| Clancy | P. | Woodanilling | Overland | WO ● 48 | Woodanilling Road Board | 1926-27 |
| Clancy & Co | A. | 166 Beaufort Street, Perth | International Waggon | 445 | Metro Private Car | 1923-24 |
| Claney | A. | cnr Beaufort Street& Newcastle streets, Perth | Hupmobile | 5822 | Metro Private Car | 1924-25 |
| Clanoy | Mrs I | 208 Charles Street, West Perth | Rugby | 13817 | Metro Private Car | 1927-28 |
| Clapp | C. R. | 26 Leonard Street, Victoria Park | Overland | 7108 | Metro Private Car | 1926-27 |
| Clapp | J. | 51 Moore Street | B.S.A. 3½ H.P. Motorcycle | P 1191 | Perth Municipality | 1919 |
| Clapp | J. J. | 51 Moore Street | B.S.A. 4¼ H.P. Motorcycle | P 960 | Perth Municipality | 1917-18 |
| Clapp | J. J. | Fire Station, Perth | Dodge | 6725 | Metro Private Car | 1927-28 |
| Clapp | Mrs Margaret D. | Bilbarin | Chevrolet | CR ● 276 | Corrigin Road Board | 1927-28 |
| Clapp | S. W. | Katanning | Rugby | KA ● 147 | Katanning Road Board | 1925-26 |
| Clapp | S. W. | Katanning | Rugby | KA ● 147 | Katanning Road Board | 1926-27 |
| Clapp | S. W. | Katanning | Rugby | KA ● 147 | Katanning Road Board | 1927-28 |
| Clapp | Walter | 23 Coronation Street, North Perth | Pontiac | 14281 | Metro Private Car | 1927-28 |
| Clapp Bros | - | Tambellup | Darracq | TA ● 10 | Tambellup Road Board | 1925-26 |
| Clapton | A. C. | C/o. J & W Bateman | Ford 20 H.P. | F 144 | Fremantle Municipal Council | 1919 |
| Clapton | A. C. | 42 South Terrace, Fremantle | B.S.A. | 1294 | Metro Motorcycle | 1922-23 |
| Clapton | A. C. | 42 South Terrace, Fremantle | Overland | 1869 | Metro Private Car | 1922-23 |
| Clapton | E. | Cardiff | Metrolpolitan | CO ● 22 | Collie Road Board | 1924-25 |
| Clapton | G. | Cardiff, from A. W. Scott | Metropolitan | CO ● 22 | Collie Road Board | 1923-24 |
| Clapton | G. | Cardiff | Ford | CO ● 22 | Collie Road Board | 1925-26 |
| Clapton | Geo | Cardiff | Ford | CO ● 22 | Collie Road Board | 1927-28 |
| Clapton | P. | Cardiff | Chevrolet | CO ● 83 | Collie Road Board | 1927-28 |
| Clare | Percy | Gabbin | Chevrolet | MM ● 92 | Mount Marshall Road Board | 1926-27 |
| Clare | Percy | Gabbin | Chevrolet | MM ● 92 | Mount Marshall Road Board | 1927-28 |
| Clare | T. | Monger Street | Triumph 2½ H.P. Motorcycle | P 190 | Perth Municipality | 1917-18 |
| Clare | T. | Swan Street, South Perth | Dodge | 510 | Metro Private Car | 1922-23 |
| Clare | Thomas | Monger Street, North Perth | B.S.A. 3½ H.P. Motorcycle | P 190 | Perth Municipality | 1919 |
| Clare | W. E. | 18 Gladstone Street, East Perth | Indian Scout | 1113 | Metro Motorcycle | 1922-23 |
| Clare | W. E. | 8 Gladstone Street, East Perth | Chevrolet | 8687 | Metro Private Car | 1925-26 |
| Clare | W. E. C. | 8 Gladstone Street, East Perth | Chevrolet | 8687 | Metro Private Car | 1926-27 |
| Clare | Walter C. E | 18 GladStone Street, East Perth | Chevrolet | 8687 | Metro Private Car | 1927-28 |
| Claremont Asylum | - | Davies Road | (waggon) | C 21 | Claremont Municipality | 1915 |
| Claremont Asylum | - | Davies Street | Wagon | C 21 | Claremont Municipality | 1916 |
| Claremont Council | - | Claremont | Morris-Crowley | 11827 | Metro Private Car | 1926-27 |
| Claremont Council | - | Claremont | Chevrolet Truck | 11133 | Metro Private Car | 1926-27 |
| Claremont Council | - | Claremont | Chevrolet Truck | 14792 | Metro Private Car | 1927-28 |
| Claremont Council | - | Claremont | Chevrolet Truck | 331 | Metro Private Car | 1927-28 |
| Claremont Council | - | Claremont | Morris-Cowley | 11827 | Metro Private Car | 1927-28 |
| Claremont Council | - | Claremont | Chevrolet Truck | 11991 | Metro Private Car | 1927-28 |
| Claremont Meat Co | - | Bay View terrace, Claremont | Overland Wagon | 9535 | Metro Private Car | 1926-27 |
| Claremont Meat Co | - | Bay View Terrace, Claremont | Overland Wagon | 9535 | Metro Private Car | 1927-28 |
| Claremont Motorcycle Co | - | Claremont | Dealers Car | 2972 | Metro Trade Vehicle | 1922-23 |
| Claremont Road Board | - | Claremont | Ford Wagon | 4952 | Metro Private Car | 1924-25 |
| Claremont Road Board | - | 199 Perth - Fremantle Road | Brockway Wagon | 7256 | Metro Private Car | 1925-26 |
| Claremont Road Board | - | Claremont | Ford Wagon | 4952 | Metro Private Car | 1926-27 |
| Claremont Road Board | - | 199 Perth-Fremantle Road | Brockway Wagon | 7256 | Metro Private Car | 1926-27 |
| Claremont Road Board | - | 199 Perth-Fremantle Road | Brockway Wagon | 7256 | Metro Private Car | 1927-28 |
| Claremont Road Board | - | Claremont | Morris Cowley | 6397 | Metro Private Car | 1927-28 |
| Claremont Roads Board | - | Claremont | Ford Wagon | 4952 | Metro Private Car | 1925-26 |
| Claremont Roads Board | - | Claremont | Ford Wagon | 4952 | Metro Private Car | 1927-28 |
