| Jermy | H. C. | Yalgoo | Overland | YA ● 31 | Yalgoo Road Board | 1925-26 |
| Jermyn | A. S. | Bullsbrook | Rugby | SW ● 77 | Swan Road Board | 1926-27 |
| Jermyn | A. S. | Bullsbrook | Rugby | SW ● 77 | Swan Road Board | 1927-28 |
| Jermyn | A. S. | Bullsbrook | Dodge | SW ● 100 | Swan Road Board | 1927-28 |
| Jersoe | H. G. | Esplanade, Perth | Maxwell 22 H.P. | P 761 | Perth Municipality | 1916 |
| Jersoe | Hans E. | Westonia | Maxwell 20 H.P. | MD 2 | Merredin Road Board | 1916 |
| Jervis | D. E. | Clackline | Ford | N ● 188 | Northam Road Board | 1926-27 |
| Jervois | W. | Toodyay | Chevrolet | T ● 44 | Toodyay Road Board | 1923-24 |
| Jervois | W. | Normans, Toodyay | Chevrolet | T ● 44 | Toodyay Road Board | 1925-26 |
| Jervois | W. | Toodyay | Chevrolet | T ● 44 | Toodyay Road Board | 1926-27 |
| Jervois | W. E. | Nunyle | Chrysler | T ● 44 | Toodyay Road Board | 1927-28 |
| Jeskie | P. E. | 164 Loftus Street, Leederville | Ford | 5649 | Metro Private Car | 1924-25 |
| Jeskie | P. E. | 164 Loftus Street, Leederville | Ford | 5649 | Metro Private Car | 1925-26 |
| Jeskie | P. E. | 164 Loftus Street, Leederville | Ford | 5649 | Metro Private Car | 1926-27 |
| Jesson | F. M. | Merredin | Essex | MD ● 326 | Merredin Road Board | 1927-28 |
| Jesson | J. A. | Merredin | Chevrolet Truck | MD ● 107 | Merredin Road Board | 1927-28 |
| Jesson | J. A. | Merredin | Rugby Truck | MD ● 236 | Merredin Road Board | 1927-28 |
| Jessop | Ed | 93 Sunbury Road, Victoria Park | International Truck | 4323 | Metro Private Car | 1927-28 |
| Jessop | H. L. | Esplanade, South Perth | Dodge | 4294 | Metro Private Car | 1923-24 |
| Jessop | H. L. | Esplanade, South Perth | Dodge | 4294 | Metro Private Car | 1924-25 |
| Jessup | C. G. | Broome Terrace | Chevrolet | N 36 | Northam Municipality | 1925-26 |
| Jessup | C. G. | Broome Terrace | Chevrolet | N 36 | Northam Municipality | 1926-27 |
| Jessup | C. G. | Broome Terrace | Chevrolet | N 36 | Northam Municipality | 1927-28 |
| Jessup | E. | 113 Brookman Street, Kalgoorlie | Oldsmobile | KMC 333 | Kalgoorlie Municipal Council | 1927-28 |
| Jessup | W. | Northam | Ford | N ● 156 | Northam Road Board | 1925-26 |
| Jessup | W. | - | Ford | N ● 156 | Northam Road Board | 1927-28 |
| Jessup | Wm. | Stirling Street | Ford Truck | N 118 | Northam Municipality | 1924-25 |
| Jeubert | L. E. | 5 Heratio Street, East Perth | Calcott | 8570 | Metro Private Car | 1927-28 |
| Jewell | Sam. C. | Kojonup | B.S.A. Motorcycle | KO ● 6 | Kojonup Road Board | 1922-23 |
| Jewell | Thos. | 17 Ethel Street, North Perth | Oakland | 8266 | Metro Private Car | 1927-28 |
| Jewell | V. J. | Corrigin | Talbot | CR ● 60 | Corrigin Road Board | 1924-25 |
| Jewell | V. J. | Corrigin | Dodge | CR ● 36 | Corrigin Road Board | 1927-28 |
| Jewell | V. J. | Corrigin | Oldsmobile | CR ● 51 | Corrigin Road Board | 1927-28 |
| Jewell | Vivian Jas. | 38 Bent Street, North Perth | Talbot wagon | 3010 | Metro Vehicle for Hire | 1922-23 |
| Jewell | W. G. | 101 Hamersley Road, Subiaco | Maxwell | 2880 | Metro Private Car | 1923-24 |
| Jewell | W. G. | 101 Hamersley Road, Subiaco | Maxwell | 2880 | Metro Private Car | 1924-25 |
| Jewell | W. G. | 101 Hamersley Road, Subiaco | Maxwell | 2880 | Metro Private Car | 1925-26 |
| Jewell | W. G. | 101 Hamersley Road, Subiaco | Maxwell | 2880 | Metro Private Car | 1926-27 |
| Jewell | W. G. | 101 Hamersley Road, Subiaco | Maxwell | 2880 | Metro Private Car | 1927-28 |
| Jewell & Davis | - | Kojonup | Chevrolet Truck | KO ● 163 | Kojonup Road Board | 1927-28 |
| Jewett | F. | Bullaring | Dodge | CR ● 76 | Corrigin Road Board | 1926-27 |
| Jewett | G. A. | Broomehill | Ford | BH ● 104 | Broomehill Road Board | 1927-28 |
| Jeynsen | C. H. | Holyoake | Overland | MY ● 266 | Murray Road Board | 1927-28 |
| Jinks | E. | Ballidu | Chevrolet Truck | WB ● 131 | Wongan-Ballidu Road Board | 1927-28 |
| Jlunketts Joinery Works | - | Smith Street, Perth | Ford | 7549 | Metro Private Car | 1927-28 |
| Joanes | Mrs C. C. | Lockyer Avenue | Overland | N 83 | Northam Municipality | 1925-26 |
| Job | T. E. | 21 Johnston Street, Boulder | Dodge | B 30 | Boulder Municipality | 1925-26 |
| Job | T. E. | 21 Johnston Street, Boulder | Dodge | B 30 | Boulder Municipality | 1926-27 |
| Job | T. E. | St. Ives | Dodge | CG ● 30 | Coolgardie Road Board | 1926-27 |
| Job | T. E. | St. Ives | Dodge | CG ● 30 | Coolgardie Road Board | 1927-28 |
