| Williams | J. M. H. | Gabbin | Chevrolet | MM ● 175 | Mount Marshall Road Board | 1927-28 |
| Williams | J. N. | Wannamal | Chevrolet | CH ● 33 | Chittering Road Board | 1927-28 |
| Williams | J. V. | Wannamal | Chevrolet | CH ● 33 | Chittering Road Board | 1925-26 |
| Williams | J. V. | Wannamal | Chevrolet | CH ● 33 | Chittering Road Board | 1926-27 |
| Williams | J. W. | 130 Beaufort Street | B.S.A. | P 9 | Perth Municipality | 1916 |
| Williams | J. W. | Allanson | Ford | CO ● 7 | Collie Road Board | 1926-27 |
| Williams | James | Goomalling | Dodge 25 H.P. | GO ● 32 | Goomalling Road Board | 1923-24 |
| Williams | James F. | Saint George's Terrace | Daimler 20 H.P. | P 698 | Perth Municipality | 1916 |
| Williams | Jas H. | Newcastle Road | Chevrolet | N 186 | Northam Municipality | 1927-28 |
| Williams | Jno. | Carnarvon | Indian Motorcycle | CN 2 | Carnarvon Municipal Council | 1922-23 |
| Williams | John P. | 78 Lawley Street, Mount Lawley | Buick | 4253 | Metro Private Car | 1927-28 |
| Williams | Joseph | Phillips River | Triumph 4 H.P. | - | Phillips River Road Board | 1915 |
| Williams | Joseph | Northampton | Chevorlet 18 H.P. | NR ● 25 | Northampton Road Board | 1922-23 |
| Williams | Joseph | Northampton | Chevrolet 18 H.P. | NR ● 25 | Northampton Road Board | 1923-24 |
| Williams | K. | Northampton | Chevrolet 20 H.P. | NR 12 | Northampton Road Board | 1919 |
| Williams | K. | Northampton | Chevrolet | NR ● 12 | Northampton Road Board | 1924-25 |
| Williams | K. | Northampton | Chevrolet | NR ● 12 | Northampton Road Board | 1925-26 |
| Williams | K. | Northampton | Chevrolet | NR ● 12 | Northampton Road Board | 1926-27 |
| 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 | L. | 22 Lawley Crescent, Mount Lawley | Oakland | 5470 | Metro Private Car | 1924-25 |
| Williams | L. | - | Buick | NR ● 50 | Northampton Road Board | 1926-27 |
| Williams | L. | 22 Lawley Chescent Mount Lawley | Oakland | 5470 | Metro Private Car | 1926-27 |
| Williams | L. | - | Hupmobile | NR ● 50 | Northampton Road Board | 1927-28 |
| Williams | L. G & N. F. | Emu Hill | Essex | NB ● 40 | Narembeen Road Board | 1926-27 |
| Williams | L. G. & N. F. | Emu Hill | Essex | NB ● 40 | Narembeen Road Board | 1925-26 |
| Williams | L. G. & N. F. | Emu Hill | Essex | NB ● 40 | Narembeen Road Board | 1927-28 |
| Williams | L. M. | Narrogin | Ford Truck | NGN 91 | Narrogin Municipality | 1925-26 |
| Williams | Leslie R. | Corrigin | Chevrolet Truck | CR ● 258 | Corrigin Road Board | 1927-28 |
| Williams | Lily | Coode Street, Bayswater | Essex | 553 | Metro Private Car | 1927-28 |
| Williams | M. A. | 74 Blencowe Street, Leederville | Overland | 1366 | Metro Private Car | 1923-24 |
| Williams | M. C. | 353 Hay Street, Perth | Overland | 7527 | Metro Private Car | 1925-26 |
| Williams | M. E. | 57 Monument Street, Cottesloe | Ford | 4967 | Metro Private Car | 1927-28 |
| Williams | M. J. | Northampton | Ford 15 H.P. | N 10 | Northampton Road Board | 1915 |
| Williams | M. J. | Northampton | Ford 15 H.P. | NR 10 | Northampton Road Board | 1916 |
| Williams | M. J. | Northampton | Ford 15 H.P. | NR 10 | Northampton Road Board | 1919 |
| Williams | M. J. | Northampton | Essex | NR ● 17 | Northampton Road Board | 1923-24 |
| Williams | M. J. | Northampton | Essex | NR ● 17 | Northampton Road Board | 1924-25 |
| Williams | M. J. | Northampton | Essex | NR ● 17 | Northampton Road Board | 1925-26 |
| Williams | M. J. | Northampton | Essex | NR ● 17 | Northampton Road Board | 1926-27 |
| Williams | M. J. | Korrelocking | Ford | WM ● 314 | Wyalkatchem Road Board | 1927-28 |
| Williams | M. T. | 119 Hamersley Road, Subiaco | Overland | 2668 | Metro Private Car | 1923-24 |
| Williams | M. T. | 33 First Avenue, Mount Lawley | Essex | 13150 | Metro Private Car | 1926-27 |
| Williams | M. T. | 33 First Avenue, Mount Lawley | Essex | 13150 | Metro Private Car | 1927-28 |
| Williams | Miss N | 369 Bulwer Street, Perth | Fiat | 14303 | Metro Private Car | 1927-28 |
| Williams | Mrs M. E. | - | Chevrolet | GO ● 146 | Goomalling Road Board | 1926-27 |
| Williams | Mrs M. E. | - | Chevrolet Truck | GO ● 163 | Goomalling Road Board | 1926-27 |
| Williams | Mrs M. E. | - | Chevrolet | GO ● 146 | Goomalling Road Board | 1927-28 |
| Williams | Mrs R. | 107 Rose Street | - | S 73 | Subiaco Municipality | 1916 |
