| Willcocks | G. | Pingrup | Hupmobile | KT ● 23 | Kent Road Board | 1927-28 |
| Willcox | G. | 14 Sixth Avenue, Maylands | Chevrolet | 2797 | Metro Private Car | 1927-28 |
| Willesden | J. | - | Studebaker | CU ● 18 | Upper Chapman Road Board | 1924-25 |
| Willesden | J. | - | Studebaker | CU ● 18 | Upper Chapman Road Board | 1925-26 |
| Willesden | J. | - | Studebaker | CU ● 18 | Upper Chapman Road Board | 1926-27 |
| Willesee | W. R. | Wyndham | Ford 20-24 H.P. | WY 1 | Wyndham Road Board | 1916 |
| Willesee | W. R. | Wyndham | Ford 20-24 H.P. | WY ● 4 | Wyndham Road Board | 1919 |
| Willesse | W. | Carnarvon | Dodge | CN 51 | Carnarvon Municipal Council | 1924-25 |
| Willesse | W. | Carnarvon | Dodge | CN 51 | Carnarvon Municipal Council | 1925-26 |
| Willesse | W. | Carnarvon | Whippet | CN 16 | Carnarvon Municipal Council | 1927-28 |
| Willey | A. H. | Albany | Chevrolet Truck | A 17 | Albany Municipality | 1927-28 |
| Willey | H. | Albany | Chevrolet Truck | A 123 | Municipality of Albany | 1926-27 |
| Willey | H. W. | Beverley | Ford | BEV 46 | Beverley Road Board | 1915 |
| Willey | H. W. | Beverley | Ford | BE 46 | Beverley Road Board | 1916 |
| Willey | W. H. | Dale Road, Beverley | Ford 20 H.P. | BE ● 46 | Beverley Road Board | 1917-18 |
| Willey | W. H. | Dale, Beverley | Ford 20 H.P. | BE ● 46 | Beverley Road Board | 1919 |
| Willey | W. H. | Dale Beverley | Ford 20 H.P. | BE ● 46 | Beverley Road Board | 1922-23 |
| Willey | W. H. | Dale, Beverley | Ford 20 H.P. | BE ● 46 | Beverley Road Board | 1923-24 |
| Willey | W. H. | Dale | Ford | BE ● 46 | Beverley Road Board | 1925-26 |
| William | Angelina | Northampton | Essex | NR ● 17 | Northampton Road Board | 1927-28 |
| William | C. B. | | Chevrolet | M ● 60 | Moora Road Board | 1926-27 |
| William | C. H. | West Road, Bassendean | Rugby | 11914 | Metro Private Car | 1927-28 |
| William | D. | Trayning | Fiat | KTY ● 116 | Kununoppin-Trayning Road Board | 1927-28 |
| William | F. A. | - | Chevrolet Truck | NA ● 74 | Nungarin Road Board | 1924-25 |
| William | George | - | N.S.U. 3½ H.P. Motorcycle | CMC 18 | Coolgardie Municipality | 1916 |
| William | H. | c/r Thomas & Rheola streets, Perth | Hudson | 1030 | Metro Private Car | 1922-23 |
| William | James | Goomalling | Dodge 25 H.P. | GO ● 32 | Goomalling Road Board | 1922-23 |
| William | M. E. | Konnongorring | Jewett | GO ● 207 | Goomalling Road Board | 1927-28 |
| William | N. | 104 Bourke Street | Ford | KMC 57 | Kalgoorlie Municipality | 1924-25 |
| William | Norman | 104 Bourke Street | Ford for Trade or Hire | KMC 57 | Kalgoorlie Municipal Council | 1922-23 |
| William | Norman | 104 Bourke Street | Ford | KMC ● 57 | Kalgoorlie Municipality | 1923-24 |
| William | Rev D. | Trayning | Rugby | KTY ● 116 | Kununoppin-Trayning Road Board | 1925-26 |
| William | Rev. D. | Trayning | Rugby | KTY ● 116 | Kununoppin-Trayning Road Board | 1926-27 |
| William | T. | Carnarvon | Ford 16-18 H.P. | CN 12 | Carnarvon Municipality | 1916 |
| William | W. J. | 4 Arthur Street, Subiaco | Essex | 2610 | Metro Private Car | 1923-24 |
| William & Son | S. | 75 Rokeby Subiaco | Ford Wagon | 6634 | Metro Private Car | 1924-25 |
| William Attwood | - | Murray Street, Perth | Dealers | 20332 | Metro Dealers Car | 1927-28 |
| William Attwood Ltd | - | Murray Street, Perth | Chrysler | 5403 | Metro Private Car | 1927-28 |
| William Bros. | - | Fitzgerald Street | Dodge | N 12 | Northam Municipality | 1923-24 |
| William Fowler Crosby | - | Tambellup | Ford 20 H.P. | TA ● 24 | Tambellup Road Board | 1922-23 |
| Williams | - | Cnr. Carrington Street & 9th Avenue, Maylands | Humber | 626 | Metro Private Car | 1926-27 |
| Williams | A. | 448 Newcastle Street, Perth | Dodge | 362 | Metro Private Car | 1922-23 |
| Williams | A. | 12 Loretto Street, Subiaco | Studebaker | 2572 | Metro Private Car | 1924-25 |
| Williams | A. | 12 Loretto Street, Subiaco | Studebaker | 2572 | Metro Private Car | 1925-26 |
| Williams | A. | Subiaco | Studebaker | 2572 | Metro Private Car | 1926-27 |
| Williams | A. | 12 Loretto Street, Subiaco | Studebaker | 2572 | Metro Private Car | 1927-28 |
| Williams | A. | Wyalkatchem | Chrysler | WM ● 306 | Wyalkatchem Road Board | 1927-28 |
| Williams | A. B. G. | Mount Barker | Rugby | PL ● 87 | Plantagenet Road Board | 1926-27 |
| Williams | A. E. | Du boulay Street, Geraldton | Ford | GN 22 | Geraldton Municipality | 1926-27 |
| Williams | A. E. | Canning Bridge | Chevrolet | 6022 | Metro Private Car | 1926-27 |
