| Dale | Wm. T. | Dayleford, Katanning | ZD2 | 1924 |
| Dale-Smith | B. | Grayling, Darlington | P7U | 1962 |
| Daley | P. L. | Locs. 160/161/162, West Coolup | PD1 and 10A, 22B | 1962 |
| Dalgety & Company Ltd. | - | Lots 8, 11, 17, 58, 61, 74, 81, 95, 102, perth 103/ 112, 146/148, Hazelmere | DC5 and 6C, 106A | 1962 |
| Dalgety Downs Past Co. | - | Dalgety Downs, Carnarvon | F7T and 4B, 22E | 1962 |
| Dalgleish | Arch. | Dairy, Hubert Road, Harvey | DX5 | 1924 |
| Dalgleish | George | Newcarlbion Farm, Koorda | QD3 | 1924 |
| Dalgleish | Gilbert | A. A. Lot 159, 160, 171, Koorda | D5X | 1924 |
| Daliak Estate | - | Daliak, York | M0D and 55F, 14B | 1962 |
| Dall | A. F. | Dedaring, Quairading | 1AX and 35A, 13C | 1962 |
| Dall | B. H. | Dallveen, Quairading | SD1 and 36A, 11C | 1962 |
| Dall | C. R. | Karrakin, Quairading | CE3 and 7B, 11A | 1962 |
| Dall | R. W. | Gimlet Wall, Quairading | UD6 and 102A, 29B | 1962 |
| Dall | S. C. | Cunderdin | SD1 | 1912 |
| Dall | S. C. | Cunderdin | SD1 | 1924 |
| Dallas | H. M | Mowbray, Waroona | 4HM | 1912 |
| Dallas | H. M. | Mowbray, Waroona | 4HM | 1924 |
| Dalling | A. M. B. | Windemere, East Pingelly | 6DO | 1912 |
| Dalling | A. M. B. | Windemere, East Pingelly | 6DO | 1924 |
| Dallow | Fredrick Charles | Coronation, Thomson's Brook Donnybrook | F4D | 1926 |
| Dalmore Estate | - | Dalmore, Bridgetown | SD2 and 11C, 20E | 1962 |
| Dalton | A. | The Lake, Chidlow's Well | 3DO | 1912 |
| Dalton | A. | The Lake, Chidlow's Well | 3DO | 1924 |
| Dalton | B. & E. M. | Glenlark, Dandaragan | FC7 and 10B, 4E | 1962 |
| Dalton | D. E. | Wailgulya, Geraldton | D3E and 71A, 33B | 1962 |
| Dalton | J. A. | 5274, Denmark | J2D | 1962 |
| Dalton | John Edward | Avon Loc. 20015, Merredin | 9XD | 1924 |
| Dalton | N. H. | Kelbride, Burekup | X0E | 1924 |
| Dalton | R. | 4 Mill, Jarrahdale | DR3 | 1924 |
| Dalton | R. D. | Maydale, Northam | R3D and 42D, 57F | 1962 |
| Dalton | Syd. | 2 Railway Mill, Dwellingup | 8ZD | 1924 |
| Dalton | W. G. | Contractor, Moora | DW0 | 1912 |
| Dalton | W. G. | Contractror, Moora | DW0 | 1924 |
| Dalton | W. L. & R. T. | Locs. 14190 and 14192, Kungajen, Nungarin | D4L | 1924 |
| Dalton & Davis | - | Prospect, Bindoon | DD0 | 1912 |
| Dalton & Davis | - | Prospect, Bindoon | DD0 | 1924 |
| Dalton & Irvine | - | Toolang Farm, Narrogin | LD1 | 1912 |
| Dalton & Irvine | - | Toolang Farm, Narrogin | LD1 | 1924 |
| Dalton & Langdon | - | Harvey Agrie, Lot 14, Dwellingup | N6Y | 1924 |
| Dalton & Son | - | The Outlook, Doodalakine | DW0 and 8B, 116A | 1962 |
| Dalwood | D. G. | Woodleigh, Bakers Hill | DX6 | 1924 |
| Daly | B. T. | Yards, Douro Roads, South Fremantle | BD0 | 1912 |
| Daly | B. T. | Douro Roads, South Fremantle | BD0 | 1924 |
| Daly | Bernard Joseph | Gnarming, via Narrogin | 0UD | 1924 |
| Daly | Denis | Loc. 14296, Lake Brown, Nungarin | UD0 | 1924 |
| Daly | Eugene | Locs. 389 and 612, Ballidu | DE5 | 1924 |
| Daly | H. P. G. | Burwood, Nelson Loc. 3548, Bridgetown | BN4 and 116A, 13B | 1962 |
| Daly | James | Gabalong, Lake Hinds | JD4 | 1928 |
| Daly | John B. | Lyre Farm, Boruholm, via Torbay Junction | DY4 | 1924 |
| Daly | M. J. | Rosedale Farm, Broomehill | M3D | 1912 |
