| Stott | W. J. | Bruce Rock | Overland | BK ● 189 | Bruce Rock Road Board | 1927-28 |
| Stott | W. J. | 29 Farmer Street, North Perth | Chevrolet Wagon | 12831 | Metro Private Car | 1927-28 |
| Stott | W. K. | 2 Reserve Street, Claremont | Dodge | 1150 | Metro Private Car | 1926-27 |
| Stott & Co | E. C. | Howard Street, Perth | Dodge | 1150 | Metro Private Car | 1922-23 |
| Stott & Co | E. C. | Howard Street, Perth | Dodge | 1150 | Metro Private Car | 1924-25 |
| Stott & Co | E. C. | Howard Street, Perth | Dodge | 1150 | Metro Private Car | 1925-26 |
| Stott & Hoare | - | 106 Saint George's Terrace, Perth | Chevrolet | 2851 | Metro Private Car | 1925-26 |
| Stott & Hoare | - | 106 Saint George's Terrace, Perth | Chevrolet | 2851 | Metro Private Car | 1926-27 |
| Stott & Hoare | - | 106 Saint George's Terrace, Perth | Chevrolet | 2851 | Metro Private Car | 1927-28 |
| Stott and Co | E. C. | Howard Street, Perth | Dodge | 1150 | Metro Private Car | 1923-24 |
| Stotter | L. W. | Grovenor House, Hay Street, Perth | Citroen | 8320 | Metro Private Car | 1925-26 |
| Stotter | L. W. | Leake Street, Cottesloe | Citroen | 11057 | Metro Private Car | 1926-27 |
| Stout | J. | Wittenoom Street, Boulder | Oakland | B 85 | Boulder Municipality | 1927-28 |
| Stout | Mrs F. | Richardson Street, Boulder | Oakland | B 85 | Boulder Municipality | 1926-27 |
| Stout | R. H. | Booralaming | Ford | D ● 92 | Dowerin Road Board | 1925-26 |
| stout | R. H. | Booralaming | Studebaker | D ● 92 | Dowerin Road Board | 1926-27 |
| Stout | R. H. | Booralaming | Studebaker | D ● 92 | Dowerin Road Board | 1927-28 |
| Stove | P. | Roebourne | Dodge | R ● 21 | Roebourne Road Board | 1925-26 |
| Stove | P. | Roebourne | Dodge | R ● 21 | Roebourne Road Board | 1926-27 |
| Stove | P. W. | Roebourne | Indian 7-9 H.P. | P 1310 | Perth Municipality | 1919 |
| Stove | P. W. | Roebourne | Dodge | R ● 13 | Roebourne Road Board | 1922-23 |
| Stove | P. W. | Roebourne | Dodge | R>13 | Roebourne Road Board | 1923-24 |
| Stove | T. | Roebourne | Fiat | R ● 46 | Roebourne Road Board | 1925-26 |
| Stove | T. | Roebourne | Ford | R ● 15 | Roebourne Road Board | 1926-27 |
| Stove | T. | Roebourne | Fiat | R ● 46 | Roebourne Road Board | 1926-27 |
| Stove | T. | Roebourne | Ford | R ● 15 | Roebourne Road Board | 1927-28 |
| Stracham | P. J. | Arrino | Ford Truck | MI ● 71 | Mingenew Road Board | 1926-27 |
| Strachan | A. | 31 Allen Street, East Fremantle | Chevrolet | 12181 | Metro Private Car | 1927-28 |
| Strachan | B. W. | Carnamah | Chevrolet Truck | CA ● 151 | Carnamah Road Board | 1927-28 |
| Strachan | B. W. | Carnamah | Chrysler | CA ● 152 | Carnamah Road Board | 1927-28 |
| Strachan | H. | Toodyay | Jap 4½ H.P. Motorcycle | T ● 16 | Toodyay Road Board | 1922-23 |
| Strachan | P. J. | Arrino | Ford Truck | MI ● 71 | Mingenew Road Board | 1927-28 |
| Strachan & Mitchell | - | Carnamah | Chevrolet Truck | CA ● 215 | Carnamah Road Board | 1927-28 |
| Strahan | G. P. | Toodyay | Ford Truck | T ● 142 | Toodyay Road Board | 1926-27 |
| Strahan | H. E. | Toodyay | Ford Truck | T ● 20 | Toodyay Road Board | 1926-27 |
| Strahan | L. | Perth | Chevrolet | 2386 | Metro Private Car | 1926-27 |
| Strahan | L. J. | 370 Stirling Street, Perth | Chevrolet | 2386 | Metro Private Car | 1925-26 |
| Strahan | L. J. | 370 Stirling Street, Perth | Chevrolet | 2386 | Metro Private Car | 1927-28 |
| Strain | W. J. | 280 Murray Street, Perth | Overland | 4433 | Metro Private Car | 1925-26 |
| Straker | C. M. | Weld Club | Renault 20 H.P. | P 371 | Perth Municipality | 1915 |
| Straker | C. M. | Hammersley Station. | - | TRB 1 | Tableland Road Board | 1915 |
| Straker | C. M. | Weld Club | Renault 20-9 H.P. | P 371 | Perth Municipality | 1916 |
| Straker | C. M. | Weld Club, Perth | Buick 25 H.P. | P 268 | Perth Municipality | 1919 |
| Strang | L. A. | 38 Ellen Street, Fremantle | Swift | 903 | Metro Private Car | 1922-23 |
| Strang | L. A. | Narrogin | Swift | NGN 52 | Narrogin Municipality | 1923-24 |
| Strang | L. A. | Narrogin | Swift | NGN 52 | Narrogin Municipality | 1924-25 |
| Strang | L. A. | Narrogin | Swift | NGN 52 | Narrogin Municipality | 1925-26 |
| Strang | O. | Wellington Street, Perth | Hupmobile | 2802 | Metro Private Car | 1924-25 |
| Strang | O. | 535 Murray Street, Perth | Dodge | 6401 | Metro Private Car | 1924-25 |
| Strang | O. | 35 Murray Street, Perth | Ford | 4813 | Metro Private Car | 1924-25 |
