| Cornish | A. E. | Wattle Valley, Scarborough | EZ5 | 1924 |
| Cornish | B. N. & K. J. | Luston, Nukarni | DO9 and 13A, 44B | 1962 |
| Cornish | C. R. | Hamel Farm, Carnarvon | K0N and 28A 5B | 1962 |
| Cornish | H. H. K. | Murray Downs, Coolup | V0L | 1912 |
| Cornish | H. H. K. | Murray Downs, Coolup | V0L | 1924 |
| Cornish | K. M. | Brookside, Wandering | V0L and 26A, 46B | 1962 |
| Cornish | M. | Cowcowing 171-2-3-4-5-186-7, 189, Koorda | AC0 and 44B, 102A | 1962 |
| Cornish | O. & F. | Mill Farm, Wandering | 0FC and 34C, 24E | 1962 |
| Cornish | P. N. | Belmore, Nungarin | S5C and 4A, 46C | 1962 |
| Cornish | Sarah J. | Bald Rock, Kojonup | SC8 | 1912 |
| Cornish | Sarah J. | Bald Rock, Kojonup | SC8 | 1924 |
| Cornish | W. A. | Pindar, Murchison | JK9 | 1912 |
| Cornish | W. A. | Pindar, Murchison | JK9 | 1924 |
| Cornish & Silvester | - | Carnarvon Common, Carnarvon | G0S | 1926 |
| Cornish & Sons | A. M. | Eurardy Station, Geraldton | 5HC and 22C, 31E | 1962 |
| Cornwall | Annie | Beaufort, Arthur River | AC7 | 1912 |
| Cornwall | Annie | Beaufort, Arthur River | AC7 | 1924 |
| Cornwall | Ellen Emily | Korronup, Kojonup | 3EC | 1912 |
| Cornwall | Ellen Emily | Korronup, Kojonup | 3EC | 1924 |
| Cornwall | R. C. | Blocks 4582, 4683, 4684, Northhampton | 0RC | 1912 |
| Cornwall | R. C. | Blocks 4682-3-4, Northampton | 0RC | 1924 |
| Cornwall | U. J. | Beaufort, Wagin | 7VT and 7C, 22A | 1962 |
| Cornwall | Wm. Jno. | Williams Loc. Q and Carnegie, Narrogin | 7CO | 1924 |
| Cornwall Bros. | - | Carnegie, Narrogin | 7G0 | 1926 |
| Corps | Ernest | Welshpool, c/o Mrs. Bennett, St. Ives, Victoria Park | 9OZ | 1925 |
| Correll | Dorothy | Common, Siberia | D5U | 1924 |
| Correll | J. | Beatyerring, Arhtur River | C4L | 1912 |
| Correll | J. | Beaterring, Arthur River | C4L | 1924 |
| Correy | G. R. & S. M. | Allanwood, Calcarra | GC7 and 15B, 31E | 1962 |
| Corrigan | A. | Loc. 730, Mandiga | A8O | 1924 |
| Corrigan | Anthony | Loc. 1921, Mandinga | Q3Q | 1924 |
| Corringham | Robt. | Lake Saide, Young's Siding | 2XK | 1924 |
| Corruna | Arthur | The Park, Nungarin | XC4 | 1924 |
| Corry | A. | Avon 7575, 18553, 13356, 16528, 18524, 18852, Bulyee | 9JC and 13B, 43E | 1962 |
| Corry | F. W. | White Well, East Brookton | F0Y | 1924 |
| Corry | J. H. | Murringurrin Springs, East Brookton | 6JN | 1912 |
| Corry | J. H. | Murringurrin Springs, East Brookton | 6JN | 1924 |
| Corry | John James | Avon Loc. 16502, Bulyee | K6Y | 1924 |
| Corry | S. R. | Wilcarra, Bulyee, via Corrigin | 1SC and 21B, 28E | 1962 |
| Corry | T. A. | Murringurrin Springs, Kweda | 6JN and 11C, 15E | 1962 |
| Corry | W. F. | White Well, Bulyee | F0Y and 107B, 16A | 1962 |
| Corsini | l. & E. | 481, 498, Bodallin | LE5 and 42A, 17B | 1962 |
| Corteen | G. L. | Waverley Farm, Konnongorring | G0C and 19B, 38E | 1962 |
| Corunna Downs Station | - | PI 394/529, 394/1164, 394/1165, 394/1168, 394/1169, 394/1268, Marble Bar | L1N and 34C, 11E | 1962 |
| Cosenza | G. N. | 14057 on diagram, Burekup | 8GC and 34C, 3E | 1962 |
| Cosgrove | David | Yelbini, Dowerin | C3X | 1924 |
| Cosgrove | Ellen | Maldon, Armadale | C9 E | 1912 |
| Cosgrove | Ellen | Maldon, Armadale | C9E | 1924 |
| Cosgrove | M. C. & M. M. | Clarendon, Yelbeni | CM6 and 17D, 109E | 1962 |
| Cosgrove | R. J. | 10050 Vic. Loc. & Roylands, Coorow | R5C and 6D, 118E | 1962 |
