| Douglas | . | 2 Marion Street, Leederville | Austin | 1380 | Metro Private Car | 1925-26 |
| Douglas | A. | 66 Carnac Street, Fremantle | Ford | 4036 | Metro Private Car | 1927-28 |
| Douglas | A. W. | Woodanilling | Overland | WO ● 37 | Woodanilling Road Board | 1924-25 |
| Douglas | A. W. | Woodanilling | Overland | WO ● 37 | Woodanilling Road Board | 1925-26 |
| Douglas | A. W. | Woodanilling | Overland | WO ● 37 | Woodanilling Road Board | 1926-27 |
| Douglas | A. W. | Woodanilling | Ford | WO ● 36 | Woodanilling Road Board | 1927-28 |
| Douglas | C. F. | 28 Station, Road, East Fremantle | Morris-Cowley | 11490 | Metro Private Car | 1926-27 |
| Douglas | C. F. | 28 Station, Road, East Fremantle | Morris Cowley | 11492 | Metro Private Car | 1927-28 |
| Douglas | C. F. | 28 Station, Road, East Fremantle | Morris Cowley | 11492 | Metro Private Car | 1927-28 |
| Douglas | D. O. | 19 Palmerston Street, Perth | Ford Wagon | 10127 | Metro Hire or Trade | 1927-28 |
| Douglas | Ellen Mrs | 2 Marion Street, Leederville | Dodge | 1380 | Metro Private Car | 1923-24 |
| Douglas | F. A. L. | Woodanilling | Ford | WO ● 14 | Woodanilling Road Board | 1919 |
| Douglas | F. A. L. | Woodanilling | Ford 19 H.P. | WO ● 14 | Woodanilling Road Board | 1922-23 |
| Douglas | F. A. L. | Woodanilling | Ford 19 H.P. | WO ● 14 | Woodanilling Road Board | 1923-24 |
| Douglas | F. A. L. | Woodanilling | Overland | WO ● 14 | Woodanilling Road Board | 1924-25 |
| Douglas | F. A. L. | Woodanilling | Overland | WO ● 14 | Woodanilling Road Board | 1925-26 |
| Douglas | F. A. L. | Woodanilling | Oakland | WO ● 14 | Woodanilling Road Board | 1926-27 |
| Douglas | F. A. L. | Woodanilling | Oakland | WO ● 14 | Woodanilling Road Board | 1927-28 |
| Douglas | G. | 13 Archer Street, West Midland | Overland | 12014 | Metro Private Car | 1926-27 |
| Douglas | G. | 13 Archer Street, West Midland | Overland | 12014 | Metro Private Car | 1927-28 |
| Douglas | Hannah M. | Railway Street, Queens Park | Ford | 12706 | Metro Private Car | 1927-28 |
| Douglas | Hy. | Woodanilling | Rugby | WO ● 55 | Woodanilling Road Board | 1925-26 |
| Douglas | HY. | Woodanilling | Rugby | WO ● 55 | Woodanilling Road Board | 1926-27 |
| Douglas | Hy. | Woodanilling | Rugby | WO ● 55 | Woodanilling Road Board | 1927-28 |
| Douglas | K. | Highway Nedlands | Dodge | 10000 | Metro Private Car | 1926-27 |
| Douglas | K. | Highway Nedlands | Dodge | 10000 | Metro Private Car | 1927-28 |
| Douglas | Kenneth E. | 2 Marion Street, Leederville | Austin | 1380 | Metro Private Car | 1924-25 |
| Douglas | M. H. J | Woodanilling | Ford | WO ● 42 | Woodanilling Road Board | 1927-28 |
| Douglas | M. H. J. | Woodanilling | Ford | WO ● 42 | Woodanilling Road Board | 1926-27 |
| Douglas | Mrs N. | Highway Nedlands | Austin | 1380 | Metro Private Car | 1926-27 |
| Douglas | Mrs N. | 2 Marian Street, Leederville | Austin | 1380 | Metro Private Car | 1927-28 |
| Douglas | Mrs S. J | Perth Road, Guildford | Overland | 4941 | Metro Private Car | 1927-28 |
| Douglas | Mrs S. J. | Guildford Road, South, Guildford | Overland | 4941 | Metro Private Car | 1924-25 |
| Douglas | Mrs S. J. | Perth Road, Guildford | Overland | 4941 | Metro Private Car | 1925-26 |
| Douglas | Mrs S. J. | Perth Road, Guildford | Overland | 4941 | Metro Private Car | 1926-27 |
| Douglas | P. | Buntine | Overland | DL ● 113 | Dalwallinu Road Board | 1926-27 |
| Douglas | P. | Buntine | Overland | DL ● 113 | Dalwallinu Road Board | 1927-28 |
| Douglas | Percy M. | 117 Bourke Street, Leederville | Chevrolet | 2676 | Metro Private Car | 1927-28 |
| Douglas | R. | 12 Park Street | Ford | K ● 28 | Kalgoorlie Road Board | 1924-25 |
| Douglas | R. | Park Street, Kalgoorlie | Ford | K ● 28 | Kalgoorlie Road Board | 1925-26 |
| Douglas | R. | Park Street, Kalgoorlie | Ford | K ● 28 | Kalgoorlie Road Board | 1926-27 |
| Douglas | R. | Park Street, Kalgoorlie | Ford | K ● 28 | Kalgoorlie Road Board | 1927-28 |
| Douglas | S. | C/o Mr. Davidson Weld Chrs. Perth | Oakland | 4746 | Metro Private Car | 1927-28 |
| Douglas | T. | Katanning | Ford | KA ● 24 | Katanning Road Board | 1917-18 |
| Douglas | T. | Katanning | Ford | KA 24 | Katanning Road Board | 1919 |
| Douglas | W. P. | Kalgan | Chevrolet Truck | A ● 64 | Albany Road Board | 1927-28 |
| Douglas & Murley | - | Kulin | Dodge | KU ● 3 | Kulin Road Board | 1926-27 |
| Douglas & Murley | - | Kulin | Dodge | KU ● 3 | Kulin Road Board | 1927-28 |
| Douglas Jones & Co | | James Street, Guildford | Ford | 4778 | Metro Private Car | 1924-25 |
| Douglas Jones and Co | - | James Street, Guildford | Ford | 4778 | Metro Private Car | 1923-24 |
