| Dawson | R. | Lake Grace | Oakland | LG ● 4 | Lake Grace Road Board | 1926-27 |
| Dawson | R. C. | Upper Blackwood | Ford | AW ● 35 | West Arthur Road Board | 1926-27 |
| Dawson | R. C. | Upper Blackwood | Ford | AW ● 35 | West Arthur Road Board | 1927-28 |
| Dawson | R. D. | Lake Grace | Ford | DU ● 31 | Dumbleyung Road Board | 1922-23 |
| Dawson | R. D. | Lake Grace | Ford | DU ● 31 | Dumbleyung Road Board | 1923-24 |
| Dawson | R. D. | Lake Grace | Dodge | DU ● 49 | Dumbleyung Road Board | 1923-24 |
| Dawson | R. D. | Lake Grace | Dodge Truck | LG ● 14 | Lake Grace Road Board | 1925-26 |
| Dawson | R. D. | Lake Grace | Dodge Truck | LG ● 14 | Lake Grace Road Board | 1926-27 |
| Dawson | R. D. | Lake Grace | Reo Truck | LG ● 87 | Lake Grace Road Board | 1927-28 |
| Dawson | R. W. | Maida Vale | Fiat | DR ● 110 | Darling Range Road Board | 1927-28 |
| Dawson | R. W. | Maida Vale | Standard | DR ● 138 | Darling Range Road Board | 1927-28 |
| Dawson | Robert | Lake Grace | Dodge | LG ● 4 | Lake Grace Road Board | 1923-24 |
| Dawson | S. B. | 15 Second Avenue, Mount Lawley | Morris-Cowley | 13596 | Metro Private Car | 1926-27 |
| Dawson | S. B. | 146 Seventh Avenue, Inglewood | Morris Cowley | 13596 | Metro Private Car | 1927-28 |
| Dawson | W. | Katanning | F.N. 2½ H.P. Motorcycle | KRB 18 | Katanning Road Board | 1915 |
| Dawson | W. | Katanning | Triumph | KA 18 | Katanning Road Board | 1916 |
| Dawson | W. | Katanning | Triumph Motorcycle | KA ● 18 | Katanning Road Board | 1917-18 |
| Dawson | W. | Katanning | Triumph | KA 18 | Katanning Road Board | 1919 |
| Dawson | W. | Muja | Buick | CO ● 28 | Collie Road Board | 1924-25 |
| Dawson | W. | Muja | Buick | CO ● 28 | Collie Road Board | 1925-26 |
| Dawson | W. | Nannup | Chevrolet | BL ● 37 | Nannup Road Board | 1926-27 |
| Dawson | W. A. S. | Ballidu | Ford Truck | WB ● 233 | Wongan-Ballidu Road Board | 1927-28 |
| Dawson | W. H. | Claremont Hotel, Claremont | Diamond J.A.P | 106 | Metro Motorcycle | 1922-23 |
| Dawson & Barrett | - | Lake Grace | Dodge Truck | LG ● 14 | Lake Grace Road Board | 1924-25 |
| Dawson & Barrett | - | - | Chevrolet Truck | LG ● 44 | Lake Grace Road Board | 1924-25 |
| Dawson & Co | H. T. | 768 Beaufort Street, Mount Lawley | Ford Wagon | 2279 | Metro Private Car | 1927-28 |
| Dawson Bros | - | Dumbleyung | Overland 30 H.P. | DU ● 17 | Dumbleyung Road Board | 1922-23 |
| Dawson Bros | - | Dumbleyung | Overland 25 H.P. | DU ● 28 | Dumbleyung Road Board | 1922-23 |
| Dawson Bros | - | Dumbleyung | Buick | DU ● 17 | Dumbleyung Road Board | 1924-25 |
| Dawson Bros | - | Dumbleyung | Overland | DU ● 28 | Dumbleyung Road Board | 1924-25 |
| Dawson Bros | - | Dumbleyung | Buick | DU ● 31 | Dumbleyung Road Board | 1924-25 |
| Dawson Bros | - | Dumbleyung | Ford Truck | DU ● 25 | Dumbleyung Road Board | 1925-26 |
| Dawson Bros | - | Dumbleyung | Buick | DU ● 109 | Dumbleyung Road Board | 1925-26 |
| Dawson Bros | - | Dumbleyung | Ford Truck | DU ● 25 | Dumbleyung Road Board | 1926-27 |
| Dawson Bros | - | Dumbleyung | Buick | DU ● 109 | Dumbleyung Road Board | 1926-27 |
| Dawson Bros | - | Dumbleyung | Ford | DU ● 7 | Dumbleyung Road Board | 1927-28 |
| Dawson Bros | - | Dumbleyung | Buick | DU ● 109 | Dumbleyung Road Board | 1927-28 |
| Dawson Bros. | - | Dumbleyung | Overland 30 H.P. | DU ● 17 | Dumbleyung Road Board | 1923-24 |
| Dawson Bros. | - | Dumbleyung | Overland 25 H.P. | DU ● 28 | Dumbleyung Road Board | 1923-24 |
| Day | A. | Baden Street, Osborne Park | Ford | P ● 125 | Perth Road Board | 1924-25 |
| Day | A. J. | Katanning | Rudge 3½ H.P. Motorcycle | KRB 6 | Katanning Road Board | 1915 |
| Day | A. J. | Katanning | Rudge Motorcycle | KA ● 17 | Katanning Road Board | 1917-18 |
| Day | A. J. | Katanning | Rudge | KA 17 | Katanning Road Board | 1919 |
| Day | A. J. | Katanning | Durant | KA ● 33 | Katanning Road Board | 1922-23 |
| Day | A. J. | Moorjebing | Ford 19 H.P. | KA ● 53 | Katanning Road Board | 1922-23 |
| Day | A. J. | Katanning | Durant | KA ● 33 | Katanning Road Board | 1923-24 |
| Day | A. J. | Moojebing | Ford 19 H.P. | KA ● 53 | Katanning Road Board | 1923-24 |
| Day | A. J. | Katanning | Durant | KA ● 33 | Katanning Road Board | 1924-25 |
| Day | A. J. | Moojebing | Durant | KA ● 33 | Katanning Road Board | 1925-26 |
| Day | A. J. | Moojibing | Durant | KA ● 33 | Katanning Road Board | 1926-27 |
