| Bay | A. M. | 202 Heytesbury Road, Subiaco | Federal | 3662 | Metro Hire or Trade | 1927-28 |
| Bay | A. M. | 202 Heytesbury Road, Subiaco | Chevrolet Truck | 10459 | Metro Hire or Trade | 1927-28 |
| Bay | B. | 202 Heytesbury Road, Subiaco | Dort | 9127 | Metro Private Car | 1925-26 |
| Bay | B. | 202 Heytesbury Road, Subiaco | Dort | 9127 | Metro Private Car | 1926-27 |
| Bay | Bessie | 917 Hay Street, Perth | Fiat | 14672 | Metro Private Car | 1927-28 |
| Bay Motor Delivery | - | 202 Heytesbury Road, Subiaco | Ford Wagon | 3429 | Metro Hire or Trade | 1925-26 |
| Bay's Motor Delivery Services | - | 380 Murray Street, Perth | Latitle Wagon | 10563 | Metro Hire or Trade | 1927-28 |
| Bayler | S. L. | 5 Woodsome Street, Mount Lawley | Morris-Cowley | 8602 | Metro Private Car | 1925-26 |
| Bayler | S. L. | 5 Woodsome Street, Mount Lawley | Morris-Cowley | 8602 | Metro Private Car | 1926-27 |
| Bayley | Fred | Denmark | Ford | DE ● 35 | Denmak Road Board | 1926-27 |
| Bayley | H. E. E. | Tuckanarra | Overland | NN ● 11 | Nannine Road Board | 1925-26 |
| Bayley | H. E. E. | Tuckanarra | Overland | NN ● 11 | Nannine Road Board | 1926-27 |
| Bayley | H. E. E. | Tuckanarra | Overland | NN ● 11 | Nannine Road Board | 1927-28 |
| Bayley | H. J. | 1112 Hay Street, Perth | Overland | 5708 | Metro Private Car | 1924-25 |
| Bayley | H. J. | 78 Georges Street, West Perth | Dodge | 5585 | Metro Private Car | 1925-26 |
| Bayley | H. J. | 1112 Hay Street, Perth | Overland | 5708 | Metro Private Car | 1925-26 |
| Bayley | N. F. | Denmark | Ford | DE ● 35 | Denmark Road Board | 1927-28 |
| Bayley | R. | Cliffton Street, Collie | B.S.A. 4 H.P. | CM 24 | Collie Municipality | 1919 |
| Bayley | R. | Collie | Chevrolet | CM 165 | Collie Municipality | 1927-28 |
| Bayley | W. E E. | Tuckanarra | Overland | NN ● 11 | Nanine Road Board | 1923-24 |
| Bayley Bros | - | Denmark | Ford Wagon | DE ● 12 | Denmark Road Board | 1924-25 |
| Bayley Bros | - | Denmark | Ford Truck | DE ● 12 | Denmark Road Board | 1925-26 |
| Bayley Bros | - | Denmark | Ford Truck | DE ● 12 | Denmak Road Board | 1926-27 |
| Bayley Bros | - | Denmark | Ford Truck | DE ● 12 | Denmark Road Board | 1927-28 |
| Bayley Bros | - | Denmark | Chevrolet | DE ● 50 | Denmark Road Board | 1927-28 |
| Baylis | R. | Meekatharra | Ford | 7299 | Metro Private Car | 1926-27 |
| Bayliss | D. | Coomberdale | Ford | M ● 53 | Moora Road Board | 1924-25 |
| Bayliss | D. | Coomberdale | Ford | M ● 53 | Moora Road Board | 1925-26 |
| Bayliss | D. | Coomberdale | Ford | M ● 53 | Moora Road Board | 1926-27 |
| Bayliss | D. | Coomberdale | Ford | M ● 53 | Moora Road Board | 1927-28 |
| Bayliss | Dave | Coomberdale | Ford | M ● 52 | Moora Road Board | 1923-24 |
| Bayliss | E. B. | 13 Pier Street, Perth | Essex | 14021 | Metro Private Car | 1926-27 |
| Bayliss | E. B. | 13 Pier Street, Perth | Essex | 14021 | Metro Private Car | 1927-28 |
| Bayliss | E. I. | Dandaragan | Chevrolet | DN ● 20 | Dandaragan Road Board | 1927-28 |
| Bayliss | R. | 145 Edward Street, East Perth | Buick | 1546 | Metro Private Car | 1927-28 |
| Bayliss | R. | 31 Hopetoun Terrace, West Subiaco | Ford | 7771 | Metro Private Car | 1927-28 |
| Bayliss | Robert | Corrigin | Buick | CR ● 285 | Corrigin Road Board | 1927-28 |
| Bayly | Rachael | 2 Northfolk Street, North Perth | Singer | 834 | Metro Private Car | 1927-28 |
| Bayman | C. | 18 Myrtle Street | Bradbury 4¼ H.P. Motorcycle | P 740 | Perth Municipality | 1919 |
| Bayman | Mr | 18 Myrtle Street | Bradbury 4¼ H.P. Motorcycle | P 740 | Perth Municipality | 1917-18 |
| Bays Delivery Service | - | 376 Murray Street, Perth | Federal | 3750 | Metro Hire or Trade | 1925-26 |
| Bays Delivery Service | - | 202 Heytesbury Road, Subiaco | Federal | 8528 | Metro Private Car | 1925-26 |
| Bays Delivery Service | - | 202 Heytesbury Road, Subiaco | Federal | 8529 | Metro Private Car | 1925-26 |
| Bays Delivery Service | - | 202 Heytesbury Road, Subiaco | Federal | 8528 | Metro Private Car | 1926-27 |
| Bays Delivery Service | - | 202 Heytesbury Road, Subiaco | Federal | 8529 | Metro Private Car | 1926-27 |
| Bays Delivery Service | - | 376 Murray Street, Perth | Federal | 3750 | Metro Hire or Trade | 1927-28 |
| Bays Delivery Service | - | Murray Street, Perth | Rugby Van | 10708 | Metro Hire or Trade | 1927-28 |
| Bays Delivery Service | - | Murray Street, Perth | Rugby Van | 10709 | Metro Hire or Trade | 1927-28 |
| Bays Delivery Service | - | Perth | Federal-Knight Wagon | 10739 | Metro Hire or Trade | 1927-28 |
| Bays Delivery Services | - | 376 Murray Street, Perth | Federal | 3750 | Metro Hire or Trade | 1926-27 |
