| Parker | J. R. | Merredin | Chevrolet | MD ● 105 | Merredin Road Board | 1927-28 |
| Parker | J. W. | - | Oakland | Y 22 | York Municipality | 1916 |
| Parker | J. W. | - | Overland | Y 22 | York Municipality | 1917-18 |
| Parker | J. W. | - | Overland 20 H.P. | Y 22 | York Municipality | 1919 |
| Parker | J. W. | Briggs Street, Bassendean | Ford | 6913 | Metro Private Car | 1924-25 |
| Parker | J. W. | Briggs Street, Bassendean | Ford | 6913 | Metro Private Car | 1925-26 |
| Parker | J. W. | Devon Road, Bassendean | Chevrolet | 9128 | Metro Private Car | 1925-26 |
| Parker | J. W. | Devon Road, Bassendean | Chevrolet | 9128 | Metro Private Car | 1926-27 |
| Parker | J. W. | Briggs Street, Bassendean | Overland | 11323 | Metro Private Car | 1927-28 |
| Parker | Jas | York | Sunbeam | Y ● 88 | York Road Board | 1925-26 |
| Parker | Jas. | Grassdale, York | Hudson 30 H.P. | Y ● 44 | York Road Board | 1919 |
| Parker | Jas. | Grassdale York | Hudson 30 H.P. | Y ● 44 | York Road Board | 1922-23 |
| Parker | Jas. | Grassdale, York | Buick | Y ● 44 | York Road Board | 1923-24 |
| Parker | Jas. | York | Sunbeam | Y ● 88 | York Road Board | 1925-26 |
| Parker | Jas. | York | Sunbeam | Y ● 88 | York Road Board | 1926-27 |
| Parker | Jas. | York | Chrysler | Y ● 88 | York Road Board | 1927-28 |
| Parker | Jeane G. | 2 Bowman Street, South Perth | Morris-Cowley | 1741 | Metro Private Car | 1927-28 |
| Parker | K. H | Slade Street, Bayswater | Fiat | 13983 | Metro Private Car | 1927-28 |
| Parker | K. H. | Slade Street, Bayswater | Fiat | 13983 | Metro Private Car | 1926-27 |
| Parker | L. | Bridgetown | Chevrolet | B ● 124 | Bridgetown Road Board | 1925-26 |
| Parker | L. | Yealering | Chevrolet | WK ● 155 | Wickepin Road Board | 1926-27 |
| Parker | L. | Yealering | Chevrolet | WK ● 245 | Wickepin Road Board | 1927-28 |
| Parker | L. E. | Shenton Street, Gerladton | Overland | GN 66 | Geraldton Municipality | 1925-26 |
| Parker | L. P. | Carnamah | Dodge | MI ● 30 | Mingenew Road Board | 1923-24 |
| Parker | L. P. | Carnamah | Dodge | CA ● 20 | Carnamah Road Board | 1924-25 |
| Parker | L. P. | Carnamah | Dodge | CA ● 20 | Carnamah Road Board | 1925-26 |
| Parker | L. P. | Carnamah | Dodge | CA ● 20 | Carnamah Road Board | 1926-27 |
| Parker | L. P. | Carnamah | Ford Truck | CA ● 134 | Carnamah Road Board | 1926-27 |
| Parker | L. P. | Carnamah | Dodge | CA ● 20 | Carnamah Road Board | 1927-28 |
| Parker | L. P. | Carnamah | Ford Truck | CA ● 134 | Carnamah Road Board | 1927-28 |
| Parker | L. T. | Dowerin | Chevrolet | D ● 177 | Dowerin Road Board | 1926-27 |
| Parker | L. T. | Dowerin | Chevrolet | D ● 177 | Dowerin Road Board | 1927-28 |
| Parker | Mrs G. | York | Ford | Y ● 38 | York Road Board | 1922-23 |
| Parker | Mrs G. | York | Chevrolet | Y ● 38 | York Road Board | 1923-24 |
| Parker | Mrs G. E. | 4 Miller Street, Victoria Park | Overland | 6689 | Metro Private Car | 1924-25 |
| Parker | Mrs G. E. | 4 Miller Street, Victoria Park | Overland | 6689 | Metro Private Car | 1925-26 |
| Parker | Mrs G. E. | 4 Miller Street, Victoria Park | Overland | 6689 | Metro Private Car | 1926-27 |
| Parker | Mrs M. | Kojonup | Oldsmobile | KO ● 112 | Kojonup Road Board | 1925-26 |
| Parker | Mrs M. | Kojonup | Oldsmoible | KO ● 112 | Kojonup Road Board | 1926-27 |
| Parker | Mrs M. | Kojonup | Oldsmobile | KO ● 112 | Kojonup Road Board | 1927-28 |
| Parker | Mrs V. S. | 2 Riley Road, Claremont | Hupmobile | 5648 | Metro Private Car | 1924-25 |
| Parker | Mrs V. S. | 2 Riley Street, Claremont | Hupmobile | 5648 | Metro Private Car | 1925-26 |
| Parker | Mrs V. S. | 2 Riley Road, Claremont | Hupmobile | 5648 | Metro Private Car | 1926-27 |
| Parker | Mrs W. B. | Chidlow Street | Chevrolet | N 153 | Northam Municipality | 1925-26 |
| Parker | P. J. | 236 Hare Street, Kalgoorlie | Chevrolet | KMC 298 | Kalgoorlie Municipal Council | 1926-27 |
| Parker | P. J. | 236 Hare Street, Kalgoorlie | Chevrolet | KMC 298 | Kalgoorlie Municipal Council | 1927-28 |
| Parker | R. E. | 15 Murray Street, Perth | Norton & Sidecar | 945 | Metro Motorcycle | 1922-23 |
| Parker | R. E. | 34 Wickham Street, East Perth | Ford | 7240 | Metro Private Car | 1925-26 |
| Parker | R. E. | 34 Wickham Street, East Perth | Ford | 7240 | Metro Private Car | 1926-27 |
| Parker | R. E. | 130 Raglan Road, North Perth | Ford | 7240 | Metro Private Car | 1927-28 |
