| Don | John Rorison | Commonage, Wiluna | J8X | 1924 |
| Donald | D. A. | Balintore Farm, Pintharuka | 8XD | 1924 |
| Donald | J. J. D. | Millbrook, Yallingup | R1D and 67B, 29A | 1962 |
| Donald | J. S. | Locs. 2739-84-98-1065, Dowerin | DF6 and 20D, 110E | 1962 |
| Donald | L. J. B. | 813, 343, 344, 345, Serpentine | 2LD and 15D, 109E | 1962 |
| Donald | Rae | C.P. 22115/55, Yuna | 2RD | 1912 |
| Donald | Rae. | Yuna | 2RD | 1924 |
| Donald | Robt. | Yalingup, Busselton | R1D | 1912 |
| Donald | Robt. | Yallingup, Busselton | R1D | 1924 |
| Donald | W. A. & L. E. | 1317-9/10, Herne Hill | W3D and 106B, 23A | 1962 |
| Donald & Co. | G. | Northam | DF6 | 1924 |
| Donald & Son | - | Maryville Dairy, Guildford West | A0D | 1924 |
| Donald & Sons | A. | Maryville Dairy, Guildford | A0D | 1912 |
| Donaldson | A. K. & A. M. | Oranmore, Koorda | DB4 and 103A, 43C | 1962 |
| Donaldson | B. | Innamincka, West Popanyinning | B4D and 38C, 44A | 1962 |
| Donaldson | E. C. (Mrs) | Glencosie, Northcliffe | D4D | 1962 |
| Donaldson | H. G. | Black Range Station, Sandstone | QH5 and 45B, 19E | 1962 |
| Donaldson | J. M. & H. M. | Plan. 980, 977, 981/83, 985/987, 2079, Kendenup | 4MD and 12B, 22E | 1962 |
| Donaldson | K. A. | Nettadyne, East Pingelly | KA7 and 35B, 120E | 1962 |
| Donaldson | M. | Stirling Estate, Bunbury | M8D | 1912 |
| Donaldson | M. | Stirling Estate, Bunbury | M8D | 1924 |
| Donaldson | P. & J. | 2545, 2550, 2807, 179, 560, Koorda | PD1 and 12A, 33B | 1962 |
| Donaldson | W. | The Neuk, Cowaramup | D9W | 1962 |
| Donaldson & Son | A. K. | Carabin, West Popanyinningd | D7A and 7C, 106A | 1962 |
| Donaldson & Sons | - | Pts. Swan M 1381, 1371, Chittering | 2DS and 24D, 32E | 1962 |
| Doncan | R. O. | The Pines, Lot 20062, Nokaning | R6D and 39C, 59F | 1962 |
| Doncan & Son | H. & S. | Timaru, East Beverley | Z5D and 52F, 102C | 1962 |
| Doncon | E. A. | Wedgewoods Farm, Kellerberrin | E4D and 43B, 18A | 1962 |
| Doncon | E. E. | Eastville, Wickepin | ED5 and 84C, 25E | 1962 |
| Doncon | E. K. & P. I. | Jandonal, Geraldton | 0KD and 18D, 32E | 1962 |
| Doncon | E. R. | Rocklea, Avon Loc. 15613, Nokaning | 4EL and 16A, 34B | 1962 |
| Doncon | E. T. & J. E. | Tamaru, Upper Kalgan, via Albany | JD5 and 7D, 7E | 1962 |
| Doncon | Ed. R. | Timaru Farm, East Beverley | ED5 | 1912 |
| Doncon | Ed. R. | Timaru Farm, East Beverley | ED5 | 1924 |
| Doncon | Keith Edward | Northham | 0KD | 1926 |
| Doncon | L. W. | Deep Pool, Part 3974, 5357, 961, Beverley | 7RD and 51F, 1C | 1962 |
| Doncon | M. | Arnold Park, York | Z5D | 1912 |
| Doncon | R. C. | Boyadine, Rockville, Beverley | 7RD | 1912 |
| Doncon | R. C. | Boyadine, Rockville, Beverley | 7RD | 1924 |
| Doncon & Co. | A. M. | Mt. Caroline, Kellerberrin | DA3 and 43B, 44E | 1962 |
| Doncon & Co. | H. J. | Tareena, Wickepin | Z5D and 15E, 34C | 1962 |
| Donegan | B. E. | Coorawarren, York | M6D and 35A, 24B | 1962 |
| Donegan | Jas. | Nine-Mile Farm, Newcastle | 0MD | 1912 |
| Donegan | Jas. | Nine-Mile Farm, Toodyay | 0MD | 1924 |
| Donegan | Mary | The Range, Tooday | M6D | 1912 |
| Donegan | Mary | The Range, Toodyay | M6D | 1924 |
| Donegan | Thos. John | Victoria Hotel, Toodyay | XT9 | 1924 |
| Donegan | V. S. | Codlin, Toodyay | VR1 and 44E, 22D | 1962 |
| Donely | J. J. | Osmond Farm, Darkan | J5D | 1924 |
| Donely | Richard | Great Boulder Dairy, Boulder | RD6 | 1924 |
