| Clinch | F. & W. | Sandstone | Hupmobile | BR ● 20 | Black Range Road Board | 1925-26 |
| Clinch | F. & W. | Sandstone | Hupmobile | BR ● 20 | Black Range Road Board | 1926-27 |
| Clinch | F. E. M. | Greenough | Dodge | GH ● 43 | Greenough Road Board | 1925-26 |
| Clinch | F. E. M. | Greenough | Dodge | GH ● 43 | Greenough Road Board | 1926-27 |
| Clinch | F. E. M. | Greenough | Dodge | GH ● 43 | Greenough Road Board | 1927-28 |
| Clinch | G. | Burnambinmah | Hupmobile 16-20 H.P. | YA ● 13 | Yalgoo Road Board | 1919 |
| Clinch | T. A. | Goodingnow | Chevrolet | DL ● 31 | Dalwallinu Road Board | 1924-25 |
| Clinch | T. A. | Goodenow Station | Oakland | DL ● 31 | Dalwallinu Road Board | 1925-26 |
| Clinch | T. A. | Goodingnow Station | Oakland | DL ● 31 | Dalwallinu Road Board | 1926-27 |
| Clinch | T. A. | Goodingnow Station | Oakland | DL ● 31 | Dalwallinu Road Board | 1927-28 |
| Clinch | W. R. | - | Overland | M ● 87 | Moora Road Board | 1925-26 |
| Clinch | W. R. | - | Overland | M ● 87 | Moora Road Board | 1926-27 |
| Clinch | W. R. | - | Overland | M ● 87 | Moora Road Board | 1927-28 |
| Clinch Bros | - | Burnambinmah Station | Douglas 3½ H.P. Motorcycle | YA ● 28 | Yalgoo Road Board | 1922-23 |
| Clinch Bros | - | Burnanbinmah Station | Hupmobile 21 H.P. | YA ● 13 | Yalgoo Road Board | 1922-23 |
| Clinch Bros | - | Burnambinmah Station | Overland | YA ● 47 | Yalgoo Road Board | 1924-25 |
| Clinch Bros | - | Burnambinmah Station | Overland | YA ● 47 | Yalgoo Road Board | 1925-26 |
| Clinch Bros | - | Burnambinmah Station | Nash | YA ● 54 | Yalgoo Road Board | 1925-26 |
| Clinch Bros | - | Burnambinmah Station | Overland | YA ● 72 | Yalgoo Road Board | 1925-26 |
| Clinch Bros | - | Burnambinmah Station | Overland | YA ● 47 | Yalgoo Road Board | 1926-27 |
| Clinch Bros | - | Burnerbinmah Station | Nash | YA ● 54 | Yalgoo Road Board | 1926-27 |
| Clinch Bros | - | Burnerbinmah Station | Overland | YA ● 72 | Yalgoo Road Board | 1926-27 |
| Clinch Bros | - | Burnerbinmah Station, Yalgoo | Nash | YA ● 54 | Yalgoo Road Board | 1927-28 |
| Clinch Bros | - | Bernerbinmah | Chrysler | YA ● 97 | Yalgoo Road Board | 1927-28 |
| Clinch Bros. | - | Burnambinmah Station | Overland | YA ● 47 | Yalgoo Road Board | 1923-24 |
| Clint | J. | 50 Carr Street, West Perth | Douglas 2¾ H.P. Motorcycle | P 534 | Perth Municipality | 1916 |
| Clinton | A. | Park Road, Nedlands | Ford | 7545 | Metro Private Car | 1925-26 |
| Clinton | A. | 13 Park Road, Nedlands | Chevrolet | 7545 | Metro Private Car | 1926-27 |
| Clinton | A. | 13 Park Road, Nedlands | Chevrolet | 7545 | Metro Private Car | 1927-28 |
| Clinton | P. J. | 19 Waugh Street, North Perth | Overland | 483 | Metro Private Car | 1922-23 |
| Clinton | W. R. | 19 Waugh Street, North Perth | Overland | 9925 | Metro Private Car | 1926-27 |
| Clipson | Mrs | Pingelly | Chevrolet | CN ● 8 | Cuballing Road Board | 1926-27 |
| Clipson | Mrs | Pingelly | Chevrolet | CN ● 8 | Cuballing Road Board | 1927-28 |
| Clipstone | Mrs F. E. | West Pingelly | Chevrolet | PN ● 13 | Pingelly Road Board | 1924-25 |
| Clipstone | Mrs F. E. | West Pingelly | Chevrolet | PN ● 13 | Pingelly Road Board | 1924-25 |
| ClipStone | Mrs F. E. | West Pingelly | Chevrolet | PN ● 13 | Pingelly Road Board | 1925-26 |
| Clipstone | Mrs F. E. | West Pingelly | Chevrolet | PN ● 13 | Pingelly Road Board | 1927-28 |
| Clitheroe | Wm. | Korrelocking | Essex | WM ● 100 | Wyalkatchem Road Board | 1924-25 |
| Clitheroe | Wm. | Korrelocking | Essex | WM ● 100 | Wyalkatchem Road Board | 1925-26 |
| Clive | G. | 28 King Street, Fremantle | Dodge | 9789 | Metro Private Car | 1926-27 |
| Clive | G. | 28 King Street, Fremantle | Dodge | 9789 | Metro Private Car | 1927-28 |
| Clive | Gilbert | 38 King William Street, North Fremantle | B.S.A. & Sidecar | 1215 | Metro Motorcycle | 1922-23 |
| Clivesey | S. | Napier | Chevrolet Truck | A ● 68 | Albany Road Board | 1927-28 |
| Cloeman | C. | Rockingham | Chevrolet | RO ● 37 | Rockingham Road Board | 1925-26 |
| Clontarf Orphanage | - | Victoria Park | Chevrolet Truck | 4655 | Metro Private Car | 1927-28 |
| Close | J. | 41 Melville Parade, Como | Chevrolet | 5847 | Metro Private Car | 1926-27 |
| Close | J. H. | Robert Street, Collie | Rugby | CM 114 | Collie Municipality | 1926-27 |
| Close | J. H. | Robert Street, Collie | Rugby | CM 114 | Collie Municipality | 1927-28 |
| Closs | F. R. | Solomon Street, Cottesloe Beach | Fiat | 9720 | Metro Private Car | 1926-27 |
| Closs | Frank | Solomon Street, Cottesloe Beach | Scat | 9720 | Metro Private Car | 1927-28 |
