| Oroya Links Gold Mine | - | Kalgoorlie | Sunbeam 16 H.P. | K 14 | Kalgoorlie Road Board | 1916 |
| Oroya Links Gold Mine | - | - | Ford 13 H.P. | K 37 | Kalgoorlie Road Board | 1916 |
| Oroya Links Gold Mine | - | Kalgoorlie | Sunbeam 16 H.P. | K ● 14 | Kalgoorlie Road Board | 1919 |
| Oroya Links Ltd | - | Fimiston | Oakland 20 H.P. | K ● 12 | Kalgoorlie Road Board | 1922-23 |
| Oroya Links Ltd | - | Fimiston | Sunbeam 15 H.P. | K ● 14 | Kalgoorlie Road Board | 1922-23 |
| Oroya Links Ltd | - | Fimiston | Okland 20 H.P. | K ● 12 | Kalgoorlie Road Board | 1923-24 |
| Oroya Links Ltd | - | Fimiston | Sunbeam | K ● 14 | Kalgoorlie Road Board | 1923-24 |
| Oroya Links Ltd | - | Fimiston | Oakland | K ● 12 | Kalgoorlie Road Board | 1924-25 |
| Oroya Links Ltd | - | Fimiston | Oakland | K ● 12 | Kalgoorlie Road Board | 1925-26 |
| Oroya Links Ltd | - | Fimiston | Oakland | K ● 12 | Kalgoorlie Road Board | 1926-27 |
| Oroya Links Ltd | - | Flmiston | Oakland | K ● 12 | Kalgoorlie Road Board | 1927-28 |
| Orphan's Home | - | Cottesloe | Dodge | 2745 | Metro Private Car | 1924-25 |
| Orr | C. B. | Obagama Station, Derby | Dodge | KW ● 2 | West Kimberley Road Board | 1926-27 |
| Orr | C. B. | Obagama Station, Derby | Dodge | KW ● 2 | West Kimberley Road Board | 1927-28 |
| Orr | G. E. | Rose Street, Cottesloe | Ford | 5527 | Metro Private Car | 1924-25 |
| Orr | G. E. | Rose Street, Cottesloe | Ford | 5527 | Metro Private Car | 1925-26 |
| Orr | G. E. | Croesus Street, Kalgoorlie | Ford | KMC 294 | Kalgoorlie Municipal Council | 1927-28 |
| Orr | G. E. E. | Croesus Street, Kalgoorlie | Ford | KMC 294 | Kalgoorlie Municipal Council | 1926-27 |
| Orr | H. | Dwellingup | Ford | MY ● 72 | Murray Road Board | 1923-24 |
| Orr | H. | Dwellingup | Ford | MY ● 72 | Murray Road Board | 1924-25 |
| Orr | H. | Burnside Avenue | Chevrolet | N 147 | Northam Municipality | 1925-26 |
| Orr | H. | Burnside Street | Chevrolet | N 147 | Northam Municipality | 1926-27 |
| Orr | H. | Burnside Avenue | Essex | N 147 | Northam Municipality | 1927-28 |
| Orr | H. M. | Dalwallinu | Rugby | DL ● 33 | Dalwallinu Road Board | 1927-28 |
| Orr | H. M. L. | Dalwallinu | Chevrolet | DL ● 114 | Dalwallinu Road Board | 1925-26 |
| Orr | H. M. L. | Dalwallinu | Chevrolet | DL ● 114 | Dalwallinu Road Board | 1926-27 |
| Orr | H. M. L. | Dalwallinu | Chevrolet | DL ● 114 | Dalwallinu Road Board | 1927-28 |
| Orr | H. V. | Burnside Avenue | Ford | N 12 | Northam Municipality | 1924-25 |
| Orr | R. | Arthur River | Ford 20 H.P. | WA ● 18 | West Arthur Road Board | 1917-18 |
| Orr | R. | Arthur River | Studebaker | AW ● 18 | West Arthur Road Board | 1925-26 |
| Orr | R. | Arthur River | Studebaker | AW ● 18 | West Arthur Road Board | 1926-27 |
| Orr | R. | Arthur River | Studebaker | AW ● 18 | West Arthur Road Board | 1927-28 |
| Orr | R. | Newdegate | Chevrolet | LG ● 75 | Lake Grace Road Board | 1927-28 |
| Orr | Rbt. | Arthur River | Studebaker | AW ● 18 | West Arthur Road Board | 1924-25 |
| Orr | Robert | Arthur River | Ford 20 H.P. | AW ● 18 | West Arthur Road Board | !922-23 |
| Orr | Robert | Arthur River | Studebaker | AW ● 18 | Arthur (West) Road Board | 1923-24 |
| Orr | T. E. | Watheroo | Indian 3½ H.P. Motorcycle | M ● 9 | Moora Road Board | 1922-23 |
| Orr | T. E. | Box A, 797, G.P.O., Perth | Dodge | 7340 | Metro Private Car | 1927-28 |
| Orr | W. | 48 Rupert Street | Motorcycle | S 108 | Subiaco Municipality | 1917-18 |
| Orr | W. | 48 Rupert Street | - | S 108 | Subiaco Municipality | 1919 |
| Orr | W. | 48 Rupert Street, Subiaco | Chevrolet | 5583 | Metro Private Car | 1924-25 |
| Orr | W. | 48 Rupert Street, Subiaco | Chevrolet | 8729 | Metro Private Car | 1925-26 |
| Orr | W. | 48 Rupert Street, Subiaco | Chevrolet | 8729 | Metro Private Car | 1926-27 |
| Orr | W. | 48 Rupert Street, Subiaco | Chevrolet | 8729 | Metro Private Car | 1927-28 |
| Orr | W. J. | 158 York Street | Car | S 33 | Subiaco Municipality | 1917-18 |
| Orr | W. J. | 158 York Street | - | S 33 | Subiaco Municipality | 1919 |
| Orr | W. J. | Reserve Street, Leederville | Ford | 976 | Metro Private Car | 1923-24 |
| Orr | W. J. | Kulikup | Overland | BU ● 9 | Upper Blackwood Road Board | 1924-25 |
| Orr | W. J. | Reserve Street, West Leederville | Ford | 5749 | Metro Private Car | 1924-25 |
| Orr | W. J. | - | Overland | W ● 145 | Wagin Road Board | 1926-27 |
