| Carroll | W. | South Kumminin | Ford | NB ● 55 | Narembeen Road Board | 1927-28 |
| Carrott | A. | Kellerberrin | Ford Truck | KE ● 225 | Kellerberrin Road Board | 1926-27 |
| Carruthers | C. | 123 Ascot Road, Victoria Park | Brockway | 10299 | Metro Hire or Trade | 1926-27 |
| Carruthers | C. | - | Dodge | MW ● 99 | Mullewa Road Board | 1927-28 |
| Carruthers | J. | Lake Grace | Dodge | LG ● 2 | Lake Grace Road Board | 1924-25 |
| Carruthers | J. | Lake Grace | Dodge | LG ● 2 | Lake Grace Road Board | 1925-26 |
| Carruthers | J. | Lake Grace | Dodge | LG ● 2 | Lake Grace Road Board | 1926-27 |
| Carruthers | J. | Lake Grace | Buick | LG ● 2 | Lake Grace Road Board | 1927-28 |
| Carruthers | J. | Lake Grace | Dodge | LG ● 61 | Lake Grace Road Board | 1927-28 |
| Carruthers | W. | Lake Grace | Buick | LG ● 61 | Lake Grace Road Board | 1925-26 |
| Carruthers | W. | Lake Grace | Buick | LG ● 61 | Lake Grace Road Board | 1926-27 |
| Carruthers | W. | Lake Grace | Buick | LG ● 1 | Lake Grace Road Board | 1927-28 |
| Carry | James | 20 Brandon Street, South Perth | Oldsmobile | 2508 | Metro Private Car | 1927-28 |
| Carse | C. | 8 Duncan Street, Victoria Park | Rugby | 13776 | Metro Private Car | 1926-27 |
| Carse | C. | 8 Duncan Street, Victoria Park | Rugby | 13776 | Metro Private Car | 1927-28 |
| Carslake | J. | Birrigrin | Ford 20 H.P. | BR 2 | Black Range Road Board | 1916 |
| Carslake | J. | Caledonian Avenue, Maylands | Oakland | 7525 | Metro Private Car | 1926-27 |
| Carslake | J. H. | Caledonian Avenue, Maylands | Oakland | 7525 | Metro Private Car | 1927-28 |
| Carslake | James | Berrigan | Ford 20 H.P. | BR ● 2 | Black Range Road Board | 1917-18 |
| Carslake | James | Berrigrin | Ford 20 H.P. | BR ● 2 | Black Range Road Board | 1919 |
| Carslake | Jas. | Caledonian Avenue, Perth | Overland | 888 | Metro Private Car | 1922-23 |
| Carslaw | S. | 2 Woodville Street, North Perth | Humber 8 H.P. | P 881 | Perth Municipality | 1917-18 |
| Carslaw | S. | 400 Newcastle Street | Humber 8 H.P. | P 881 | Perth Municipality | 1919 |
| Carslaw | Stephen | 2 Woodville Street, North Perth | Humber 8 H.P. | P 881 | Perth Municipality | 1916 |
| Carson | A. | 21 Hanley Street | Chevrolet 20 H.P. | P 397 | Perth Municipality | 1916 |
| Carson | A. D. | - | Whippet | MW ● 98 | Mullewa Road Board | 1927-28 |
| Carson | A. J. | 21 Harley Street, Highgate | Studebaker 30 H.P. | P 667 | Perth Municipality | 1917-18 |
| Carson | A. J. | 21 Harley Street, Highgate | Studebaker 30 H.P. | P 667 | Perth Municipality | 1919 |
| Carson | ER. | Carbine | Ford | CG ● 6 | Coolgardie Road Board | 1926-27 |
| Carson | H. | Gregory Street, Geraldton | Essex | GN 175 | Geraldton Municipality | 1927-28 |
| Carson | Mrs S. A | Princess Road, Jandakot | Ford Truck | 8926 | Metro Private Car | 1927-28 |
| Carson | P. | Hutt | Buick | NR ● 58 | Northampton Road Board | 1925-26 |
| Carson | P. | Hutt | Buick | NR ● 58 | Northampton Road Board | 1926-27 |
| Carson | P. | Hutt | Buick | NR ● 58 | Northampton Road Board | 1927-28 |
| Carson | R. | Carbine | Ford | CG ● 6 | Coolgardie Road Board | 1923-24 |
| Carson | R. | Carbine | Ford | CG ● 6 | Coolgardie Road Board | 1924-25 |
| Carson | R. | Carbine | Ford | CG ● 6 | Coolgardie Road Board | 1925-26 |
| Carson | R. | 454 Hannan Street, Kalgoorlie | Ford | KMC 30 | Kalgoorlie Municipal Council | 1927-28 |
| Carson | W. H. | 662 Beaufort Street, Perth | Chevrolet | 2241 | Metro Private Car | 1927-28 |
| Carstair | W. | 324 Railway Parade, West Leederville | Dodge | 490 | Metro Private Car | 1925-26 |
| Carstairs | John | Perenjori | Chevrolet Truck | PM ● 90 | Perenjori-Morawa Road Board | 1927-28 |
| Carstairs | W. | cnr Tate & Railway Road, Leederville | Fiat | 5834 | Metro Private Car | 1924-25 |
| Carstairs | W. | 324 Railway Parade, West leederville | Dodge | 490 | Metro Private Car | 1924-25 |
| Carstairs | W. | Leederville | Fiat | 1939 | Metro Private Car | 1926-27 |
| Cart | R. G. Cuming | "Gunyah" John Street, Cottesloe | B.S.A. 4¼ H.P. Motorcycle | Ce 43 | Cottesloe Municipality | 1916 |
| Carter | - | Fitzgerald Street | Ford 20 H.P. | N 33 | Northam Municipality | 1916 |
| Carter | - | Davies Road, Claremont | Motorcycle | C 23 | Claremont Municipality | 1917-18 |
| Carter | - | Kondut | Dodge | WB ● 70 | Wongan-Ballidu Road Board | 1926-27 |
| Carter | A. E. | Williams | Buick | WL ● 6 | Williams Road Board | 1927-28 |
| Carter | A. F. | Quellington . York | Chevrolet | Y ● 97 | York Road Board | 1925-26 |
