| Coombes | Andy | Commonage, Sandstone | 2CA | 1924 |
| Coombes | C. R. | Bellevue, Woodanilling | 7CR and 4C, 31A | 1962 |
| Coombs | D. & R. J. | Graigburn, Gidgegannup | 2AC and 41B, 119A | 1962 |
| Coombs | M. A. & W. B. | Roseleigh, Wyalkatchem | S9B and 35A, 49B | 1962 |
| Coombs | R. A. | Lots 177 of Loc. 1317 Gidgegannup, Wooroloo | RA8 and 30B, 48E | 1962 |
| Coomer | M. | The Oaks, Goomalling | MC0 | 1912 |
| Coomer | M. T. | The Oaks, Goomalling | MC0 | 1924 |
| Coon | T. H. | Coomon, Mount Magnet | CT6 | 1912 |
| Coon | T. H. | Common, Mt. Magnet | CH6 | 1924 |
| Coonan | James | Spring Vale, Northampton | 0QC | 1924 |
| Coonan | Thos. | Waterloo | TC1 | 1912 |
| Coonan | Thos. | Waterloo | TC1 | 1924 |
| Coonan & Son | B. | Spring Vale, Northampton | NC9 | 1924 |
| Coondee Estate | - | Coondee, W Brookton | 1WM and 3C, 15A | 1962 |
| Cooper | A. & M .V. | 5769, 9668 Maya | MC4 and 50B, 42E | 1962 |
| Cooper | A. A. | Locs. 2505, 19077, 3252, 2885, Southern Brook | 3KO | 1924 |
| Cooper | A. H. | Warrup, Harvey | Q4C | 1924 |
| Cooper | A. O. | Many bends, Hay Loc. 2109 Perillup, via Mt Barker | OCA and 32C,3A | 1962 |
| Cooper | A. S. | Boradle, Nunajin | B7C | 1912 |
| Cooper | A. S. | Boradle, Bruce Rock | B7C | 1924 |
| Cooper | A. V. | Harrismith, Narrikup | 4YB and 29B, 37E | 1962 |
| Cooper | A. W. E. | Severn Grove, Beverley | EP8 and 23B, 19E | 1962 |
| Cooper | Alex. Wm. | Rose Cottage, Nabawah | VU8 | 1924 |
| Cooper | Arthur Alex | Quandine Station, Gindalbi, via Kanowna | H3H | 1924 |
| Cooper | B. B. P. | Lyndhurst, Mollerin | B2C and 6D, 120E | 1962 |
| Cooper | Bert | Commonage, Rockingham | H8C | 1912 |
| Cooper | Bert | Commanage, Rockingfham | H8C | 1924 |
| Cooper | C. H. & J. M. | Mungaloug, The Lakes | C2C and 8A, 109B | 1962 |
| Cooper | C. J. | Farm No.A 1265 Eneabba, viaThree Springs | C9C and 50C, 19E | 1962 |
| Cooper | C. K. & E. V. | Muloo, Nabawa via Geraldton | AX3 and 71C, 5E | 1962 |
| Cooper | C. M. | Ki Ora Rocky Gully, via Mt. Barker | 3XC and 27A, 18B | 1962 |
| Cooper | D. F. | M2/08 Part of Vic. Loc. 2024 Arrino | DC4 and 22C, 46E | 1962 |
| Cooper | Dora Jane | Vic. Loc. 2623, Nabawah | 7KV | 1924 |
| Cooper | E. & E. E. | Canberra Springs, Kal-Guddering | O0E | 1924 |
| Cooper | E. E. | Lucky Flats, Wongan Hills | K7Z | 1924 |
| Cooper | E. J. | Wanneroo Road, Osborne Park | E1X | 1924 |
| Cooper | E. T. | Redlands, Red Lake | E0C and 80E, 24B | 1962 |
| Cooper | E. W. | Sussex Loc. 2932 Osruington, Margaret River | U7C | 1962 |
| Cooper | Ernest | Allendale, Wonnerup | C9Q | 1924 |
| Cooper | F. L. | Sunnyvale, 835, 847, 1452 Ruabon, via Busselton | CO0 and 71D, 39E | 1962 |
| Cooper | F. R. | Lot 15, M. E. Vic. Loc. 4834 Nanson | 2CO and 48D, 4E | 1962 |
| Cooper | Frank | Lot 1438, Barrier Block, Collie | FX2 | 1924 |
| Cooper | Fredk. | Yeronga, Moora | 0FC | 1912 |
| Cooper | Fredk. | Yeronga, Moora | 0FC | 1924 |
| Cooper | G. A. | Gindabbie, Gindabbie | G4C | 1912 |
| Cooper | G. A. | Gindabbie | G4C | 1924 |
| Cooper | G. T. & F. D. | Gaywood, Wellbungin | CU3 and 25B, 71E | 1962 |
| Cooper | H. J. H. | Hylande Park, Graball, via Narembeen | 4CU and 41A, 46C | 1962 |
| Cooper | Harry | Lake View, Nunyup, via Tenterden | KO0 | 1924 |
| Cooper | J. | Crystal Brook, Meekatharra | 5UC | 1962 |
