| Annetts | W. W. | Dalwallinu | Studebaker | DL ● 17 | Dalwallinu Road Board | 1926-27 |
| Annetts | W. W. | Dalwallinu | Studebaker | DL ● 17 | Dalwallinu Road Board | 1927-28 |
| Anning | C. T. | Bibra Lake | Ford Truck | 9782 | Metro Private Car | 1926-27 |
| Ansley | R. | Kean Street, Cottesloe | Overland | 1894 | Metro Private Car | 1922-23 |
| Ansley | R. | cr. Keane Street & Perth-Fremantle Rd. | Overland | 1894 | Metro Private Car | 1924-25 |
| Ansley | R. | cr. Keane Street. & Perth-Fremantle Rd. | Overland | 1894 | Metro Private Car | 1924-25 |
| Ansley | Richard | cr. Keane Street, and Perth and Fremantle, Cottesloe | Overland | 1894 | Metro Private Car | 1923-24 |
| Anthony | - | Kojonup | Studebaker | KO ● 77 | Kojonup Road Board | 1924-25 |
| Anthony | J. W. | Kojonup | Studebaker | KO ● 77 | Kojonup Road Board | 1925-26 |
| Anthony | J. W. | Kojonup | Studebaker | KO ● 77 | Kojonup Road Board | 1926-27 |
| Anthony | J. W. | Kojonup | Studebaker | KO ● 77 | Kojonup Road Board | 1927-28 |
| Antonio | C. J. | Katanning | Studebaker | KA ● 4 | Katanning Road Board | 1922-23 |
| Antonio | C. J. | Katanning | Studebaker | KA ● 4 | Katanning Road Board | 1923-24 |
| Antonio | C. J. | Katanning | Studebaker | KA ● 4 | Katanning Road Board | 1925-26 |
| Antonio | C. J. | Katanning | Studebaker | KA ● 4 | Katanning Road Board | 1926-27 |
| Antonio | C. J. | Katanning | Studebaker | KA ● 4 | Katanning Road Board | 1927-28 |
| Antonio | T. J. | Southern Brook | Studebaker | N ● 15 | Northam Road Board | 1922-23 |
| Antonio | T. J. | Southern Brook | Studebaker | N ● 15 | Northam Road Board | 1923-24 |
| Antonio | T. J. | South Brook | Studebaker | N ● 15 | Northam Road Board | 1924-25 |
| Antonio | T. J. | Southern Brook | Studebaker | N ● 15 | Northam Road Board | 1925-26 |
| Antonio | T. J. | - | Studebaker | N ● 15 | Northam Road Board | 1927-28 |
| Appleton | - | Warrenup | Studebaker 20 H.P. | ARB ● 3 | Albany Road Board | 1917-18 |
| Appleton | E. C. | Albany | Studebaker 20 H.P. | A 89 | Albany Municipality | 1916 |
| Arber | G. | Mount Barker | Ford | PL ● 88 | Plantagenet Road Board | 1925-26 |
| Arber | G. | Mount Barker | Ford | PL ● 88 | Plantagenet Road Board | 1926-27 |
| Arber | G. | Mount Barker | Ford | PL ● 88 | Plantagenet Road Board | 1927-28 |
| Arber | G. C. | Mount Barker | Ford | PL ● 88 | Plantagenet Road Board | 1923-24 |
| Arber | Georges. | Mount Barker | Ford | PL ● 88 | Plantagenet Road Board | 1924-25 |
| Arbon | J. | 13 Kennedy Street, Maylands | Chevrolet | 2304 | Metro Private Car | 1924-25 |
| Arbon | J. | 13 Kennedy Street, Maylands | Chevrolet | 2304 | Metro Private Car | 1925-26 |
| Arbon | John | 13 Kennedy Street, Maylands | Indian & Sidecar | 1118 | Metro Motorcycle | 1922-23 |
| Archer | A. | Kwobrup | Ford | KT ● 12 | Kent Road Board | 1925-26 |
| Archer | H. D. | Kwobrup | Ford | KT ● 12 | Kent Road Board | 1924-25 |
| Arcus | T. | Kukerin | Ford | DU ● 161 | Dumbleyung Road Board | 1927-28 |
| Arcus | W. S. | 55 Shakespeare Street, Mount Hawthorn | Ford | 5929 | Metro Private Car | 1924-25 |
| Arcus | W. S. | 55 Shakespeare Street, Mount Hawthorn | Ford | 5929 | Metro Private Car | 1925-26 |
| Arkell | P. J. | Miling | Chevrolet | DL ● 53 | Dalwallinu Road Board | 1924-25 |
| Arkell | P. J. | Miling | Studebaker | DL ● 104 | Dalwallinu Road Board | 1925-26 |
| Arkell | P. J. | Miling | Studebaker | DL ● 104 | Dalwallinu Road Board | 1926-27 |
| Arkell | P. J. | Miling | Studebaker | DL ● 104 | Dalwallinu Road Board | 1927-28 |
| Arkle | Dr J Vere | 688 Beaufort Street, Perth | Studebaker | 4309 | Metro Private Car | 1927-28 |
| Arkle | Dr J. | 680 Beaufort Street, Perth | Studebaker | 4309 | Metro Private Car | 1926-27 |
| Arkle | Dr. J. Vere | Dugan Street | Studebaker 20 H.P. | KMC 2 | Kalgoorlie Municipality | 1919 |
| Arkle | Dr. J. Vere. | Dugan Street | Studebaker 15 H.P. | KMC 2 | Kalgoorlie Municipality | 1916 |
| Armadale Kelmscott Roads Board | - | - | Chevrolet Wagon | 5777 | Metro Private Car | 1924-25 |
| Armadale-Kelmscott Road | - | Armadale | Ford Wagon | 13193 | Metro Private Car | 1926-27 |
| Armadale-KelmScott Road Board | - | - | Chevrolet Wagon | 5777 | Metro Private Car | 1925-26 |
| Armadale-Kelmscott Road Board | - | Armadale | Bean Truck | 13648 | Metro Private Car | 1926-27 |
| Armadale-Kelmscott Road Board | - | Armadale | Thornycroft | 13649 | Metro Private Car | 1926-27 |
| Armadale-Kelmscott Road Board | - | - | Chevrolet Wagon | 5777 | Metro Private Car | 1926-27 |
