| Dellabosca | J. | Burbridge | Liberty | YL ● 17 | Yilgarn Road Board | 1926-27 |
| Dellabosca | Joseph | Burbridge | Ford | YL ● 18 | Yilgarn Road Board | 1924-25 |
| Delland | C. N. | Katanning | Ford Truck | KA ● 352 | Katanning Road Board | 1927-28 |
| Dellar | J. | Maddington | Ford | 6892 | Metro Private Car | 1925-26 |
| Dellar | J. | Maddington | Ford | 6892 | Metro Private Car | 1926-27 |
| Dellar | J. | Maddington | Ford | 6892 | Metro Private Car | 1927-28 |
| Dellar | Jas. | Maddington | Ford | GS ● 27 | Gosnells Road Board | 1924-25 |
| Delling | C. A. | Brookton | Ford Truck | BO ● 119 | Brookton Road Board | 1926-27 |
| Delmage & Thurkle | - | Dongara | Ford 20 H.P. | IR4 | Irwin Road Board | 1916 |
| Delmage & Thurkle | - | Dongara | Ford 20 H.P. | JR ● 4 | Irwin Road Board | 1919 |
| Delmage & Thurkle | J. & A. | Dongara | Ford 20 H.P. | IR ● 4 | Irwin Road Board | 1917-18 |
| Delman | J. | Welshpool Road, Welshpool | Chevrolet | 10488 | Metro Hire or Trade | 1926-27 |
| Delmel | H. V. | 16 Carr Street, West Perth | Chevrolet | 7062 | Metro Private Car | 1926-27 |
| Delmenice | A. | Coolgardie | Ford | CG ● 13 | Coolgardie Road Board | 1926-27 |
| Delmenico | A. | Coolgardie | Ford | CG ● 13 | Coolgardie Road Board | 1922-23 |
| Delmenico | A. | Coolgardie | Ford | CG ● 13 | Coolgardie Road Board | 1923-24 |
| Delmenico | A. | Coolgardie | Ford | CG ● 13 | Coolgardie Road Board | 1924-25 |
| Delmenico | A. | Coolgardie | Ford | CG ● 13 | Coolgardie Road Board | 1925-26 |
| Delvin & Corry | - | Narembeen | Ford | NB ● 198 | Narembeen Road Board | 1927-28 |
| DeMamiel | O. L. | Toodyay | Ford 20 H.P. | T 10 | Toodyay Road Board | 1916 |
| Demel | R. K. H | 11 Campsie Street, West Subiaco | Chrysler | 8051 | Metro Private Car | 1927-28 |
| Demel | R. K. H. | 11 Campsie Street, Subiaco | Essex | 8051 | Metro Private Car | 1926-27 |
| DeMoullin | Henry | 147 Adelaide Terrace, Perth | Hudson | 3024 | Metro Vehicle for Hire | 1922-23 |
| Dempser | F. C. | Grass Valley | Buick | N ● 3 | Northam Road Board | 1926-27 |
| Dempster | E. A. | Toodyay | Dodge | T ● 99 | Toodyay Road Board | 1927-28 |
| Dempster | F. C. | Marron Station | Austin 15 H.P. | GM 10 | Gascoyne - Minilya Road Board | 1916 |
| Dempster | F. G. | Marron Station | Austin 15 H.P. | GM 10 | Gascoyne-Minilya Road Board | 1915 |
| Dempster | F. G. | Marron Station | Ford 20 H.P. | GM ● 20 | Gascoyne-Minilya Road Board | 1917-18 |
| Dempster | F. G. | Cooralya | Dodge | GM ● 42 | Gascoyne-Minilya Road Board | 1924-25 |
| Dempster | F. G. | Cooralya | Dodge | GM ● 42 | Gascoyne-Minilya Road Board | 1925-26 |
| Dempster | F. G. | Cocrayla | Dodge | GM ● 42 | Goscoyne-Mililya Road Board | 1926-27 |
| Dempster | F. G. | Cooralya | Dodge | GM ● 42 | Gascoyne Minilya Road Board | 1927-28 |
| Dempster | G. | 55, Guildford Road, Mount Lawley | Morris-Cowley | 9954 | Metro Private Car | 1926-27 |
| Dempster | G. | 55, Guildford Road, Mount Lawley | Morris-Cowley | 9954 | Metro Private Car | 1927-28 |
| Dempster | G. F. | 13 Ord Street | Triumph 3½ H.P. Motorcycle | P 195 | Perth Municipality | 1915 |
| Dempster | G. F. | Mount Street | Triumph 3½ H.P. Motorcycle | P 195 | Perth Municipality | 1916 |
| Dempster | G. F. | Forrest House, Perth | Triumph 4 H.P. | P 676 | Perth Municipality | 1916 |
| Dempster | G. F. | - | Cycle | P ● 43 | Perth Road Board | 1919 |
| Dempster | G. F. | 55, Guildford Road, Road Mount Lawley | Triumph | 909 | Metro Motorcycle | 1922-23 |
| Dempster | G. M. | Benger | Hupmobile 20 H.P. | P 638 | Perth Municipality | 1915 |
| Dempster | G. M. | Benger | Hupmoblie | H ● 25 | Harvey Road Board | 1922-23 |
| Dempster | G. M. | Beyer | Hupmobile | H ● 25 | Harvey Road Board | 1923-24 |
| Dempster | G. M. | Beyer | Humpmobile | H ● 25 | Harvey Road Board | 1924-25 |
| Dempster | G. M. | Beyer | Hupmobile | H ● 25 | Harvey Road Board | 1925-26 |
| Dempster | G. M. | Beyer | Hupmobile | H ● 25 | Harvey Road Board | 1926-27 |
| Dempster | G. M. | Beyer | Hupmobile | H ● 25 | Harvey Road Board | 1927-28 |
| Dempster | H. | 42 Saint George's Terrace | Chevrolet Wagon | 13868 | Metro Private Car | 1926-27 |
| Dempster | H. H. | Walter Street, Claremont | - | C 112 | Claremont Municipality | 1919 |
| Dempster | J. C. | Grass Valley | Rover 20 H.P. | N ● 3 ● | Northam Road Board | 1917-18 |
| Dempster | J. C. | Grass Valley | Dodge 20 H.P. | N 3 | Northam Road Board | 1919 |
