| Ochiltree | E. M. | 7 Elliott Road, Claremont | Australian "6" | 3277 | Metro Vehicle for Hire | 1922-23 |
| Ockerby | T. | Forrest Street | - | Ce 18 | Cottesloe Municipality | 1915 |
| Ockerby | T. | Forrest Street | - | Ce 37 | Cottesloe Municipality | 1915 |
| Ockerby | T. | Kellerberrin | Overland 25 H.P. | KE ● 25 | Kellerberrin Road Board | 1917-18 |
| Ockerby | T. | McNeil Street, Peppermint Grove | Overland 18 H.P. | PG 28 | Peppermint Grove Road Board | 1919 |
| Ockerby | Thomas | McNeil Street, Peppermint Grove | Buick 18 H.P. | PG 6 | Peppermint Grove Road Board | 1919 |
| Ockerby | W. F. | Kellerberrin | Overland 25 H.P. | KE 19 | Kellerberrin Road Board | 1919 |
| Ockerby & Co | - | Cottesloe | Studebaker 25 H.P. | Ce ● 18 | Cuballing Road Board | 1917-18 |
| Ockerby & Co | - | Cottesloe | L.G.O Co Lorry 40 H.P. | Ce ● 28 | Cuballing Road Board | 1917-18 |
| Ockerby & Co | - | Forrest Street | Cadillac 32 H.P. | Ce ● 33 | Cuballing Road Board | 1917-18 |
| Ockerby & Co | - | Cottesloe | Studebaker 25 H.P. | Ce 18 | Municipality of Cottesloe | 1919 |
| Ockerby & Co | - | Cottesloe | L.G.O. Co. Lorry 40 H.P. | Ce 28 | Municipality of Cottesloe | 1919 |
| Ockerby & Co | - | Forrest Street | Cadillac 32 H.P. | Ce 33 | Municipality of Cottesloe | 1919 |
| Ockerby & Co | - | Horgan Street | Garford Lorry 40 H.P. | CB ● 18 | Cottesloe Beach Road Board | 1919 |
| Ockerby & Co Ltd | - | Railway Street | (lorry) | Ce 28 | Cottesloe Municipality | 1915 |
| Ockerby & Co Ltd | - | Perth, Cottesloe | Studebaker 35 H.P. | Ce 18 | Cottesloe Municipality | 1916 |
| Ockerby & Co Ltd | - | Perth | Daimler Lorry 40 H.P. | Ce 28 | Cottesloe Municipality | 1916 |
| Ockerby & Co Ltd | - | Perth | Ford 15 H.P. | Ce 29 | Cottesloe Municipality | 1916 |
| Ockerby & Co Ltd | - | A.M.P. Chambers | Ford 14 H.P. | P 587 | Perth Municipality | 1916 |
| Ockerby Bros | - | 23 Henry Street, Fremantle | Overland | 2226 | Metro Private Car | 1922-23 |
| Ockerby Bros | - | 23 Henry Street, Fremantle | Overland | 2227 | Metro Private Car | 1922-23 |
| Odderley | J. H. | Albany | Ford | A 49 | Albany Municipality | 1927-28 |
| Oearse | F. L. | Hamilton Street, East Fremantle | Singer | 8999 | Metro Private Car | 1927-28 |
| Oehm | Mrs M. | Katanning | Willys-Knight | KA ● 246 | Katanning Road Board | 1926-27 |
| Oehms | Mrs H. | Katanning | Willys-Knight | KA ● 246 | Katanning Road Board | 1927-28 |
| Offer | C. | Benger | Ford | H ● 83 | Harvey Road Board | 1924-25 |
| Offer | C. | Benger | Ford | H ● 83 | Harvey Road Board | 1925-26 |
| Offer | C. | Benger | Ford | H ● 83 | Harvey Road Board | 1926-27 |
| Offer | C. | Benger | Ford | H ● 83 | Harvey Road Board | 1927-28 |
| Offer | F J. | Armadale | Ford | 8988 | Metro Private Car | 1926-27 |
| Offer | T. | Cookernup | Ford | H ● 87 | Harvey Road Board | 1924-25 |
| Offer | T. | Cookernup | Ford | H ● 87 | Harvey Road Board | 1925-26 |
| Offer | T. | Cookernup | Ford | H ● 87 | Harvey Road Board | 1926-27 |
| Offer | T. | Cookernup | Ford | H ● 87 | Harvey Road Board | 1927-28 |
| Offer | Thomas | Benger | Ford | H ● 14 | Harvey Road Board | 1923-24 |
| Officer | Dr A. E. | King's Park Road, West Perth | Wolseley | 935 | Metro Private Car | 1926-27 |
| Officer | Dr A. E. | 32 King's Park Road | Singer | 13 | Metro Private Car | 1922-23 |
| Officer | Dr A. E. | King's Park Road, West Perth | Wolseley | 935 | Metro Private Car | 1924-25 |
| Officer | Dr A. E. | Kings Park Road, West Perth | Wolseley | 935 | Metro Private Car | 1925-26 |
| Officer | Dr E. | 32 Kings Park Road, Perth | Dodge | 189 | Metro Private Car | 1926-27 |
| Officer | Dr E. A. | 32 King's Park Road, Perth | Dodge | 455 | Metro Private Car | 1922-23 |
| Officer | Dr E. A. | 22 King's Park Road, Perth | Dodge | 455 | Metro Private Car | 1924-25 |
| Officer | Dr E. A. | 22 King's Park Road, Perth | Dodge | 455 | Metro Private Car | 1925-26 |
| Officer | Dr Ed | 32 Kings Park Road, Perth | Dodge | 189 | Metro Private Car | 1926-27 |
| Officer | Dr Ed. A. | 32 King's Park Road, Perth | Dodge | 189 | Metro Private Car | 1922-23 |
| Officer | Dr. | King's Park Road | Singer 16 H.P. | P 13 | Perth Municipality | 1915 |
| Officer | Dr. | King's Park Road | Ford 20 H.P. | P 189 | Perth Municipality | 1915 |
| Officer | Dr. | 38 King's Park Road | Ford 20 H.P. | P 189 | Perth Municipality | 1916 |
| Officer | Dr. | King's Park Road | Dodge 24 H.P. | P 455 | Perth Municipality | 1916 |
| Officer | Dr. E. | King's Park Road | Singer 12-18 H.P. | P 13 | Perth Municipality | 1916 |
