| Bosenburg | E. W. | Wagin | Buick Truck | W ● 139 | Wagin Road Board | 1927-28 |
| Bosich | J. | Leonora | Overland Truck | LM ● 65 | Leonora-Malcolm Road Board | 1927-28 |
| Bosley | T. G. D. | 25 Moir Street, Perth | Renault | 1435 | Metro Private Car | 1923-24 |
| Boss | T. H. | Narembeen | Ford Wagon | NB ● 89 | Narembeen Road Board | 1927-28 |
| Bostock | G. | 53 Esplanade South Perth | Fiat | 13433 | Metro Private Car | 1926-27 |
| Bostock | G. | 53 Esplanade South Perth | Fiat | 13433 | Metro Private Car | 1927-28 |
| Bostock | G. H. | Pingelly | Triumph 4 H.P. Motorcycle | PN ● 14 | Pingelly Road Board | 1917-18 |
| Bostock | G. H. | Pingelly West | Triumph 4 H.P. | PN ● 14 | Pingelly Road Board | 1919 |
| Bostock | G. H. | Pingelly West | Dodge 20 H.P | PN ● 47 | Pingelly Road Board | 1922-23 |
| Bostock | G. H. | Pingelly East | Triumph 4 H.P. Motorcycle | PN ● 14 | Pingelly Road Board | 1922-23 |
| Bostock | G. H. | West Pingelly | Nash | PN ● 47 | Pingelly Road Board | 1923-24 |
| Bostock | G. H. | West Pingelly | Nash | PN ● 47 | Pingelly Road Board | 1924-25 |
| Bostock | G. H. | West Pingelly | Nash | PN ● 47 | Pingelly Road Board | 1924-25 |
| Bostock | G. H. | West Pingelly | Nash | PN ● 47 | Pingelly Road Board | 1925-26 |
| Bostock | G. H. | West Pingelly | Nash | PN ● 47 | Pingelly Road Board | 1927-28 |
| Bostock | H. | - | Triumph 4 H.P. | PY 14 | Pingelly Road Board | 1915 |
| Boston | E. G. | Palmerston Street, Perth | Dodge | 4364 | Metro Private Car | 1927-28 |
| Boston | H. A. | 9 Regent Street, Mount Lawley | Nash | 789 | Metro Private Car | 1925-26 |
| Bostook | H. P. | Wyalkatchem | Dodge | WM ● 239 | Wyalkatchem Road Board | 1926-27 |
| Bostrock | F. H. | Kojonup | Chevrolet | KO ● 188 | Kojonup Road Board | 1927-28 |
| Bosustow | A. | Boulder | Precision 3 H.P. Motorcycle | BMC 23 | Boulder Municipality | 1915 |
| Bosustow | A. | Boulder | Touring 15 H.P. | BMC 6 | Boulder Municipality | 1917-18 |
| Bosustow | A. | Burt Street, Boulder | Studebaker | B 22 | Boulder Municipality | 1924-25 |
| Bosustow | A. | Burt Street, Boulder | Studebaker | B 22 | Boulder Municipality | 1925-26 |
| Bosustow | A. | Burt Street, Boulder | Studebaker | B 22 | Boulder Municipality | 1926-27 |
| Bosustow | Arthur | 219 Burt Street, Boulder | B.S.A. Motorcycle | B 19 | Boulder Municipality | 1922-23 |
| Boswell | F. J. | 3 Vincent Street, Perth | Morris-Cowley | 11378 | Metro Private Car | 1926-27 |
| Boswell | F. J. | 3 Vincent Street, Perth | Morris-Cowley | 11378 | Metro Private Car | 1927-28 |
| Boswell | J. | 3 Vincent Street, Perth | Ford Wagon | 4841 | Metro Private Car | 1924-25 |
| Boswell | J. | 3 Vincent Street, Perth | Ford Wagon | 4841 | Metro Private Car | 1925-26 |
| Boswell | J. | 3 Vincent Street, Perth | Ford Wagon | 4841 | Metro Private Car | 1926-27 |
| Boswell | Joseph | 3 Vincent Street, Perth | Ford Wagon | 4841 | Metro Private Car | 1923-24 |
| Boswell | R. | Synnot Esperance | Flanders 20 H.P. | E ● 2 | Esperance Road Board | 1922-23 |
| Boswell | R. | Synnot, Esperance | Flanders 20 H.P. | E ● 2 | Esperance Road Board | 1923-24 |
| Bosworth | A. | Brookton | Dodge | BO ● 78 | Brookton Road Board | 1927-28 |
| Bosworth | E. | 182 Marmion Street, East Fremantle | Chevrolet | 12251 | Metro Private Car | 1926-27 |
| Bosworth | E. | 182 Marmion Street, East Fremantle | Chevrolet | 12251 | Metro Private Car | 1927-28 |
| Bosworth | J. | 44 Claisebrook Road, East Perth | Ford | 6743 | Metro Private Car | 1925-26 |
| Bosworth | J. H. W. | Tinkurrin | Dodge | WK ● 78 | Wickepin Road Board | 1924-25 |
| Bosworth | Mrs S. | Tincurrin | Dodge | WK ● 78 | Wickepin Road Board | 1925-26 |
| Bosworth | Mrs S. | Tinkurrin | Dodge | WK ● 78 | Wickepin Road Board | 1926-27 |
| Bosworth | Mrs S. | Tinkurrin | Dodge | WK ● 78 | Wickepin Road Board | 1927-28 |
| Bothe | - | Coorow | Fiat | CA ● 25 | Carnamah Road Board | 1927-28 |
| Bothe | B. | Coorow | Fiat | CA ● 145 | Carnamah Road Board | 1926-27 |
| Bothe | B. | Coorow | Bean Truck | CA ● 145 | Carnamah Road Board | 1927-28 |
| Bothe | C. C. | Coorow | Fiat | CA ● 71 | Carnamah Road Board | 1926-27 |
| Bothe | C. C. | Coorow | Fiat | CA ● 71 | Carnamah Road Board | 1927-28 |
| Bothe | Mrs E. W. | Coorow | Essex | CA ● 24 | Carnamah Road Board | 1924-25 |
| Bothe | Mrs E. W. | Coorow | Essex | CA ● 24 | Carnamah Road Board | 1925-26 |
| Bothe | Mrs E. W. | Coorow | Essex | CA ● 24 | Carnamah Road Board | 1926-27 |