| Doust | Herbert L. | Riverside Run, Manjimup | YP1 | 1924 |
| Doust | J. A. | Spring Hill, Bridgetown | D8J and 67A, 19B | 1962 |
| Doust | James | Hill River, Dandarragan | 2VD | 1924 |
| Doust | Matthew | Heliotrope Farm, West Toodyay | 4DA | 1912 |
| Doust | Matthew | Heliotrope Farm, West Toodyay | 4DA | 1924 |
| Doust | S. B. | Edale, Moora | 1DA and 38B, 103E | 1962 |
| Doust | Sally | Hall's Creek | S0D | 1912 |
| Doust | Sally | Halls Creek | S0D | 1924 |
| Doust | T. | Nelson Loc. 2208, Dunreath, Manjimup | T1X and 7D, 18E | 1962 |
| Doust | V. A. | Woodlands, Bridgetown | 0AD and 55F, 20C | 1962 |
| Doust | V. L. | Riverside, Manjimup | V6D | 1924 |
| Doust | W. H. | Graylands, Upper Blackwood | WD8 | 1912 |
| Doust | W. H. | Graylands, Upper Blackwood | WD8 | 1924 |
| Doust | W. L. H. | Comberdup Loc. 895, Bridgetown | WD8 and 5B, 12E | 1962 |
| Dove | P. M. | Lucerndale, Korrelocking | PD0 | 1912 |
| Dove | P. M. | Lucerndale Farm, Korrelocking | PD0 | 1924 |
| Dovey | T. H. | Loc. 30930/55 Mt. Barker | 7TQ | 1924 |
| Dow | Geo. C. | Bungulluping, via Bruce Rock | OD2 | 1924 |
| Dow | Geo. M. | Carron Vale, Armadale | 2DO | 1924 |
| Dow | Peter | Fitzgerald Loc. 397 and 209, Salmon Gums | 4PD | 1926 |
| Dow | Robert | Fitzgerald Loc. 296, Salmon Gums | R2D | 1926 |
| Dowd | Harry | Waterfall, Wagerup | H4D | 1912 |
| Dowd | Timothy | Ningham Lot 1327/96, Field's Find, via Yalgoo | 9DD | 1912 |
| Dowd | Timothy | Ninghan Lot 1327/96, Fields Find, via Yalgoo | 9DD | 1924 |
| Dowdall | A. E. | Lake View, Moorine Park | A8D and 34B, 45E | 1962 |
| Dowdell | D. C. | Golden Glory, Helena Valley | 8DD | 1962 |
| Dowdell | D. J. | Stirling View, Broomehill | 7UP and 116B, 116A | 1962 |
| Dowdell | F. | Horsham, Harrismith | 6FD and 39C, 43E | 1962 |
| Dowdell | J. E. (jnr.) | Plant. 4371, Goondooloo, Katanning | 5ED and 46C, 17A | 1962 |
| Dowdell | M. E. | Tenterden | 7DO | 1924 |
| Dowdell | R. O. | Carramar, Harrismith | 0WD and 105A, 50C | 1962 |
| Dowdell & Co. | J. | Koj. 8810, Broomehill, | 0JD and 46C, 115E | 1962 |
| Dowden | A. A. | Wattle Farm, Rockingham | D7X | 1912 |
| Dowden | A. A. | Wattle Farm, Rockingham | D7X | 1924 |
| Dowden | A. G. | Challa Station, Mt. Magnet | 2DB and 28C, 9E | 1962 |
| Dowden | Mrs C. W. | Challa Station, Mt. Magnet | 9AD | 1924 |
| Dowden | Mrs. C. W. | Challa Station, Mt. Magnet | 9AD | 1912 |
| Dowden Bros. | - | Challa Station, Mt. Magnet | 2DB | 1912 |
| Dowden Bros. | - | Challa Station, Mt. Magnet | 2DB | 1924 |
| Dowding | Martha | Belmont | 2ND | 1924 |
| Dowding | P. | Deallhal, Koorda | QD8 | 1924 |
| Dowding | W. & M. F. | 16420, 21465, Kellerberrin | W0D and 6B, 117E | 1962 |
| Dowell | A. J. W. | The Springs, Beenup | A7D | 1912 |
| Dowell | A. J. W. | The Springs, Byford | A7D | 1924 |
| Dower | R. A. & A. G | Dunroven, Kulin | 5MD and 45C, 9E | 1962 |
| Dower | Samuel | Ebsworth Street, Mt. Lawley | 7SD | 1912 |
| Dower | Samuel | Ebsworth Street, Mt. Lawley | 7SD | 1924 |
| Dower | W. K. | Avon Locs. 18848 & 19694-7-8, Kulin | KD5 and 32D, 71E | 1962 |
| Dowie | D. | Michalrup Loc. 2706, Boyup Brook | DD6 and 20B, 15E | 1962 |
| Dowie | David | Bull's Head, Upper Blackwood | DD6 | 1912 |