| Concanen | B. | 17 Heytesbury Road, Subiaco | Studebaker | 635 | Metro Private Car | 1926-27 |
| Concanen | B. | 17 Heytesbury Road, Subiaco | Studebaker | 635 | Metro Private Car | 1927-28 |
| Concanen | Barry | 17 Heytesbury Road, Subiaco | Ford | 635 | Metro Private Car | 1923-24 |
| Concannen | B. | 3 Hannan Street | Ford 15 H.P. | KMC 5 | Kalgoorlie Municipality | 1916 |
| Concannen | Barry | 17 Heytesbury Road, Subiaco | Ford | 635 | Metro Private Car | 1922-23 |
| Conder | J. B. | Yelbeni | Durant | KTY ● 11 | Kununoppin-Trayning Road Board | 1924-25 |
| Conder | J. B. | Yelbeni | Durant | KTY ● 11 | Kununoppin-Trayning Road Board | 1925-26 |
| Conder | J. B. | Yelbeni | Chrysler | KTY ● 11 | Kununoppin-Trayning Road Board | 1926-27 |
| Conder | J. B. | Yelbeni | Chrysler | KTY ● 11 | Kununoppin-Trayning Road Board | 1927-28 |
| Condon | S. | 164 Newcastle Street, Perth | Chrysler | 7077 | Metro Private Car | 1927-28 |
| Condon | W. G. | Hamilton Road, Spearwood | Republic | 12256 | Metro Private Car | 1926-27 |
| Condon | W. J. | Hamilton Road, Spearwood | Republic | 12256 | Metro Private Car | 1927-28 |
| Condren | B. J. | 57 Servetus Street, Swanbourne | Oakland | 9291 | Metro Private Car | 1926-27 |
| Condren | Bernard | 57 Servetus Street, Swanbourne | Overland Wagon | 9291 | Metro Private Car | 1927-28 |
| Conduit & Sons | - | Cnr. Gladstone & Suburban Road, South Perth | Ford Van | 8793 | Metro Private Car | 1925-26 |
| Conduit & Sons | - | Cnr. Gladstone & Suburban Road, South Perth | Ford Van | 8793 | Metro Private Car | 1926-27 |
| Conduit & Sons | - | Cnr. GladStone & Suburban Road, S. Perth | Ford Van | 8793 | Metro Private Car | 1927-28 |
| Conduit & Sons | - | 1 Gladstone Street, South Perth | Ford | 1396 | Metro Private Car | 1927-28 |
| Congdon | A. | 50 Jersey Street, Julimont | Rex | 852 | Metro Motorcycle | 1922-23 |
| Congdon | B. | 50 Jersey Street, Jolimont | - | S 26 | Subiaco Municipality | 1919 |
| Congdon | E. | 50 Jersey Street, Jolimont | Triumph 3½ H.P. Motorcycle | S 27 | Subiaco Municipality | 1915 |
| Congdon | E. | 65 Hensman Road, Subiaco | Overland | 2235 | Metro Private Car | 1922-23 |
| Congdon | E. | 65 Hensmen Street, Subiaco | Overland | 2235 | Metro Private Car | 1923-24 |
| Congdon | E. | 50 Jersey Street, Jolimont | Ford Wagon | 2858 | Metro Private Car | 1924-25 |
| Congdon | E. | 65 Hensman Road, Subiaco | Rugby | 6385 | Metro Private Car | 1924-25 |
| Congdon | E. | 65 Hensman Road, Subiaco | Overland | 2235 | Metro Private Car | 1924-25 |
| Congdon | E. | 65 Hensman Road, Subiaco | Rugby | 6385 | Metro Private Car | 1925-26 |
| Congdon | E. | 65 Hensman Road, Subiaco | Rugby | 6385 | Metro Private Car | 1927-28 |
| Congdon | E. D. | 50 Jersey Street, Jolimont | Ford | 2555 | Metro Private Car | 1924-25 |
| Congdon | E. D. | 50 Jersey Street, Jolimont | Ford | 2555 | Metro Private Car | 1925-26 |
| Congdon | E. D. | Jolimont | Ford | 2555 | Metro Private Car | 1926-27 |
| Congdon | E. D. | 50 Jersey Street, Jolimont | Ford | 2555 | Metro Private Car | 1927-28 |
| Congdon | E. J. | 65 Hensman Road, Subiaco | Rugby | 6385 | Metro Private Car | 1926-27 |
| Congdon | Ed. | Jolimont | Ford | 2555 | Metro Private Car | 1922-23 |
| Congdon | Ed. | 50 Jersey Street, Jolimont | Ford | 2555 | Metro Private Car | 1923-24 |
| Congdon | Edwin | 50 Jersey Street, Jolimont | Ford Wagon | 952 | Metro Private Car | 1927-28 |
| Congdon | Ernest | 65 Hensman Road, Subiaco | Ford Wagon | 2858 | Metro Private Car | 1923-24 |
| Congdon | F. H. | Knutsford Street, North Perth | Essex | 5780 | Metro Private Car | 1927-28 |
| Congregational Church | - | Kununoppin | Overland | KTY ● 54 | Kununoppin-Trayning Road Board | 1926-27 |
| Congregational Church | - | Kununoppin | Overland | KTY ● 54 | Kununoppin-Trayning Road Board | 1927-28 |
| Congregational Union of W.A. | - | Trinity Church | B.S.A. 3½ H.P. Motorcycle | P 743 | Perth Municipality | 1915 |
| Congress | S. | 17 Marmion Street, North Perth | Overland | 6571 | Metro Private Car | 1924-25 |
| Congress Bros | | 230 Murray Street, Perth | Essex | 14412 | Metro Private Car | 1927-28 |
| Congress Bros | - | 390 Murray Street, Perth | Overland | 6571 | Metro Private Car | 1925-26 |
| Conker | W. & H. | Morowa | Ford | PM ● 10 | Perenjori-Morawa Road Board | 1924-25 |
| Connally | J. D. | 6 King's Park Road | Studebaker 15 H.P. | P 642 | Perth Municipality | 1916 |
| Connaughton | F. | 705 Beaufort Street, Perth | Buick | 763 | Metro Private Car | 1922-23 |
| Connaughton | Fred | 705 Beaufort Street, Mount Lawley | Buick | 763 | Metro Private Car | 1923-24 |
| Connaughton | Fred | 705 Beaufort Street, Mount Lawley | Buick | 763 | Metro Private Car | 1924-25 |
| Connaughton | Fred | 705 Beauford Street, Mount Lawley | Buick | 763 | Metro Private Car | 1925-26 |