| Slocum | Henry | Wyalkatchem | Dodge | WM ● 22 | Wyalkatchem Road Board | 1924-25 |
| Slocum | O. | Benjabbering | Overland | WM ● 63 | Wyalkatchem Road Board | 1924-25 |
| Slocum | O. | Benjabbering | Overland | WM ● 63 | Wyalkatchem Road Board | 1925-26 |
| Slocum | O. | Benjaberring | Overland | WM ● 63 | Wyalkatchem Road Board | 1926-27 |
| Slocum | O. | Benjaberring | Overland | WM ● 63 | Wyalkatchem Road Board | 1927-28 |
| Sloggett | A. W. | Jitarning | Dodge | KU ● 41 | Kulin Road Board | 1926-27 |
| Sloggett | A. W. | Jitarning | Dodge | KU ● 41 | Kulin Road Board | 1927-28 |
| Sloggett | E. C. | Jitarning | Chevrolet | KU ● 21 | Kulin Road Board | 1926-27 |
| Sloggett | E. C. | Jitarning | Chevrolet | KU ● 21 | Kulin Road Board | 1927-28 |
| Sloggett | L. D. | Jitarning | Chevrolet | KU ● 132 | Kulin Road Board | 1927-28 |
| Sloggett Bros | - | Jitarning | Overland Truck | KU ● 57 | Kulin Road Board | 1927-28 |
| Slom | H. | Holyoake | Chevrolet | MY ● 97 | Murray Road Board | 1924-25 |
| Sloman | H. | 26 Chathem Street, West Midland | Chevrolet | 12065 | Metro Private Car | 1927-28 |
| Slose | Ruby V. | 335 Walcott Street, Perth | Ford | 4254 | Metro Private Car | 1927-28 |
| Sloss | E. J. Mrs | 52 bennett Street, East Perth | Essex | 4242 | Metro Private Car | 1923-24 |
| Sloss | H. M. | 11 Frazer Street, Swanbourne | Chevrolet | 13469 | Metro Private Car | 1927-28 |
| Sloss | Henry M. | Dalgety, Esplanade | J.A.P. 2¾ H.P. Motorcycle | P 727 | Perth Municipality | 1916 |
| Sloss | Mrs E. J. | 52 Bennett Street, East Perth | Essex | 4242 | Metro Private Car | 1924-25 |
| Sloss | Mrs E. J. | 52 Bennet Street, East Perth | Essex | 4242 | Metro Private Car | 1925-26 |
| Sloss | R. V. | 335 Walcott Street, Perth | Ford | 2869 | Metro Private Car | 1923-24 |
| Sloss | R. V. | 335 Walcott Street, Perth | Ford | 2869 | Metro Private Car | 1924-25 |
| Sloss | R. V. | 335 Walcott Street, Perth | Ford | 2869 | Metro Private Car | 1925-26 |
| Sloss | R. V. | 335 Walcott Street, North Perth | Ford | 2869 | Metro Private Car | 1926-27 |
| Sloss | S. | Bruce Rock | Ford Truck | BK ● 199 | Bruce Rock Road Board | 1925-26 |
| Sloss | S. | Bruce Rock | Ford Truck | BK ● 199 | Bruce Rock Road Board | 1926-27 |
| Sloss | S. | Bruce Rock | Ford Truck | BK ● 199 | Bruce Rock Road Board | 1927-28 |
| Sloss | T. | Kellerberrin | Premier 3 ½ H.P. | KE 2 | Kellerberrin Road Board | 1916 |
| Sloss | Thos. | East Perth | Premier 3½ H.P. Motorcycle | P 710 | Perth Municipality | 1915 |
| Sly | J. D. | Mingenew | Overland Truck | MI ● 19 | Mingenew Road Board | 1926-27 |
| Smailes | J. V. | Karragullen via Armadale | Chevrolet Wagon | 6422 | Metro Private Car | 1924-25 |
| Smailes | J. V. | Karragullen | Chevrolet Wagon | 6422 | Metro Private Car | 1926-27 |
| Smald | T. F. | Greenbushes | Overland | GR ● 31 | Greenbushes Road Board | 1926-27 |
| Smales | R. | Yoting | Whippet | Q ● 260 | Quairading Road Board | 1927-28 |
| Small | A. | 24 Evans Street, Boulder | Douglas Motorcycle | B 3 | Boulder Municipality | 1922-23 |
| Small | A. | 24 Evans Street, Boulder | Metallurgique | B 17 | Boulder Municipality | 1924-25 |
| Small | A. | 24 Evans Street, Boulder | Metallurgique | B 17 | Boulder Municipality | 1925-26 |
| Small | C & W | 240 Suburban Road, South Perth | Hupmobile | 7674 | Metro Private Car | 1925-26 |
| Small | C & W. | 240 Suburban Road, South Perth | Hupmobile | 7674 | Metro Private Car | 1926-27 |
| Small | C. & W. | Shackleton | Essex | BK ● 69 | Bruce Rock Road Board | 1922-23 |
| Small | C. & W. | Shackleton | Essex | BK 69 | Bruce Rock Road Board | 1923 - 1924 |
| Small | C. & W. | Shackleton | Essex | BK ● 69 | Bruce Rock Road Board | 1924-25 |
| Small | C. & W. | Shackleton | Hupmobile | BK ● 69 | Bruce Rock Road Board | 1927-28 |
| Small | M. K. E. | George Street, Kalgoorlie | Oldsmobile | KMC 248 | Kalgoorlie Municipal Council | 1926-27 |
| Small | W. W. | Forrest House, Saint George's Terrace | Fiat | 5304 | Metro Private Car | 1926-27 |
| Small | W. W. | Foresst House, Saint George's Terrace, Perth | Fiat | 5304 | Metro Private Car | 1924-25 |
| Small | W. W. | Forrest House, Saint George's Terrace | Fiat | 5304 | Metro Private Car | 1925-26 |
| Small | W. W. | Forrest House, Saint George's Terrace | Fiat | 5304 | Metro Private Car | 1927-28 |
| Smalles | J. V. | Karragullen | Chevrolet Wagon | 6422 | Metro Private Car | 1925-26 |
| Smalles | J. V. | Karragullen | Chevrolet Wagon | 6422 | Metro Private Car | 1927-28 |
| Smallwood | E J. | 19 Morgan Street, West Subiaco | Chevrolet Truck | 11937 | Metro Private Car | 1927-28 |
