| Cox | Geo. Wm. | Rocklee, Wickepin | 7CY | 1924 |
| Cox | George | Block 28, Collie River, Burekup | G0X | 1927 |
| Cox | George R. P. | Osmond Farm, Killarney, Darkan | OX4 | 1924 |
| Cox | H. W. J. | Seven Springs, Bridgetown | CX3 and 37D, 113E | 1962 |
| Cox | Hudson | Bellevue, Mandurah | 8HC | 1912 |
| Cox | Hudson | Bellvue, Mandurah | 8HC | 1924 |
| Cox | J. A | Kia-Ore, Doodlakine | JC5 and 28D, 41E | 1962 |
| Cox | J. D. | Murray 128 & 16, Coolup | XC0 and 10D, 44E | 1962 |
| Cox | J. H. | Pynup, Cranbrook | C9X | 1912 |
| Cox | J. H. | Pynup, Cranbrook | C9X | 1924 |
| Cox | J. H. | Athgarvan Pt. 1 of 201, Coolup | 1CX and 22E, 23D | 1962 |
| Cox | J. M. & R. E. | Addis Park, Wanneroo | AP2 and 103A, 19C | 1962 |
| Cox | J. N. | Athgarvan, Coolup | XC0 | 1924 |
| Cox | J. O. | Locs. 9270/9417, Gutha | CB0 and 110A, 13C | 1962 |
| Cox | John | Kyogle, via Quairading | 6CX | 1912 |
| Cox | John | Kyogle, Quairading | 6CX | 1924 |
| Cox | Joseph | Tine River, Towerlup Brook, Kulikup | C4Z | 1924 |
| Cox | L. J. & J. B. | Enegee, Naraling, via Geraldton | XG2 and 8D, 22E | 1962 |
| Cox | M. A. & A. B. | Aldervale, Bridgetown | 1UC and 10C, 117E | 1962 |
| Cox | Mary E. | P. O. Brown Hill | 7XD | 1927 |
| Cox | Mrs S. | The Junction, Gascoyne, via Carnarvon | 6BX | 1924 |
| Cox | O. W. | Mybiedale, Picton Junction | 9XY | 1924 |
| Cox | Paul | Ningham Loc. 1892, Dalwallinu | AQ3 | 1925 |
| Cox | Phillip S. B. | Yilgarn Loc. 464, Boddalin | N8Q | 1925 |
| Cox | Richard | Tarawingee, Brookton | C2X | 1912 |
| Cox | Robt. | Hill View, South Wandering Road | 2RC | 1912 |
| Cox | Robt. | Hill View, South Wandering Road | 2RC | 1924 |
| Cox | T. H. | Athgarvan, Coolup | CX3 and 80B, 116A | 1962 |
| Cox | Thos. | Ellendale Farm, Kirup | 6CT | 1924 |
| Cox | W. & G. T. | Pekaring Hill, Kwolyin | C2X and 44B, 71E | 1962 |
| Cox | W. H. | Vandanoo Spring Vic. Loc. 8628, Gutha | YA5 and 23B, 46E | 1962 |
| Cox | W. M. & B. E. | Block 5 Yerapin, Kellerberrin | WC3 and 43D, 38E | 1962 |
| Cox | W. T. & G. P. | Vic. 3640, Tardun | C7P and 20C, 108E | 1962 |
| Cox | Wm. | Greenbushes | 7CZ | 1912 |
| Cox | Wm. | Pannikin Downs, W. Kimberley | C0X | 1912 |
| Cox | Wm. | Greenbushes | 7CZ | 1924 |
| Cox | Wm. | Pannikin Downs, W. Kimberley | C0X | 1924 |
| Cox | Wm. | Loc. 1271 Ballidu | K0X | 1924 |
| Cox & Co. | J. | Kalloa, N. Kellerberrin | G5C and 59F, 4C | 1962 |
| Cox Bros. | - | Avon 18241, 11462, 12903, Korrelocking | 8CB and 16D, 35E | 1962 |
| Coxen | L. K. | Lake View Avon Loc. 19291, 15655, Gabbin | L4C and 2C, 46E | 1962 |
| Coxen | R. T. R. & M. | Badgerin | V4N | 1924 |
| Coxhead | Chas. | Winkfield, Byford | 5VJ | 1924 |
| Coxon | A. J. | Avon Loc. 11548, 17371, 21880, 21888, Yealering | E5C and 4C, 50A | 1962 |
| Coxon | A. W. | Glen Valley, Wickepin | NE9 and 12B, 9E | 1962 |
| Coxon | E. W. F. | Milton, Pingelly | E6C | 1912 |
| Coxon | E. W. F. | Miltom, Pingelly | E6C | 1924 |
| Coxon | T. R. | Kyalla, Trayning | F5X | 1924 |
| Coxon | W. E. G. | Trayning | X0N | 1924 |
| Coyle | E. J. | Castle Dare, Cannington | EX9 | 1924 |
