caporn | J. A. | Harvey A. A. Lot 210, Wagerup | CZ4 and 14C, 116A | 1962 |
| Caporn | James G. | Chester Road, Claremont | 2YV | 1924 |
| Caporn | l. G. & M. G. | Malley Valley, Quairading | LC2 and 20D, 116E | 1962 |
| Caporn | M. H. | Huntley Park, Kojonup | 7ZC and 28C, 24E | 1962 |
| Caporn | Mrs E. J. | Lynda Vale, Glen Forrest | CQ7 | 1924 |
| Caporn | P. I. | The Rest, Dinninup | 1PC and 12D, 50E | 1962 |
| Caporn | R. & W. C. | Marydale Farm, Yoting | D8R | 1924 |
| Caporn | R. C. P. | Duveen, Pantapin | CU8 and 15B, 106A | 1962 |
