| Barnfather | E. | Peninsula Road, Maylands | Essex | 6492 | Metro Private Car | 1924-25 |
| Barnfather | E. | Peninsula Road, Maylands | Ford Van | 2225 | Metro Private Car | 1925-26 |
| Barnfather | E. | Peninsula Road, Maylands | Essex | 6492 | Metro Private Car | 1925-26 |
| Barnfather | E. | Maylands | Ford Van | 2225 | Metro Private Car | 1926-27 |
| Barnfather | E. | Peninsula Road, Maylands | Essex | 6492 | Metro Private Car | 1926-27 |
| Barnfather | E. | Peninsula Road, Maylands | Essex | 6492 | Metro Private Car | 1927-28 |
| Barnfather | E. | Peninsula Road, Maylands | Ford Van | 2225 | Metro Private Car | 1927-28 |
| Barnfather | Ernest | Peninsula Road, Maylands | Ford van | 2225 | Metro Private Car | 1923-24 |
| Barnhart | R. | Three Springs | Ford Truck | CA ● 244 | Carnamah Road Board | 1927-28 |
| Barns Forder & Williams | - | 325 William Street, Perth | Ford Wagon | 5274 | Metro Private Car | 1924-25 |
| Barnsby | - | Albany | Ford | A 15 | Municipality of Albany | 1924-25 |
| Barnsley | E. B. | Beverley | Ford | BE ● 110 | Beverley Road Board | 1923-24 |
| Barnsley | E. B. | Beverley | Essex | BE ● 110 | Beverley Road Board | 1925-26 |
| Barnsley | E. B. | Beverley | Essex | BE ● 110 | Beverley Road Board | 1926-27 |
| Barnsley | E. B. | Beverley | Essex | BE ● 110 | Beverley Road Board | 1927-28 |
| Barnsley | E. B. | Beverley | Essex | BE ● 255 | Beverley Road Board | 1927-28 |
| Barnsley | F. B. | Beverley | Essex | BE ● 110 | Beverley Road Board | 1924-25 |
| Barnstow | E. M. | Dumbleyung | Rugby | DU ● 26 | Dumbleyung Road Board | 1927-28 |
| Baron | J. H. | Light of Asia G.M Cue | Ford | CD ● 9 | Cue-Day Dawn Road Board | 1922-23 |
| Baron-Hay | G. K. | 64 John Street, Cottesloe | Austin | 13194 | Metro Private Car | 1926-27 |
| Barr | A. | Bullfinch | Dodge 23 H.P. | YL ● 22 | Yilgarn Road Board | 1922-23 |
| Barr | A. | Bullfinch | Dodge | YL ● 22 | Yilgarn Road Board | 1923-24 |
| Barr | A. | Bullfinch | Dodge | YL ● 22 | Yilgarn Road Board | 1924-25 |
| Barr | A. | Bullfinch | Jowett | YL ● 15 | Yilgarn Road Board | 1925-26 |
| Barr | A. | Bullfinch | Willys-Knight | YL ● 22 | Yilgarn Road Board | 1925-26 |
| Barr | A. | Bullfinch | Willys-Knight | YL ● 22 | Yilgarn Road Board | 1926-27 |
| Barr | E. | Korbel | Chevrolet | MD ● 118 | Merredin Road Board | 1924-25 |
| Barr | E. | Korbel | Chevrolet | MD ● 118 | Merredin Road Board | 1925-26 |
| Barr | E. | Korbel | Chevrolet | MD ● 118 | Merredin Road Board | 1926-27 |
| Barr | J. | Quairading | Dodge | Q ● 16 | Quairading Road Board | 1922-23 |
| Barr | J. | Quairading | Dodge | Q ● 16 | Quairading Road Board | 1923-24 |
| Barr | J. | Quairading | Dodge | Q ● 8 | Quairading Road Board | 1925-26 |
| Barr | J. | Quairading | Dodge | Q ● 16 | Quairading Road Board | 1925-26 |
| Barr | J. | Quairading | Ford Truck | Q ● 138 | Quairading Road Board | 1925-26 |
| Barr | J. | Quairading | Chevrolet Truck | Q ● 224 | Quairading Road Board | 1926-27 |
| Barr | J. | Quairading | Dodge | Q ● 8 | Quairading Road Board | 1926-27 |
| Barr | J. | Uairading | Chevrolet Truck | Q ● 224 | Quairading Road Board | 1927-28 |
| Barr | J. E. | 103 Seventh Avenue, Maylands | Overland | 5210 | Metro Private Car | 1926-27 |
| Barr | J. E. | 103 Seventh Avenue, Maylands | Overland | 5210 | Metro Private Car | 1925-26 |
| Barr | J. E. | 103 Seventh Avenue, Maylands | Morris Cowley | 5210 | Metro Private Car | 1927-28 |
| Barr | James | Quairading | Ford 20 H.P. | AV ● - | Avon Road Board | 1917-18 |
| Barr | James | Quairading | Ford 20 H.P. | AV ● 16 | Avon Road Board | 1919 |
| Barr | James | Quairading | Dodge | Q ● 8 | Quairading Road Board | 1924-25 |
| Barr | M. E. | Baandee | Chevrolet | MD ● 118 | Merredin Road Board | 1927-28 |
| Barr Bros | - | Quairading | Vauxhall | Q ● 16 | Quairading Road Board | 1924-25 |
| Barr Bros | - | Quairading | Ford | Q ● 10 | Quairading Road Board | 1926-27 |
| Barr Bros | - | Quairading | Dodge | Q ● 16 | Quairading Road Board | 1926-27 |
| Barr Bros | - | Quairading | Dodge | Q ● 8 | Quairading Road Board | 1927-28 |
| Barr Bros | - | Quairading | Ford | Q ● 10 | Quairading Road Board | 1927-28 |
| Barr Bros | - | Quairading | Dodge | Q ● 16 | Quairading Road Board | 1927-28 |
