| Cailes | J. C. | Williams Lov. 13002, Wagin | J8C and 6A, 50B | 1962 |
| Cailes | L. R. & J. C. | Jamindie, South Stirling | LJ3 and 49B, 23A | 1962 |
| Cailes | P. R. | Boyup Brook | 5PK | 1924 |
| Caimanos | Louisa | Fair View Valley, Marbellup | 3LC | 1912 |
| Caimanos | Louisa | Fair View Valley, Marbellup | 3LC | 1924 |
| Cain | A. H. | Brookeview, Brookhampton | HC9 and 30B, 120E | 1962 |
| Cain | A. J. | Range View, Boyanup | 9UA and 16B, 80E | 1962 |
| Cain | A. M. | Melody, Brookhampton | CZ2 and 41B, 84E | 1962 |
| Cain | C. F. J. | Sussex 2293, 2294, Osmington, via Margaret River | 0RC and 49C, 48A | 1962 |
| Cain | David | Field's Find via Yalgoo | DC6 | 1912 |
| Cain | David | Field's Find, via Yalgoo | DC6 | 1924 |
| Cain | E. R. | Glengarry, Brookhampton | 3CZ and 7C, 39E | 1962 |
| Cain | Geo. Wm. | Pingelly | GW1 | 1912 |
| Cain | Geo. Wm. | Pingelly | GW1 | 1924 |
| Cain | Henry | Book View Thomson's Brook, Donnybrook | HC9 | 1912 |
| Cain | Henry | Brook View, Thomson's Brook | HC9 | 1924 |
| Cain | Henry | Hamilton Creek, Collie West | KC0 | 1924 |
| Cain | James | Brookdale Vineyards, Newcastle | JC3 | 1912 |
| Cain | James | Brookdale Vineyards, Toodyay | JC3 | 1924 |
| Cain | Owen Henry | Brackendale, Thomson's Brook | O0G | 1924 |
| Cain | R. E. | San Sonei, Brookhampton | 6CE and 53F, 21D | 1962 |
| Cain | Richard | Thomson's Brook | 3CZ | 1924 |
| Cain | Thomas | Doorawarrah | 2TC | 1912 |
| Cain | Thos. | Doorawarrah | 2TC | 1924 |
| Cain | W. L. | Walene, Boyanup | WL9 and 112D, 38E | 1962 |
| Caincross | Geo | Glencairn, Kojonup | C2G | 1912 |
| Caine | Robt. Henry | Muja, via Collie | 8UC | 1924 |
| Cairn | D. J. & C. N. | Woodlyn Farm, Moonyoonooka | VO7 and 21E, 38C | 1962 |
| Cairn | Richard Henry | Northampton | ZH8 | 1924 |
| Cairncross | Geo. | Glencairn, Kojonup | C2G | 1924 |
| Cairns | F. | Oasis, Nallon Siding via Cue | F6C | 1912 |
| Cairns | F. | Oasis, Nallon Siding, via Cue | F6C | 1924 |
| Cairns | G. D. | Glencairn, Barton | G8C | 1912 |
| Cairns | Hubert Douglas | Mukinbudin | 5VK | 1924 |
| Cairns | John | Gordon Vale, Emu Hill | 7CV | 1924 |
| Cairns | John | Clencairn, Piesse West | G8C | 1924 |
| Cairns | M. R. | Glencairn, Piesseville | G8G | 1928 |
| Cairns | M. R. | Glencairn, Piesseville | G8C and 116D, 6E | 1962 |
| Cairns | Thos. | Commonage, Mt. Magnet | 4CV | 1924 |
| Cairns Jack and Leipold | Geo. | Jessop's Well Run, via Kookynie | U6E | 1924 |
| Cake | W. E. | Rosedale, Kronkup, via Albany | WC7 and 29D, 5E | 1962 |
| Cake & Son | L. R. | Willowup, Bornholm | CK8 and 30D, 114E | 1962 |
| Calder | C. W. | Wandan Hill, Yuna | C0U | 1924 |
| Calder | J. M. & A. | Dalgliest Farm, Needilup, via Ongerup | OC9 | 1924 |
| Calder | John F. | North Wubin, Wubin | NC8 | 1924 |
| Calder | N. D. | Wattle Grove, Dindiloa | X1C and 33C, 8A | 1962 |
| Calder & Co. | - | Louisa Downs, West Kimberly | Y2T | 1912 |
| Calder & Co. | - | Bohemia Downs, W. Kimberley | Y2T | 1924 |
| Calderwood | C. D. | 1344, 1345, 1346, 1347, 2139, 541, Beacon | 1CC and 33B, 45E | 1962 |
| Caldow | Andrew | Lombardina Station, Hall's Creek | K1T | 1924 |
