| Connop & Son | C.E. | Albany Road, Victoria Park | Ford Wagon | 5602 | Metro Private Car | 1927-28 |
| Connop & Sons | C. E. | Albany & Gresham Road, Victoria Park | Ford Dagon | 5602 | Metro Private Car | 1925-26 |
| Connop & Sons | C. E. | Albany & Gresham Road, Vic. Park | Ford Dagon | 5602 | Metro Private Car | 1926-27 |
| Connor | B. M. | Toodyay | Precision 3¾ H.P. Motorcycle | T ● 3 | Toodyay Road Board | 1917-18 |
| Connor | B. M. | Savoy Hotel | Oakland 18 H.P. | P 214 | Perth Municipality | 1917-18 |
| Connor | B. M. | Toodyay | Precision 3¾ H.P. | T ● 3 | Toodyay Road Board | 1919 |
| Connor | B. M. | Toodyay | Buick | T ● 114 | Toodyay Road Board | 1926-27 |
| Connor | B. M. | Toodyay | Ford Truck | T ● 171 | Toodyay Road Board | 1927-28 |
| Connor | Estelle | 707 Beaufort Street, Mount Lawley | Dodge | 97 | Metro Private Car | 1922-23 |
| Connor | J. S. | 15 Lyall Street, South Perth | Buick | 5937 | Metro Private Car | 1924-25 |
| Connor | Loftus | Mount Lawley | Overland 30 H.P. | ML 6 | Perth Road Board | 1915 |
| Connor | Miss E. | 707 Beaufort Street, Mount Lawley | Dodge | 97 | Metro Private Car | 1923-24 |
| Connor | Miss E. | 21 Alvan Street, Mount Lawley | Dodge | 97 | Metro Private Car | 1926-27 |
| Connor | Miss E. | 28 Alvan Street, Mount Lawley | Dodge | 97 | Metro Private Car | 1926-27 |
| Connor | Mrs B | Everett Street, Nedlands | Chevrolet | 8002 | Metro Private Car | 1927-28 |
| Connor | Mrs B. | Everett Street, Nedlands | Chevrolet | 8002 | Metro Private Car | 1926-27 |
| Connor | Mrs F. | Benger | Dodge | H ● 39 | Harvey Road Board | 1925-26 |
| Connor | Mrs F. | Benger | Dodge | H ● 39 | Harvey Road Board | 1926-27 |
| Connor | S. B. | Chidlow Street | Studebaker | N 32 | Northam Municipality | 1922-23 |
| Connor | S. B. | Chidlow Street | Studebaker | N 32 | Northam Municipality | 1923-24 |
| Connor | S. B. | Chidlow Street | Studebaker | N 32 | Northam Municipality | 1924-25 |
| Connor | S. B. | Fitzgerald Street | Studebaker | N 32 | Northam Municipality | 1925-26 |
| Connor | S. B. | 21 Rheola Street, West Perth | Studebaker | 335 | Metro Private Car | 1926-27 |
| Connor | S. B. | Fitzgerald Street | Studebaker | N 32 | Northam Municipality | 1926-27 |
| Connor | S. B. | 21 Rheoia Street, West Perth | Studebaker | 335 | Metro Private Car | 1927-28 |
| Connor Doherty & Durack | - | Eulinna Station, Kurnalpi | Ford | K ● 45 | Kalgoorlie Road Board | 1925-26 |
| Connor Doherty & Durack Ltd | - | Wagin | Ford | W ● 26 | Wagin Road Board | 1923-24 |
| Connor Doherty & Durack Ltd | - | Benh Ord Wagin | Overland | W ● 26 | Wagin Road Board | 1924-25 |
| Conochie | D. M. | Malyalling | Harrison 3½ H.P. Motorcycle | WK ● 2 | Wickepin Road Board | 1917-18 |
| Conochie | D. M. | Pingelly | Harrison 3¾ H.P. | PN ● 6 | Pingelly Road Board | 1919 |
| Conochie | D. M. | Kunnunoppin | Overland | NG ● 32 | Ninghan Road Board | 1923-24 |
| Conochie | D. M. | Kununoppin | Overland | KTY ● 20 | Kununoppin-Trayning Road Board | 1924-25 |
| Conochie | D. M. | Kununoppin | Overland | KTY ● 20 | Kununoppin-Trayning Road Board | 1925-26 |
| Conochie | D. M. | Kununoppin | Overland | KTY ● 20 | Kununoppin-Trayning Road Board | 1926-27 |
| Conochie | D. M. | Kununoppin | Morris Truck | KTY ● 20 | Kununoppin-Trayning Road Board | 1927-28 |
| Conochie | Jno. | Victoria Avenue, Claremont | - | 592 | Metro Private Car | 1923-24 |
| Conochie | John | Victoria Avenue, Claremont | Hup. | 592 | Metro Private Car | 1922-23 |
| Conochie | John | Victoria Avenue, Claremont | Hupmobile | 592 | Metro Private Car | 1924-25 |
| Conochie | John | Victoria Avenue, Claremont | Hupmobile | 592 | Metro Private Car | 1925-26 |
| Conochie | John | Victoria Avenue, Claremont | Hupmobile | 592 | Metro Private Car | 1926-27 |
| Conochie | W. G | 101 Victoria Avenue, Claremont | Overland | 592 | Metro Private Car | 1927-28 |
| Conolly | M. | Doodlakine | Dodge | KE ● 167 | Kellerberrin Road Board | 1926-27 |
| Conroy | P. J. | 156 Rokeby Road, Subiaco | Federal | 10182 | Metro Hire or Trade | 1926-27 |
| Considine | E. M. | 22 Railway Parade Perth | Rugby | 13429 | Metro Private Car | 1926-27 |
| Considine | E. M. | 22 Railway Parade, West Perth | Rugby | 13429 | Metro Private Car | 1927-28 |
| Constance | M. | High Street, Fremantle | Dorant | 1620 | Metro Private Car | 1927-28 |
| Constantine | E. C. | Francis Street, Geraldton | Essex | GN 136 | Geraldton Municipality | 1927-28 |
| Constantine | Mrs K. | 11 Hampton Road, Fremantle | Chevrolet | 6052 | Metro Private Car | 1924-25 |
| Constantine | Mrs K. | 11 Hampton Road, Fremantle | Chevrolet | 6052 | Metro Private Car | 1925-26 |
| Constantine | Mrs K. | 109 South Street, Fremantle | Chevrolet | 6052 | Metro Private Car | 1927-28 |
