| Dowden | C. | Challa Station | Ford 24 H.P. | MA ● 18 | Mount Magnet Road Board | 1917-18 |
| Dowden | C. | Mount Magnet | Overland | MA ● 17 | Mount Magnet Road Board | 1924-25 |
| Dowden | C. W. | Challa Station | Overland | MA ● 17 | Mount Magnet Road Board | 1925-26 |
| Dowden | C. W. | Challa Station | Overland | MA ● 17 | Mount Magnet Road Board | 1926-27 |
| Dowden | C. W. | Dongara | Buick | IR ● 24 | Irwin Road Board | 1926-27 |
| Dowden | C. W. | Chalia Station | Overland | MA ● 17 | Mount Magnet Road Board | 1927-28 |
| Dowden | C. W. | Dongara | Buick | IR ● 24 | Irwin Road Board | 1927-28 |
| Dowden | Charles | Mount Magnet | Overland | MA ● 11 | Mount Magnet Road Board | 1922-23 |
| Dowden | Charles | Mount Magnet | Overland | MA ● 17 | Mount Magnet Road Board | 1923-24 |
| Dowden | F. | Challa Station | Ford 18 H.P. | MA 18 | Mount Magnet Road Board | 1916 |
| Dowden | F. | Challa Station | Ford 24 H.P. | MA ● 17 | Mount Magnet Road Board | 1917-18 |
| Dowden | F. T. | 11 Outram Street, Perth | Fiat | 2639 | Metro Private Car | 1923-24 |
| Dowden | F. T. | 11 Outram Street, West Perth | Fiat | 2638 | Metro Private Car | 1924-25 |
| Dowden | F. T. | 11 Outram Street, West Perth | Fiat | 2639 | Metro Private Car | 1925-26 |
| Dowden | F. T. | West Perth | Fiat | 2639 | Metro Private Car | 1926-27 |
| Dowden | F. T. | 11 Outram Street, West Perth | Fiat | 2639 | Metro Private Car | 1927-28 |
| Dowden | W. E. | Mount Magnet | Buick | MA ● 18 | Mount Magnet Road Board | 1924-25 |
| Dowell | A. E. | Albany | Studebaker 20 H.P. | A 33 | Albany Municipality | 1917-18 |
| Dowell | F. W. | Vasse | Ford Truck | SU ● 14 | Sussex Road Board | 1925-26 |
| Dowell | F. W. | Vasse | Ford Truck | SU ● 14 | Sussex Road Board | 1926-27 |
| Dowell | F. W. | Vasse | Ford Truck | SU ● 14 | Sussex Road Board | 1927-28 |
| Dowell | J. | Busselton | Ford Truck | BN 45 | Busselton Municipality | 1924-25 |
| Dowell | J. E. | Bedfordale | Ford Truck | A-K ● 65 | Armadale-Kelmscott Road Board | 1927-28 |
| Dowell | O. | Bedfordale | Ford Truck | A-K ● 65 | Armadale-Kelmscott Road Board | 1924-25 |
| Dowell | O. | Bedfordale | Ford Truck | A-K ● 65 | Armadale-Kelmscott Road Board | 1925-26 |
| Dowell | O. | Bedfordale | Ford Truck | A-K ● 65 | Armadale-Kelmscott Road Board | 1926-27 |
| Dowell | R. | Busselton | Studebaker | BN 22 | Municipality of Busselton | 1925-26 |
| Dowell | R. | Busselton | Studebaker | BN 22 | Municipality of Busselton | 1926-27 |
| Dowell | R. | Busselton | Studebaker | BN 22 | Municipality of Busselton | 1927-28 |
| Dowell | Richard | Busselton | Studebaker | BN 22 | Busselton Municipality | 1924-25 |
| Dower | Georges | 41 Davis Street, Boulder | B.S.A. Motorcycle | B 4 | Boulder Municipality | 1922-23 |
| Dowerin Road Board | - | Dowerin | Ford | D ● 125 | Dowerin Road Board | 1925-26 |
| Dowerin Road Board | - | Dowerin | Ford | D ● 125 | Dowerin Road Board | 1926-27 |
| Dowerin Road Board | - | Dowerin | Ford | D ● 125 | Dowerin Road Board | 1927-28 |
| Dowie | D. | Boyup Brook | Chevrolet | BU ● 59 | Upper Blackwood Road Board | 1925-26 |
| Dowie | D. | Scotts Brook | Chevrolet | BU ● 59 | Upper Blackwood Road Board | 1926-27 |
| Dowie | D. | Scott's Brook | Chevrolet | BU ● 59 | Upper Blackwood Road Board | 1927-28 |
| Dowie | J. | Dalwallinu | Buick | DL ● 100 | Dalwallinu Road Board | 1925-26 |
| Dowie | J. | Dalwallinu | Buick | DL ● 100 | Dalwallinu Road Board | 1926-27 |
| Dowie | J. E. | Dalwallinu | Ford | DL ● 13 | Dalwallinu Road Board | 1924-25 |
| Dowie | J. E. | Dalwallinu | Ford | DL ● 13 | Dalwallinu Road Board | 1925-26 |
| Dowie | J. E. | Dalwallinu | Ford | DL ● 13 | Dalwallinu Road Board | 1926-27 |
| Dowie | J. E. | Dalwallinu | Ford | DL ● 13 | Dalwallinu Road Board | 1927-28 |
| Dowie | J. M. | Wubin | Chevrolet | DL ● 136 | Dalwallinu Road Board | 1926-27 |
| Dowie | J. M. | Wubin | Studebaker | DL ● 27 | Dalwallinu Road Board | 1927-28 |
| Dowine | W. P. | Dowerin | Overland | D ● 97 | Dowerin Road Board | 1925-26 |
| Dowling | H. | Merredin | Rugby | MD ● 198 | Merredin Road Board | 1927-28 |
| Dowling | J. | Albany | Chevrolet | A 94 | Albany Municipality | 1927-28 |
| Dowling | N. | Horseshoe Hotel, Murray Street, Perth | Dodge | 3059 | Metro Hire or Trade | 1925-26 |
| Dowling | N. | Horseshoe Motel. Murray Street, Perth | Dodge | 3059 | Metro Hire or Trade | 1926-27 |
