| Bothe | Mrs E. W. | Coorow | Essex | CA ● 24 | Carnamah Road Board | 1927-28 |
| Bothe Bros | - | Coorow | Essex | MI ● 20 | Mingenew Road Board | 1922-23 |
| Bothe Bros | - | Coorow | Essex | CA ● 25 | Carnamah Road Board | 1924-25 |
| Bothe Bros | - | Coorow | Essex | CA ● 25 | Carnamah Road Board | 1925-26 |
| Bothe Bros | - | Coorow | Fiat | CA ● 25 | Carnamah Road Board | 1926-27 |
| Bothe Bros. | - | Coorow | Essex | MI ● 20 | Mingenew Road Board | 1923-24 |
| Bothwell | B. | Bruce Rock | Ford | BK ● 60 | Bruce Rock Road Board | 1922-23 |
| Bothwell | B. | Merredin | Ford | MD ● 24 | Merredin Road Board | 1923-24 |
| Bothwell | B. | 9 Duke Street, Subiaco | Cleveland | 6496 | Metro Private Car | 1924-25 |
| Bothwell | B. | 14 Stuart Street, Perth | Ford | 1560 | Metro Private Car | 1925-26 |
| Bott | B. | 12 Hyde Street, North Perth | B.S.A. 2¼ H.P. Motorcycle Motorcycle | P 890 | Perth Municipality | 1917-18 |
| Bott | B. G. | 12 Hyde Park North Perth | Chevrolet | 5252 | Metro Private Car | 1926-27 |
| Bott | B. G | 12 Hyde Street, North Perth | Chevrolet | 5252 | Metro Private Car | 1927-28 |
| Bott | B. G. | 12 Hyde Street, North Perth | B.S.A. 4¼ H.P. Motorcycle | P 890 | Perth Municipality | 1919 |
| Bott | B. G. | 12 Hyde Street, North Perth | Chevrolet | 5252 | Metro Private Car | 1924-25 |
| Bott | B. G. | 12 Hyde Street, North Perth | Chevrolet | 5252 | Metro Private Car | 1925-26 |
| Bott | C. | Bridgetown | Chevrolet | B ● 87 | Bridgetown Road Board | 1925-26 |
| Bott | C. | Bridgetown | Chevrolet | B ● 87 | Bridgetown Road Board | 1926-27 |
| Bott | C. A. | Leonora | Chevrolet | LM ● 4 | Leonora-Malcolm Road Board | 1924-25 |
| Bott | C. A. | Bridgetown | Erskine | B ● 126 | Bridgetown Road Board | 1927-28 |
| Bott | E. S. | Katanning | Chevrolet | KA ● 263 | Katanning Road Board | 1926-27 |
| Bott | E. S. | Katanning | Chevrolet | KA ● 263 | Katanning Road Board | 1927-28 |
| Bott | L. C. | 9 Nanhob Street, Mount Lawley | Willys-Knight | 4774 | Metro Private Car | 1926-27 |
| Bott | L. C. | 82 Lawley Crescent, Mount Lawley | Willys-Knight | 4774 | Metro Private Car | 1927-28 |
| Bott | R. A. | National Bank Subiaco | Oakland | 13278 | Metro Private Car | 1927-28 |
| Bott | R. C. | Leonora | B.S.A. 4 H.P. Motorcycle | ML ● 23 | Leonora-Malcolm Road Board | 1917-18 |
| Bott | R. C. | Kojonup | Buick 25 H.P. | KO 16 | Kojonup Road Board | 1919 |
| Bott | R. C. | Williams | Buick Four | WL ● 2 | Williams Road Board | 1922-23 |
| Bott | R. C. | Williams | Buick Four | WL ● 2 | Williams Road Board | 1923-24 |
| Bott | R. C. | Williams | Oakland | WL ● 3 | Williams Road Board | 1924-25 |
| Bott | R. C. | Williams | Oakland | WL ● 3 | Williams Road Board | 1925-26 |
| Bott | R. C. | National Bank Subiaco | Oakland | 13278 | Metro Private Car | 1926-27 |
| Bott | R. E. | 42 Bronte Street, East Perth | Rudge-Multi 3½ H.P. Motorcycle | P 664 | Perth Municipality | 1919 |
| Bott | R. E. | 28 Bronte Street, East Perth | Chevrolet | 13890 | Metro Private Car | 1926-27 |
| Bott | R. R. | Manjimup | Douglas 2½ H.P. Motorcycle | WA ● 16 | Warren Road Board | 1919 |
| Bott | R. R. | 42 Bronte Street, East Perth | New Hud. & Sidecar | 891 | Metro Motorcycle | 1922-23 |
| Bott | R. R. | 42 Broute Street, East Perth | Overland | 4898 | Metro Private Car | 1923-24 |
| Botterill | R. | Tootra, Moora | Ford | M ● 25 | Moora Road Board | 1917-18 |
| Botterill | R. | Tootra, Moora | Ford | M 25 | Moora Road Board | 1919 |
| Botterill | R. C. | "Toota" Walebing | Ford 20 H.P. | M ● 25 | Moora Road Board | 1922-23 |
| Botterill | R. C. | Tootra, Walebing | Ford 20 H.P. | M ● 25 | Moora Road Board | 1923-24 |
| Bottrill | I. | Pingelly | Ford | PN ● 48 | Pingelly Road Board | 1923-24 |
| Bottrill | L. | Pingelly | Ford | PN ● 48 | Pingelly Road Board | 1924-25 |
| Boucaut | P. | Boyanup | Chevrolet | CP ● 89 | Capel Road Board | 1927-28 |
| Boucher | J. | Dumbleyung | Ford 20 H.P. | DU ● 21 | Dumbleyung Road Board | 1922-23 |
| Boucher | J. | Dumbleyung | Ford 20 H.P. | DU ● 21 | Dumbleyung Road Board | 1923-24 |
| Boucher | J. | Dumbleyung | Maxwell | DU ● 21 | Dumbleyung Road Board | 1924-25 |
| Boucher | J. | Dumbleyung | Maxwell | DU ● 21 | Dumbleyung Road Board | 1925-26 |
| Boucher | J. | Northam | Guy | N ● 36 | Northam Road Board | 1925-26 |
| Boucher | J. | Dumbleyung | Maxwell | DU ● 21 | Dumbleyung Road Board | 1926-27 |
