| Williams | J. | Lake Grace | Ford Truck | LG ● 28 | Lake Grace Road Board | 1926-27 |
| Williams | J. | Lake Grace | Ford Truck | LG ● 28 | Lake Grace Road Board | 1927-28 |
| Williams | J. F. | 51 First Avenue, Mount Lawley | Studebaker 20 H.P. | P 432 | Perth Municipality | 1919 |
| Williams | J. F. | - | Studebaker | P ● 432 | Perth Road Board | 1919 |
| Williams | J. F. | 51 1st Avenue, Mount Lawley | Studebaker | 3122 | Metropolitan Hire and Trade Cars | 1923-24 |
| Williams | J. F. | 51 First Avenue, Mount Lawley | Studebaker | 3122 | Metro Private Car | 1924-25 |
| Williams | Ken | Northampton | Hudson | NR ● 158 | Northampton Road Board | 1927-28 |
| Williams | Kenneth | Northampton | Chevorlet 18 H.P. | NR ● 12 | Northampton Road Board | 1922-23 |
| Williams | Kenneth | Northampton | Chevrolet 18 H.P. | NR ● 12 | Northampton Road Board | 1923-24 |
| Williams | Roy | Doodlakine | Rugby | KE ● 283 | Kellerberrin Road Board | 1926-27 |
| Williams | Roy | Doodlakine | Rugby | KE ● 283 | Kellerberrin Road Board | 1927-28 |
| Williams | S. | Tammin | Ford | ME ● 94 | Meckering Road Board | 1923-24 |
| Williams | S. | Tammin | Ford | ME ● 94 | Meckering Road Board | 1924-25 |
| Williams | S. | Tammin | Ford | ME ● 94 | Meckering Road Board | 1925-26 |
| Williams | S. | Tammin | Ford | ME ● 94 | Meckering Road Board | 1926-27 |
| Williams | S. | Meckering | Brockway Truck | ME ● 302 | Meckering Road Board | 1927-28 |
| Williams | S. | Meckering | Ford | ME ● 94 | Meckering Road Board | 1927-28 |
| Williams | T. | 159 Barker Road, Subiaco | Overland 25 H.P. | P 390 | Perth Municipality | 1917-18 |
| Williams | T. C. | Kukerin | Chevrolet Truck | DU ● 182 | Dumbleyung Road Board | 1927-28 |
| Williams | T. V. | Moodiarrup | Studebaker | AW ● 29 | West Arthur Road Board | 1924-25 |
| Williams | T. V. | Moodiarrup | Studebaker | AW ● 29 | West Arthur Road Board | 1925-26 |
| Williams | T. V. | Moodiarrup | Studebaker | AW ● 29 | West Arthur Road Board | 1926-27 |
| Williams | T. V. | Moodiarrup | Studebaker | AW ● 29 | West Arthur Road Board | 1927-28 |
| Williams | W. H. | Coode Street, Bayswater | Studebaker | 8026 | Metro Private Car | 1925-26 |
| Williams | W. H. | Coode Street, Bayswater | Studebaker | 8026 | Metro Private Car | 1926-27 |
| Williams & Son | S. | 75 Rokeby Road, Subiaco | Ford Wagon | 6634 | Metro Private Car | 1925-26 |
| Williams & Son | S. | 75 Rokeby Road, Subiaco | Ford Wagon | 6634 | Metro Private Car | 1926-27 |
| Williams & Son | S. | 75 Rokeby Road, Subiaco | Ford Wagon | 6634 | Metro Private Car | 1927-28 |
| Williamson | D. L. | 326 Rokeby Road | Motorcycle | S 117 | Subiaco Municipality | 1917-18 |
| Williamson | D. L. | 175 Rokeby Road | - | S 117 | Subiaco Municipality | 1919 |
| Williamson | G. | Keymer Street, Belmont | Indian Scout | 57 | Metro Motorcycle | 1922-23 |
| Williamson | J. | Waroona | Chevrolet Truck | DK ● 39 | Drakesbrook Road Board | 1927-28 |
| Williamson | K. R. | Narrikup | Studebaker | PL ● 118 | Plantagenet Road Board | 1924-25 |
| Williamson | T. G. | Kellerberrin | Ford | KE ● 248 | Kellerberrin Road Board | 1926-27 |
| Williamson | T. G. | Kellerberrin | Ford | KE ● 248 | Kellerberrin Road Board | 1927-28 |
| Williamson | W. J. | Holyoake | Ford | MY ● 138 | Murray Road Board | 1927-28 |
| Willis | A. B. G. | Mount Barker | Rugby | PL ● 69 | Plantagenet Road Board | 1927-28 |
| Willis | Archibald B. G. | Mount Barker | Ford | PL ● 87 | Plantagenet Road Board | 1924-25 |
| Willis | Sydney AmBrose | Mount Barker | Dodge 23 H.P. | PL ● 18 | Plantagenet Road Board | 1922-23 |
| Willis | Sydney Ambrose | Mount Barker | Dodge 23 H.P. | PL ● 18 | Plantagenet Road Board | 1923-24 |
| Williss | Archibald B. G. | Mount Barker | Ford | PL ● 87 | Plantagenet Road Board | 1923-24 |
| Williss | G. H. E. | Mount Barker | Ford | PL ● 57 | Plantagenet Road Board | 1927-28 |
| Williss | S. A. | Mount Barker | Dodge | PL ● 18 | Plantagenet Road Board | 1927-28 |
| Williss | Sydney Ambrose | Mount Barker | Dodge | PL ● 18 | Plantagenet Road Board | 1924-25 |
| Willock | K. | Lake Grace | Chevrolet Truck | LG ● 157 | Lake Grace Road Board | 1927-28 |
| Willocks | H. E. | Kukerin | Chevrolet Truck | DU ● 181 | Dumbleyung Road Board | 1927-28 |
| Willoughby | R. | Lake Grace | Essex | LG ● 82 | Lake Grace Road Board | 1927-28 |
| Willshire | F. | Pakenham Street. Fremantle | Citroen | 4021 | Metro Private Car | 1924-25 |
| Willshire & Feely | - | Packenham Street, Fremantle | Citroen | 4021 | Metro Private Car | 1925-26 |
| Willshire & Feely | - | Packenham Street, Fremantle | Citroen | 4021 | Metro Private Car | 1926-27 |