| Byfield & Co | - | Fitzgerald Street | Dodge | N 113 | Northam Municipality | 1927-28 |
| Byfiled | A. W. | Gordon Street | Dodge | N 60 | Northam Municipality | 1919 |
| Bylefield | G. W. | Mount Barker | Ford | PL ● 110 | Plantagenet Road Board | 1927-28 |
| Byleveld | J. | Wickepin | Ford | WK ● 186 | Wickepin Road Board | 1926-27 |
| Byng | J. R. | - | Car | CB 10 | Cottesloe Beach Road Board | 1916 |
| Bynon | W. | Bullfinch | Ford 20 H.P. | YL ● 21 | Yilgarn Road Board | 1919 |
| Bynon | W. | Arthur River | Ford | AW ● 28 | West Arthur Road Board | 1924-25 |
| Bynon | W. | Arthur River | Ford | AW ● 28 | West Arthur Road Board | 1925-26 |
| Byrd | F. | Harvey | Ford Truck | H ● 64 | Harvey Road Board | 1923-24 |
| Byrd | F. | Harvey | Ford Truck | H ● 64 | Harvey Road Board | 1924-25 |
| Byrd | F. | Harvey | Ford Truck | H ● 64 | Harvey Road Board | 1925-26 |
| Byrd | F. | Harvey | Ford Truck | H ● 64 | Harvey Road Board | 1926-27 |
| Byrd | F. | Harvey | Chevrolet Truck | H ● 220 | Harvey Road Board | 1927-28 |
| Byrne | Doris | Commercial Hotel, Midland Junction | Dodge | 7916 | Metro Private Car | 1926-27 |
| Byrne | Dorris | Commercial Hotel, Midland Junction | Dodge | 7916 | Metro Private Car | 1925-26 |
| Byrne | Dr | Egan Street, Kalgoorlie | Dodge | KMC 199 | Kalgoorlie Municipal Council | 1926-27 |
| Byrne | Dr | Egan Street, Kalgoorlie | Jewett | KMC 199 | Kalgoorlie Municipal Council | 1927-28 |
| Byrne | Dr T. | 55 Egan Street | Overland | KMC 199 | Kalgoorlie Municipal Council | 1925-26 |
| Byrne | E. K. | Three Springs | Overland Truck | CA ● 81 | Carnamah Road Board | 1926-27 |
| Byrne | E. K. | Three Springs | International Truck | CA ● 81 | Carnamah Road Board | 1927-28 |
| Byrne | F. J. | Three Springs | Overland Truck | CA ● 82 | Carnamah Road Board | 1926-27 |
| Byrne | H. J. | Newcastle Road, Midland Junction | Chevrolet | 12059 | Metro Private Car | 1926-27 |
| Byrne | Jno. | Wickepin | Dodge | WK ● 46 | Wickepin Road Board | 1926-27 |
| Byrne | Jno. | Wickepin | Dodge | WK ● 46 | Wickepin Road Board | 1927-28 |
| Byrne | L. | Holyoake | Chevrolet | MY ● 130 | Murray Road Board | 1927-28 |
| Byrne | L. C. | Three Springs | Nash | CA ● 73 | Carnamah Road Board | 1926-27 |
| Byrne | L. C. | Three Springs | Nash | CA ● 73 | Carnamah Road Board | 1927-28 |
| Byrne | L. M. | 15 Goldsmith Road, Claremont | Oakland | 1062 | Metro Private Car | 1923-24 |
| Byrne | L. M. | 15 Goldsmith Road, Claremont | Oakland | 1062 | Metro Private Car | 1924-25 |
| Byrne | L. N. | - | oakland | 1062 | Metro Private Car | 1922-23 |
| Byrne | Miss L. | Guildford Hotel, Guildford | Citroen | 14634 | Metro Private Car | 1927-28 |
| Byrne | Mrs D. | Commercial Hotel, Midland Junction | Dodge | 104 | Metro Private Car | 1927-28 |
| Byrne | Robt. | Three Springs | Ford 20 H.P. | IU ● 2 | Upper Irwin Road Board | 1917-18 |
| Byrne | S. | Wyalkatchem | Dodge | WM ● 112 | Wyalkatchem Road Board | 1925-26 |
| Byrne | S. | Wyalkatchem | Dodge | WM ● 112 | Wyalkatchem Road Board | 1926-27 |
| Byrne | S. | Wyalkatchem | Dodge | WM ● 112 | Wyalkatchem Road Board | 1927-28 |
| Byrne | T. H. | Three Springs | Dodge | CA ● 201 | Carnamah Road Board | 1927-28 |
| Byrnes | J. C. | Mandurah | Dodge | MY ● 68 | Murray Road Board | 1924-25 |
| Byrnes | J. C. | Mandurah | Dodge | MY ● 68 | Murray Road Board | 1925-26 |
| Byrnes | J. C. | Mandurah | Dodge | MY ● 68 | Murray Road Board | 1926-27 |
| Byron | H. | c/o Western Australian Office | B.S.A. 3½ H.P. Motorcycle | P 1221 | Perth Municipality | 1919 |
| Byron | H. | 111 Colin Street, Perth | B.S.A. | 13 | Metro Motorcycle | 1922-23 |
| Bywater | W. F. | Booralaming | Ford | D ● 8 | Dowerin Road Board | 1924-25 |
| Bywater | W. F. | Booralaming | Maxwell | D ● 8 | Dowerin Road Board | 1925-26 |
| Bywater | W. F. | Booralaming | Maxwell | D ● 8 | Dowerin Road Board | 1926-27 |
| Bywater | W. F. | Booralaming | Maxwell | D ● 8 | Dowerin Road Board | 1927-28 |
| Bywater | William F. | Booralaming | Ford 19 H.P. | D ● 8 | Dowerin Road Board | 1923-24 |
| Bywater | Wm. F. | Booralaming | Ford 19 H.P. | D ● 8 | Dowerin Road Board | 1922-23 |
| Bywater Bros | - | Korrelocking | Ford | WM ● 46 | Wyalkatchem Road Board | 1925-26 |
| Bywaters | A. E. | Boyanup | Ford | CP ● 77 | Capel Road Board | 1927-28 |
