| Bagley | R. | Lefroy Road, Beaconsfield | Whippet | 15821 | Metro Private Car | 1927-28 |
| Bagley | R. W. | 200 Lefroy Road, Fremantle | Overland | 8936 | Metro Private Car | 1926-27 |
| Bagley | W. V. | 88 Nicholson Road, Subiaco | Reo Truck | 10671 | Metro Hire or Trade | 1927-28 |
| Bagot Shakes & Lewis | - | 31 Barrack Street, Perth | Dodge | 5964 | Metro Private Car | 1924-25 |
| Bagot Shakes & Lewis | - | Barrack Street, Perth | Dodge | 6264 | Metro Private Car | 1924-25 |
| Bagot Shakes & Lewis | - | 31 Barrack Street, Perth | Dodge | 5823 | Metro Private Car | 1924-25 |
| Bagshaw | J. S. | Bridgetown | Dodge | B ● 119 | Bridgetown Road Board | 1926-27 |
| Bagshaw | J. S. | Bridgetown | Dodge | B ● 119 | Bridgetown Road Board | 1927-28 |
| Bagshaw | Mrs A. | Welbunging | Dodge | MM 25 | Mount Marshall Road Board | 1924-25 |
| Bagshaw | Mrs A. | Welbunging | Chevrolet | MM ● 25 | Mount Marshall Road Board | 1925-26 |
| Bagshaw | Mrs A. | Welbunging | Chevrolet | MM ● 25 | Mount Marshall Road Board | 1926-27 |
| Bagshaw | Mrs A. | Welbungin | Chevrolet | MM ● 25 | Mount Marshall Road Board | 1927-28 |
| Bagshaw | W. | Welbungin | Ford Truck | MM ● 149 | Mount Marshall Road Board | 1927-28 |
| Baguley | R. W. | 200 Lefroy Road, Fremantle | Overland | 8936 | Metro Private Car | 1927-28 |
| Bahr | A. | Dumbleyung | Overland | DU ● 29 | Dumbleyung Road Board | 1923-24 |
| Bahr | A. | Dumbleyung | Overland | DU ● 29 | Dumbleyung Road Board | 1926-27 |
| Bahr | A. | Dumbleyung | Overland | DU ● 29 | Dumbleyung Road Board | 1927-28 |
| Bahr | H. | Dumbleyung | Chevrolet | DU ● 208 | Dumbleyung Road Board | 1927-28 |
| Bahr | H. V. | Dumbleyung | B.S.A. 4¼ H.P. Motorcycle | DU ● 13 | Dumbleyung Road Board | 1919 |
| Bahr | Miss E. | Dumbleyung | Dodge | DU ● 163 | Dumbleyung Road Board | 1927-28 |
| Bahr Bros | - | Dumbleyung | Dodge | DU ● 64 | Dumbleyung Road Board | 1926-27 |
| Bahr Bros | - | Dumbleyung | Studebaker | DU ● 64 | Dumbleyung Road Board | 1927-28 |
| Baideck | A. W. | 93 Blencowe Street, West Leederville | Federal Char | 3614 | Metro Hire or Trade | 1925-26 |
| Baids Co Ltd | - | Perth | Crossley | 4303 | Metro Private Car | 1924-25 |
| Baids Co Ltd | - | Perth | Ford | 4304 | Metro Private Car | 1924-25 |
| Baids Co Ltd | - | Perth | Ford Wagon | 4305 | Metro Private Car | 1924-25 |
| Baike | L. M. | Quairading | Oakland | Q ● 20 | Quairading Road Board | 1926-27 |
| Baikie | L. M. | Quairading | Ford | Q ● 34 | Quairading Road Board | 1922-23 |
| Baikie | L. M. | Quairading | Oakland | Q ● 34 | Quairading Road Board | 1923-24 |
| Baikie | L. M. | Quairading | Oakland | Q ● 20 | Quairading Road Board | 1925-26 |
| Baikie | L. M. | Quairading | Oakland | Q ● 20 | Quairading Road Board | 1927-28 |
| Bail | A. | Katanning | Ford | KA ● 137 | Katanning Road Board | 1926-27 |
| Bail | J. H. | Narrikup | Ford | PL ● 12 | Plantagenet Road Board | 1927-28 |
| Bail | J. L. | Gnowangerup | Chevrolet | GN ● 46 | Gnowangerup Road Board | 1925-26 |
| Bailantyne | A. L. | City Markets, Wellington Street, Perth | Cleveland | 6496 | Metro Private Car | 1926-27 |
| Bailce | Doris | 122 Carr Street, West Perth | Swift | 5900 | Metro Private Car | 1926-27 |
| Baile | A. A. | 155 Walcott Street, Mount Lawley | Chevrolet | 7510 | Metro Private Car | 1926-27 |
| Baile | A. A. | 155 Walcott Street, Mount Lawley | Erskine | 3033 | Metro Hire or Trade | 1927-28 |
| Baile | A. A. | 155 Walcott Street, Mount Lawley | Chevrolet | 7510 | Metro Private Car | 1927-28 |
| Baile | A. H. | 166 Beaufort Street | Triumph 3½ H.P. Motorcycle | P 92 | Perth Municipality | 1915 |
| Baile | H. A. | 30 Stone Street | Studebaker 20 H.P. | P 180 | Perth Municipality | 1916 |
| Baile | H. A. | 30 Stone Street | Standard 12 H.P. | P 180 | Perth Municipality | 1917-18 |
| Baile | H. A. | Stone Street | Standard 12 H.P. | P 180 | Perth Municipality | 1919 |
| Baile | H. A. | 155 Walcott Street, Mount Lawley | Paige | 10010 | Metro Hire or Trade | 1926-27 |
| Baile | H. A. | 155 Walcott Street, Mount Lawley | Paige | 10010 | Metro Hire or Trade | 1927-28 |
| Baile | S. W. | Manjimup | Ford | WA ● 157 | Manjimup Road Board | 1926-27 |
| Baile | W. A. | 30 Stone Street, West Perth | Standard 12-16 H.P. | P 285 | Perth Municipality | 1916 |
| Bailee | Doris | 122 Carr Street, West Perth | Swift | 5900 | Metro Private Car | 1927-28 |
| Bailer | L. M. E. | Merredin | Ford | MD ● 157 | Merredin Road Board | 1926-27 |
| Bailey | A. | Narrogin | Chevrolet | NO ● 46 | Narrogin Road Board | 1925-26 |
