| Ridgway | C. | Beverley | Overland | BE ● 44 | Beverley Road Board | 1923-24 |
| Ridgway | C. C. | Beverley | Overland | BE ● 44 | Beverley Road Board | 1924-25 |
| Ridgway | C. T. | - | Buick | BE ● 48 | Beverley Road Board | 1927-28 |
| Ridgway | G. | Beria | Chenard-Walcker 20 H.P. | MG 2 | Mount Margaret Road Board | 1919 |
| Ridgway | J. E. | Moss Street, East Fremantle | Essex | 12232 | Metro Private Car | 1926-27 |
| Ridgway | J. E. | Moss Street, East Fremantle | Essex | 12232 | Metro Private Car | 1927-28 |
| Ridgway | J. R. | - | Overland | BE ● 11 | Beverley Road Board | 1927-28 |
| Ridgway | T. T. | Mount Kokeby | Overland 25 H.P. | BE ● 11 | Beverley Road Board | 1917-18 |
| Ridgway | T. T. | Mount Kokeby | Overland 25 H.P. | BE ● 11 | Beverley Road Board | 1919 |
| Ridgway | T. T. | Mount Kokeby | Overland 25 H.P. | BE ● 11 | Beverley Road Board | 1922-23 |
| Ridgway | T. T. | Mount Kokeby | Overland 25 H.P. | BE ● 11 | Beverley Road Board | 1923-24 |
| Ridgway | T. T. | Mount Kokeby | Overland | BE ● 11 | Beverley Road Board | 1924-25 |
| Ridgway & Son | T. T. | - | Chevrolet Truck | BE ● 44 | Beverley Road Board | 1927-28 |
| Riding | John R. | Belmont | Chevrolet | 351 | Metro Private Car | 1923-24 |
| Riding | P. W. | Bunbury | Ford | By 36 | Bunbury Municipality | 1922-23 |
| Riding | P. W. | Bunbury | Chevrolet | BY 36 | Bunbury Municipality | 1923 - 1924 |
| Riding | P. W. | Bunbury | Chevrolet | By 36 | Bunbury Municipality | 1924-25 |
| Riding | P. W. | Corrigin | Chevrolet | CR ● 164 | Corrigin Road Board | 1925-26 |
| Riding | P. W. | Corrigin | Chevrolet | CR ● 164 | Corrigin Road Board | 1926-27 |
| Riding | P. W. | Corrigin | Buick | CR ● 317 | Corrigin Road Board | 1927-28 |
| Ridings | H. | Pingelly | Overland | PN ● 60 | Pingelly Road Board | 1924-25 |
| Ridley | B. W. | 48 Fourth Avenue, Maylands | Ford | 7245 | Metro Private Car | 1925-26 |
| Ridley | B. W. | Carnamah | Ford Truck | CA ● 142 | Carnamah Road Board | 1926-27 |
| Ridley | B. W. | 38 Fourth Avenue, Mount Lawley | Ford Wagon | 14524 | Metro Private Car | 1927-28 |
| Ridley | B. W. | Carnamah | Ford Truck | CA ● 142 | Carnamah Road Board | 1927-28 |
| Ridley | C. E. | Katanning | Rugby | KA ● 248 | Katanning Road Board | 1927-28 |
| Ridley | E. V. | - | Chevrolet | NR ● 16 | Northampton Road Board | 1926-27 |
| Ridley | G. | 38 Fourth Avenue, Mount Lawley | Dodge | 13349 | Metro Private Car | 1926-27 |
| 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 |
