| Wynne | J. | 139 Cambridge Street, Leederville | Ford | 1076 | Metro Private Car | 1922-23 |
| Wynne | J. | Barker Street, Belmont | Hupmobile | 4411 | Metro Private Car | 1924-25 |
| Wynne | J. | Barker Street, Belmont | Hupmobile | 4411 | Metro Private Car | 1925-26 |
| Wynne | J. | Barker Street, Belmont | Hupmobile | 4411 | Metro Private Car | 1926-27 |
| Wynne | J. | Capel | Ford | CP ● 54 | Capel Road Board | 1926-27 |
| Wynne | J. | Capel | Ford | CP ● 54 | Capel Road Board | 1927-28 |
| Wynne | J. | Barker Street, Belmont | Hupmobile | 4411 | Metro Private Car | 1927-28 |
| Wynne | M. | 329 Newcastle Street | Dodge 20 H.P. | P 1322 | Perth Municipality | 1919 |
| Wynne | M. | 17 Carr Street, West Perth | Overland | 637 | Metro Private Car | 1922-23 |
| Wynne | M. | 17 Carr Street, West Perth | Overland | 637 | Metro Private Car | 1923-24 |
| Wynne | M. | 17 Carr Street, West Perth | Buick | 2640 | Metro Private Car | 1924-25 |
| Wynne | M. | 17 Carr Street, West Perth | Buick | 2640 | Metro Private Car | 1925-26 |
| Wynne | M. | West Perth | Buick | 2640 | Metro Private Car | 1926-27 |
| Wynne | M. | 17 Carr Street, West Perth | Buick | 2640 | Metro Private Car | 1927-28 |
| Wynne | Mary J. | 139 Cambridge Street | Ford 20 H.P. | P 1076 | Perth Municipality | 1919 |
| Wynne | Michael | 17 Carr Street, West Perth | Buick | 2640 | Metro Private Car | 1923-24 |
| Wynne | W. G. | 42 Fitzgerald Street, Perth | Dodge | 5781 | Metro Private Car | 1924-25 |
| Wynne | W. G. | 423 Fitzgerald Street, Perth | Dodge | 5781 | Metro Private Car | 1925-26 |
| Wynne | W. G. | 494 Fitzgerald Street, North Perth | Fiat | 5781 | Metro Private Car | 1926-27 |
| Wynne | W. G. | 494 Fitzgerald Street, North Perth | Fiat | 5781 | Metro Private Car | 1927-28 |
| Wyres | T. | Jitarning | Ford Truck | RE ● 83 | Roe Road Board | 1925-26 |
| Y-Kondinin Co-op | - | Dudinin | Ford | KU ● 49 | Kulin Road Board | 1927-28 |
| Y-Kondinin Co-op | - | Dudinin | Ford Truck | KU ● 50 | Kulin Road Board | 1927-28 |
| Y-Kondinin Co-op. | - | Dudinin | Ford | KU ● 49 | Kulin Road Board | 1926-27 |
| Y-Kondinin Co-op. | - | Dudinin | Ford Truck | KU ● 50 | Kulin Road Board | 1926-27 |
| Y.M.C.A. | - | 125 Murray Street | Ford 20 H.P. | P 1033 | Perth Municipality | 1917-18 |
| Yalgoo Road Board | - | Yalgoo | Ford | YA ● 21 | Yalgoo Road Board | 1924-25 |
| Yalgoo Road Board | - | Yalgoo | Ford | YA ● 21 | Yalgoo Road Board | 1925-26 |
| Yalgoo Road Board | - | Yalgoo | Ford | YA ● 21 | Yalgoo Road Board | 1926-27 |
| Yalgoo Road Board | - | Yalgoo | Ford | YA ● 21 | Yalgoo Road Board | 1927-28 |
| Yamaguchi | H. | Broome | Ford Truck | BM ● 57 | Broome Road Board | 1926-27 |
| Yamaguchi | H. | Broome | Ford Truck | BM ● 57 | Broome Road Board | 1927-28 |
| Yandil Pastoral Co | | Wiluna | Ford | WU ● 3 | Wiluna Road Board | 1926-27 |
| Yandil Pastoral Co | - | Wiluna | Ford | WU ● 2 | Wiluna Road Board | 1924-25 |
| Yandil Pastoral Co | - | Yandil Station, Wiluna | Ford | WU ● 3 | Wiluna Road Board | 1925-26 |
| Yandil Pastoral Co | - | Yandil Station, Wiluna | Ford | WU ● 8 | Wiluna Road Board | 1925-26 |
| Yandil Pastoral Co | - | Wiluna | Ford | WU ● 8 | Wiluna Road Board | 1926-27 |
| Yandil Pastoral Co | - | Yandi Station, Wiluna | Ford | WU ● 3 | Wiluna Road Board | 1927-28 |
| Yandil Pastoral Co | - | Yandil Station, Wiluna | Ford | WU ● 8 | Wiluna Road Board | 1927-28 |
| Yandle | F. | South Kumminin | Ford | NB ● 43 | Narembeen Road Board | 1925-26 |
| Yandle | F. | South Kuminin | Ford | NB ● 43 | Narembeen Road Board | 1926-27 |
| Yandle | F. | South Kumminin | Oakland | NB ● 43 | Narembeen Road Board | 1927-28 |
| Yandle | F. | South Kumminin | Oakland | NB ● 172 | Narembeen Road Board | 1927-28 |
| Yands & Surveys Dept. | - | Perth | Chevrolet Wagon | 4187 | Metro Private Car | 1927-28 |
| Yaotes | J. W. W. | 157 Adelaide Terrace, Perth | Willys-Knight | 3011 | Metro Hire or Trade | 1927-28 |
| Yaringa Pastoral Co | - | Yaringa Station, Carnarvon | Buick 4 H.P. | GM ● 2 | Gascoyne Minilya Road Board | 1922-23 |
| Yaringa Pastoral Co | - | Yaringa Station, Carnarvon | Buick 4 H.P. | GM ● 2 | Gascoyne-Minilya Road Board | 1923-24 |
| Yaringa Pastoral Co | - | Carnarvon | Buick | GM ● 2 | Gascoyne-Minilya Road Board | 1924-25 |
| Yaringa Pastoral Co | - | Carnarvon | Overland | GM ● 2 | Gascoyne-Minilya Road Board | 1925-26 |
| Yaringa Pastoral Co | - | Carnarvon | Overland | GM ● 2 | Goscoyne-Mililya Road Board | 1926-27 |