| Ridley | G. W. | 38 Fourth Avenue, Mount Lawley | Singer | 12767 | Metro Private Car | 1927-28 |
| Ridley | J. H. | Manjimup | Ford Truck | WA ● 89 | Manjimup Road Board | 1925-26 |
| Ridley | J. H. | Manjimup | Ford Truck | WA ● 89 | Manjimup Road Board | 1926-27 |
| Ridley | J. H. | Manjimup | Ford Truck | WA ● 89 | Manjimup Road Board | 1927-28 |
| Ridley | Miss M. | 38 Fourth Avenue, Maylands | Citroen | 12678 | Metro Private Car | 1927-28 |
| Ridley | P. H. | Kununoppin | Ford Truck | KTY ● 103 | Kununoppin-Trayning Road Board | 1927-28 |
| Ridley | T. H. | Kununoppin | Ford Truck | KTY ● 103 | Kununoppin-Trayning Road Board | 1925-26 |
| Ridley | T. H. | Kununoppin | Ford Truck | KTY ● 103 | Kununoppin-Trayning Road Board | 1926-27 |
| Ridley | W. | Wickepin | Ford Truck | WK ● 214 | Wickepin Road Board | 1927-28 |
| Ridley | W. N. | Manjimup | Overland | WA ● 110 | Manjimup Road Board | 1925-26 |
| Ridley | W. N. | Manjimup | Overland | WA ● 110 | Manjimup Road Board | 1926-27 |
| Ridley & Quinliven | - | 8 Gloster Street, Subiaco | Chevrolet | 2672 | Metro Private Car | 1927-28 |
| Ried | J. | Greenhills | Ford | Y ● 32 | York Road Board | 1922-23 |
| Ried | J. | Greenhills | Dodge | Y ● 32 | York Road Board | 1923-24 |
| Ried | John | Leonora | - | LM 8 | Leonora Municipality | 1916 |
| Rieger | F. | 70 King Street, Perth | Dodge | 10289 | Metro Hire or Trade | 1926-27 |
| Rielly | Miss C. V. | Kojonup | Rugby | KO ● 172 | Kojonup Road Board | 1927-28 |
| Rigby | C. G. | Jarrahdale | Rugby | SJ ● 2 | Serpentine-Jarrahdale Road Board | 1927-28 |
| Rigby | D. R. | Margaret River | Buick | AU ● 54 | Augusta Road Board | 1926-27 |
| Rigby | D. R. | Margaret River | Chevrolet | AU ● 54 | Augusta Road Board | 1927-28 |
| Rigby | Dr W. H. | Forrest Street, Collie | Buick 20 H.P. | CM 6 | Collie Municipality | 1917-18 |
| Rigby | Dr W. H. | Margaret River | Dodge | AU ● 5 | Augusta Road Board | 1924-25 |
| Rigby | Dr W. H. | Margaret River | Dodge | AU ● 5 | Augusta Road Board | 1925-26 |
| Rigby | Dr W. H. | Margaret River | Dodge | AU ● 5 | Augusta Road Board | 1926-27 |
| Rigby | Dr W. H. | Margaret River | Dodge | AU ● 5 | Augusta Road Board | 1927-28 |
| Rigby | Dr. W. H. | Forrest Street, Collie | Buick 20 H.P. | CMC 6 | Collie Municipality | 1915 |
| Rigby | Dr. W. H. | Forrest Street, Collie | Buick 20 H.P. | CM 6 | Collie Municipality | 1916 |
| Rigby | Dr. W. H. | Forrest Street, Collie | Buick 20 H.P. | CM 6 | Collie Municipality | 1919 |
| Rigby | Ed | 344 Hay Street | Car | S 128 | Subiaco Municipality | 1917-18 |
| Rigby | Ed. | 344 Hay Street | - | S 128 | Subiaco Municipality | 1919 |
| Rigby | J. | 23 Waterloo Crescent, East Perth | Ford | 4778 | Metro Private Car | 1925-26 |
| Rigby | J. | 23 WaterlooCrescent, East Perth | Ford | 4778 | Metro Private Car | 1926-27 |
| Rigby | J. | 23 Waterloo Crescent, East Perth | Ford | 4778 | Metro Private Car | 1927-28 |
| Rigby | W. H. | 674 Beaufort Street, Perth | Buick | 1114 | Metro Private Car | 1922-23 |
| Rigby | W. H. | 674 Beaufort Street, Perth | Buick | 1114 | Metro Private Car | 1923-24 |
| Rigg | C. H. | Albany | Ford | A ● 15 | Albany Road Board | 1924-25 |
| Rigg | C. H. | Albany | Ford | A ● 15 | Albany Road Board | 1925-26 |
| Rigg | C. H. | 21 Hovea Terrace, South Perth | Chevrolet | 4355 | Metro Private Car | 1927-28 |
| Rigg | E. A. | Applecross | Hup. R. | 74 | Metro Private Car | 1922-23 |
| Rigg | E. A. | Applecross | Hupmobile | 74 | Metro Private Car | 1923-24 |
| Rigg | E. A. | Applecross | Hupmobile | 74 | Metro Private Car | 1926-27 |
| Rigg | Irene | Wandering | Ford 20 H.P. | WD ● 4 | Wandering Road Board | 1917-18 |
| Rigg | Irene | Dwarda | Ford 20 H.P. | WD ● 4 | Wandering Road Board | 1922-23 |
| Rigg | Irene | Dwarda | Ford 20 H.P. | WD ● 4 | Wandering Road Board | 1923-24 |
| Rigg | Irene | Dwarda | Ford | WD ● 4 | Wandering Road Board | 1924-25 |
| Rigg | Irene | Dwarda | Ford | WD ● 4 | Wandering Road Board | 1925-26 |
| Rigg | Irene | Dward | Nash | WD ● 4 | Wandering Road Board | 1926-27 |
| Rigg John & Son | - | Williams | Ford 15 H.P. | WL 11 | Williams Road Board | 1916 |
| Riggs | H. P. | Katanning | Ford Utility | KA ● 323 | Katanning Road Board | 1927-28 |
| Righton Bros | - | 124 Loftus Street, Leederville | Republic | 10068 | Metro Hire or Trade | 1926-27 |
