| Snow | H. | Wickepin | Dodge | WK ● 99 | Wickepin Road Board | 1927-28 |
| Snow | H. A. | Pingelly East | Ford 20 H.P. | PN ● 22 | Pingelly Road Board | 1922-23 |
| Snow | H. A. | East Pingelly | Ford | PN ● 22 | Pingelly Road Board | 1923-24 |
| Snow | Harry | Wickepin | Dodge | WK ● 55 | Wickepin Road Board | 1925-26 |
| Snow | Harry | Wickepin | Dodge | WK ● 55 | Wickepin Road Board | 1926-27 |
| Snow | Henry | Yillimining | Dodge | WK ● 55 | Wickepin Road Board | 1923-24 |
| Snow | Henry | Yillimining | Dodge | WK ● 55 | Wickepin Road Board | 1924-25 |
| Snow | Robert | Wickepin | Dodge | WK ● 142 | Wickepin Road Board | 1925-26 |
| Snow | Robert | Wickepin | Dodge | WK ● 142 | Wickepin Road Board | 1926-27 |
| Snow | Robert | Wickepin | Dodge | WK ● 142 | Wickepin Road Board | 1927-28 |
| Snowball | H. J. | Donnybrook | Chevrolet | PE ● 40 | Preston Road Board | 1923-24 |
| Snowball | H. J. | Donnybrook | Chevrolet | PE ● 40 | Preston Road Board | 1924-25 |
| Snowball | M. J. | Donnybrook | Chevrolet | PE ● 40 | Preston Road Board | 1925-26 |
| Snowball | M. J. | Donnybrook | Chevrolet | PE ● 40 | Preston Road Board | 1926-27 |
| Snowball | W. H. | Wyalkatchem | Ford | WM ● 347 | Wyalkatchem Road Board | 1927-28 |
| Snowball & West | - | Kondinin | Graham Truck | KN ● 2 | Kondinin Road Board | 1927-28 |
| Snowden | C. | 15 Almondsbury Road, Mount Lawley | Chevrolet Wagon | 13078 | Metro Private Car | 1926-27 |
| Snowden | C. | 15 Almodsbury Road, Mount Lawley | Chevrolet Wagon | 13078 | Metro Private Car | 1927-28 |
| Snowden | C. H. | 15 Almondbury Road, Mount Lawley | Essex | 7810 | Metro Private Car | 1925-26 |
| Snowden | C. H. | 664 Beaufort Street, Perth | Chevrolet | 14513 | Metro Private Car | 1927-28 |
| Snowden | E. E. | Express Office, Geraldton | Chevrolet | GN 22 | Geraldton Municipality | 1927-28 |
| Snowden | J. | 8 Rae Street, Leederville | Chevrolet | 11019 | Metro Private Car | 1926-27 |
| Snowden | J. | 8 Rae Street, Leederville | Overland | 11019 | Metro Private Car | 1927-28 |
| Snowden | S. G. | Fairway Nedlands | Chrysler | 14980 | Metro Private Car | 1927-28 |
| Snowden | W. E. | 15 Almondsbury Road, Mount Lawley | Chevrolet | 7459 | Metro Private Car | 1925-26 |
| Snowden | W. E. | 15 Almondbury Road, Mount Lawley | Chevrolet | 7459 | Metro Private Car | 1926-27 |
| Snowdon | S. | 311 Stirling Street, Perth | Essex | 8459 | Metro Private Car | 1925-26 |
| Snoxhill | E. W. | 40 Railway Parade, Leederville | Maxwell | 4615 | Metro Private Car | 1923-24 |
| Snudden | R. E. | Devenish Street, Victoria Park | Morris-Cowley | 9941 | Metro Private Car | 1926-27 |
| Snudden | R. E. | Devenish Street, Victoria Park | Morris-Cowley | 9941 | Metro Private Car | 1927-28 |
| Soalholtz | F. J. | Gabbon | Reo | MM ● 164 | Mount Marshall Road Board | 1927-28 |
| Soar | W. E. | 99 St. Leonards Avenue, Leederville | Ford | 9152 | Metro Private Car | 1925-26 |
| Soden | C. C. | 159 Adelaide Terrace, Perth | Dodge | 567 | Metro Private Car | 1927-28 |
| Sofield | B. | 87 Fremantle Road, Victoria Park | Ford Wagon | 3534 | Metro Hire or Trade | 1925-26 |
| Sofield | B. | 87 Fremantle Road, Victoria Park | Ford Wagon | 3534 | Metro Hire or Trade | 1926-27 |
| Sofield | B. J. B. | 87 Perth Fremantle Road, Victoria Park | Chevrolet | 11440 | Metro Private Car | 1927-28 |
| Soften | S. | 26 Tenth Avenue, Maylands | Ford | 8613 | Metro Private Car | 1925-26 |
| Soheld | B. | 87 Fremantle Road, Victoria Park | Ford Wagon | 3534 | Metro Hire or Trade | 1927-28 |
| Soillman | J. W. | Baandee | Ford Truck | KE ● 215 | Kellerberrin Road Board | 1926-27 |
| Soleman | F. | Presenjori | Ford | PM ● 32 | Perenjori-Morawa Road Board | 1924-25 |
| Solly | B. | Yandanooka | Overland | MI ● 38 | Mingenew Road Board | 1925-26 |
| Solly | B. J. | Yandanooka | Rugby | MI ● 38 | Mingenew Road Board | 1926-27 |
| Solly | B. J. | Yandanooka | Rugby | MI ● 38 | Mingenew Road Board | 1927-28 |
| Solly | Kathleen E. | 19 Esperance Street, Victoria Park | Citroen | 170 | Metro Private Car | 1927-28 |
| Solly | Miss C. E. | Pingrup | Rugby | KT ● 50 | Kent Road Board | 1926-27 |
| Solly | Miss C. E. | Pingrup | Rugby | KT ● 50 | Kent Road Board | 1927-28 |
| Solly Bros | - | Pingrup | Chevrolet Truck | KT ● 63 | Kent Road Board | 1927-28 |
| Soloman | F. | Perenjori | Ford | PM ● 32 | Perenjori-Morawa Road Board | 1925-26 |
| Soloman | R. S. | 97 Thomas Street, Subiaco | Chevrolet | 9558 | Metro Private Car | 1926-27 |
| Solomon | Alexander | 101 Glendower Street, Perth | Buick | 3433 | Metropolitan Hire and Trade Cars | 1923-24 |