| Schmidt | W. | 58 Peninsula Road, Maylands | Chevrolet | 12769 | Metro Private Car | 1927-28 |
| Schmidt | Wm. | Brookton | Dodge | BO ● 48 | Brookton Road Board | 1927-28 |
| Schmitt | B. | Kalamunda | Chevrolet Truck | DR ● 107 | Darling Range Road Board | 1926-27 |
| Schmitt | B. | Kalamunda | Chevrolet Truck | DR ● 107 | Darling Range Road Board | 1927-28 |
| Schmitt | C. | Mount Helena | Ford Truck | GE ● 8 | Greenmount Road Board | 1925-26 |
| Schmitt | C. | Mount Helena | Ford Truck | GE ● 8 | Greenmount Road Board | 1927-28 |
| Schmitt | G. | Kalamunda | Chevrolet Truck | DR ● 46 | Darling Range Road Board | 1925-26 |
| Schmitt | G. | Kalamunda | Chevrolet Truck | DR ● 46 | Darling Range Road Board | 1926-27 |
| Schmitt | G. | Kalamunda | Chevrolet Truck | DR ● 136 | Darling Range Road Board | 1927-28 |
| Schocer | A. | No. 1 State Saw Mill | Essex | WA ● 140 | Manjimup Road Board | 1926-27 |
| Schocer | A. | No. 1 State Saw Mill | Essex | WA ● 140 | Manjimup Road Board | 1927-28 |
| Schoch | F. A. | Coolgardie | Ford | CG ● 49 | Coolgardie Road Board | 1927-28 |
| Schocker | A. | 1798 Carrington Street | B.S.A. 4 H.P. | - | Kalgoorlie Road Board | 1919 |
| Schocker | Wm. | Carrington Street, Kalgoorlie | Studebaker 25 H.P. | K 8 | Kalgoorlie Road Board | 1916 |
| Schocker | Wm. | Carrington Street, Kalgoorlie | Studebaker 25 H.P. | K ● 8 | Kalgoorlie Road Board | 1917-18 |
| Schocker | Wm. | 1798 Carrington Street | Studebaker 25 H.P. | K ● 10 | Kalgoorlie Road Board | 1919 |
| Schocler | G. P. | Cambrian Flats Saint George's Terrace | Oakland | 11131 | Metro Private Car | 1926-27 |
| Schoder | A. E. | 254 Saint George's Terrace | R.H.C. 20 H.P. | P 382 | Perth Municipality | 1915 |
| Schoder | A. E. | Mounts Street, Perth | R.C.H. 20 H.P. | P 382 | Perth Municipality | 1916 |
| Schofield | A. | 18 Robinson Road, Subiaco | Hudson | 3654 | Metro Hire or Trade | 1924-25 |
| Schofield | A. | 18 Robinson Road, Subiaco | Hudson | 3654 | Metro Hire or Trade | 1925-26 |
| Schofield | F. | - | Triumph 4 H.P. | Wms 7 | Williams Road Board | 1915 |
| Schofield | G. | 36 Cleaver Street, West Perth | Ford | 2441 | Metro Private Car | 1924-25 |
| Schofield | George | 36 Cleaver Street, West Perth | Ford | 2441 | Metro Private Car | 1923-24 |
| Schofield | H. | 36 Cleaver Street, West Perth | Overland | 9057 | Metro Private Car | 1925-26 |
| Schofield | H. | 36 Cleaver Street West Perth | Overland | 9057 | Metro Private Car | 1926-27 |
| Schofield | H. | Cnr. Westana Rd. & Hobbs Avenue, Nedlands | Whippet | 9057 | Metro Private Car | 1927-28 |
| Schofield | Hilda | 40 Irwin Street, Cottesloe | Austin | 14382 | Metro Private Car | 1927-28 |
| Schofield | W. | Maine Street, Peppermint Grove | Chevrolet | 7587 | Metro Private Car | 1925-26 |
| Schofield | W. | Maine Street, Peppermint Grove | Chevrolet | 7587 | Metro Private Car | 1926-27 |
| Schofield | W. | 40 Irwin Street, Peppermint Grove | Essex | 996 | Metro Private Car | 1927-28 |
| Schofield W.A. Farmers Ltd | C. | Perth | Dodge | 13206 | Metro Private Car | 1927-28 |
| Scholefield | Geo. | 36 Clever Street, Perth | Ford | 2441 | Metro Private Car | 1922-23 |
| Scholey | J. R. | Norseman | Dodge | NM ● 7 | Norseman Road Board | 1925-26 |
| Scholey | J. R. | Norseman | Dodge | NM ● 7 | Norseman Road Board | 1926-27 |
| Scholey | J. R. | Norseman | Dodge | NM ● 7 | Norseman Road Board | 1927-28 |
| Scholfield | W. | Irrvine Street, Peppermint Grove | Chevrolet | 5220 | Metro Private Car | 1924-25 |
| Scholl | A. | 16 Waylen Road, West Subiaco | Chevrolet | 7443 | Metro Private Car | 1925-26 |
| Scholl | F. J. | - | Studebaker 15-20 H.P. | Wms 8 | Williams Road Board | 1915 |
| Scholl | K. E. | Berrigrin Via Sandstone | Ford | BR ● 6 | Black Range Road Board | 1924-25 |
| Scholl Bros | - | Berrigrin Via Sandstone | Ford | BR ● 2 | Black Range Road Board | 1924-25 |
| Scholl Bros | - | Berrigrin via Sandstone | Oldsmobile | BR ● 6 | Black Range Road Board | 1925-26 |
| Schonell | E. W. | 91 Beattie Avenue, Carlisle | Chevrolet | 1310 | Metro Private Car | 1927-28 |
| Schonnell | F. J. | 120 Railway Parade, Cottesloe | Citroen | 5387 | Metro Private Car | 1924-25 |
| Schoolar | G. P. | 72 Barker Road, Subiaco | Oakland | 816 | Metro Private Car | 1922-23 |
| Schoolar | Geo. P. | 72 Barker Road, Subiaco | Oakland | 816 | Metro Private Car | 1923-24 |
| Schoolar | Geo. P. | 72 Baker Road, Subiaco | Oakland | 816 | Metro Private Car | 1924-25 |
| Schooler | G P. | Cambrian Flats Saint George's Terrace | Oakland | 11131 | Metro Private Car | 1927-28 |
| Schorer | A. | No. 1 State Mill | Ford | WA ● 107 | Manjimup Road Board | 1925-26 |
| Schorer | A. | No. 1 State Saw Mill | Ford | WA ● 107 | Manjimup Road Board | 1926-27 |
