| Cox | H. V. | Forrest Street | Chevrolet | N 4 | Northam Municipality | 1927-28 |
| Cox | Harold | 133 Mackie Street, Victoria Park | Ford | 9585 | Metro Private Car | 1927-28 |
| Cox | Harold | Corrigin | Ford | CR ● 248 | Corrigin Road Board | 1927-28 |
| Cox | J. H. | Claremont Avenue, Claremont | - | C 75 | Claremont Municipality | 1919 |
| Cox | J. N. | Coolup | Rugby | MY ● 82 | Murray Road Board | 1926-27 |
| Cox | J. N. | Coolup | Rugby | MY ● 82 | Murray Road Board | 1927-28 |
| Cox | J. S. | 65a Adelaide Terrace, Perth | Chevrolet | 9133 | Metro Private Car | 1925-26 |
| Cox | J. S. | 65a Adelaide Terrace, Perth | Chevrolet | 9133 | Metro Private Car | 1926-27 |
| Cox | Jack | Throssell Street, Collie | B.S.A. 4 H.P. Motorcycle | CMC 2 | Collie Municipality | 1915 |
| Cox | John | Railway & Forrest Streets, Cottesloe | B.S.A. 4 H.P. | Ce 19 | Cottesloe Municipality | 1916 |
| Cox | L. R | Yorkrakine | Chevrolet | WM ● 231 | Wyalkatchem Road Board | 1927-28 |
| Cox | L. R. | Yorkrakine | Chevrolet | WM ● 231 | Wyalkatchem Road Board | 1926-27 |
| Cox | L. R. | 38 Brighton Street, West Leederville | Chevrolet | 1702 | Metro Private Car | 1927-28 |
| Cox | Mrs A. J. | Roelands | Chevrolet | H ● 184 | Harvey Road Board | 1927-28 |
| Cox | Richard | West Dale via Beverlry | Ford | BO ● 25 | Brookton Road Board | 1922-23 |
| Cox | Richard | West Dale via Beverley | Ford | BO ● 25 | Brookton Road Board | 1923-24 |
| Cox | Seth | Junction store | Ford 15-20 H.P. | GU ● 14 | Upper Gascoyne Road Board | 1917-18 |
| Cox | Seth. | Junction Store | Ford 20 H.P. | GU ● 14 | Gascoyne Upper Road Board | 1919 |
| Cox | T. | 2 Cross Street, Subiaco | Overland | 7392 | Metro Private Car | 1925-26 |
| Cox | T. | 2 Cross Street, Subiaco | Overland | 7392 | Metro Private Car | 1926-27 |
| Cox | W. | Ballidu | Overland | WB ● 61 | Wongan-Ballidu Road Board | 1926-27 |
| Cox | W. | Ballidu | Overland | WB ● 61 | Wongan-Ballidu Road Board | 1927-28 |
| Cox | Wm | Louisa Downs Station, Halls Creek | Ford | HC ● 3 | Halls Creek Road Board | 1927-28 |
| Cox | Wm. | Louisa Downs Station, Halls Creek | Ford | HC ● 3 | Halls Creek Road Board | 1926-27 |
| Cox Wm Louisa Downs Station | - | Halls Creek | Ford | HC ● 3 | Halls Creek Road Board | 1925-26 |
| Coxen | - | Maylands | E.M.F. 25 H.P. | ML 7 | Perth Road Board | 1915 |
| Coxen | E. W. | East Pingelly | Ford | PN ● 34 | Pingelly Road Board | 1924-25 |
| Coxon | E. W. | East Pingelly | Ford | PN ● 34 | Pingelly Road Board | 1922-23 |
| Coxon | E. W. | East Pingelly | Ford | PN ● 34 | Pingelly Road Board | 1923-24 |
| Coxon | E. W. | East Pingelly | Ford | PN ● 34 | Pingelly Road Board | 1924-25 |
| Coxon | E. W. | East Pingelly | Ford | PN ● 34 | Pingelly Road Board | 1925-26 |
| Coxon | E. W. | East Pingelly | Ford | PN ● 34 | Pingelly Road Board | 1927-28 |
| Coxon | L. | Jarnadup | Essex | WA ● 82 | Manjimup Road Board | 1925-26 |
| Coxon | L. | Jarnadup | Essex | WA ● 82 | Manjimup Road Board | 1926-27 |
| Coxon | Leslie | Maylands | Premier 3 H.P. | ML 18 | Perth Road Board | 1915 |
| Coy | T. | Narrogin | Douglas 3½ Motorcycle | By 14 | Bunbury Municipality | 1917-18 |
| Coy, | K. A. Mrs | Bunbury | Talbot | BY 83 | Bunbury Municipality | 1923 - 1924 |
| Coyle | Albert | 86 Gate | Ford Truck | KU ● 103 | Kulin Road Board | 1927-28 |
| Coyle | D. | Dudinin | Overland | WK ● 126 | Wickepin Road Board | 1925-26 |
| Coyle | D. J | Dorakin | Ford | WK ● 126 | Wickepin Road Board | 1926-27 |
| Coyle | John H. | 155 Seventh Avenue, Maylands | Chevrolet | 2382 | Metro Private Car | 1927-28 |
| Coyle | P. | Moir's Chambers | Humber 20 H.P. | P 10 | Perth Municipality | 1915 |
| Coyle | P. | Barrack Street | Humber 20 H.P. | P 10 | Perth Municipality | 1916 |
| Coyle | T. | Babakin | Ford | BK ● 49 | Bruce Rock Road Board | 1922-23 |
| Coyle | T. | Babakin | Ford | BK 50 | Bruce Rock Road Board | 1923 - 1924 |
| Coyle | T. | Babakin | Ford | BK ● 50 | Bruce Rock Road Board | 1924-25 |
| Coyle | T. M. | Babakin | Ford | BK ● 50 | Bruce Rock Road Board | 1925-26 |
| Coyle | T. M. | Babakin | Ford | BK ● 50 | Bruce Rock Road Board | 1926-27 |
| Coyle | T. M. | Babakin | Hupmobile | BK ● 50 | Bruce Rock Road Board | 1927-28 |
| Coyle Philip Moir's Chamber Co | - | - | Humber 20 H.P. | P 10 | Perth Municipality | 1917-18 |
