| Johnsons | H. G. | Dangin | Rugby | Q ● 133 | Quairading Road Board | 1926-27 |
| Johnston | - | Lake Grace | Ford Truck | LG ● 153 | Lake Grace Road Board | 1927-28 |
| Johnston | A & R. | Salford Road, Victoria Park | Republic Truck | 3013 | Metro Hire or Trade | 1927-28 |
| Johnston | A & R. | Salford Road, Victoria Park | Republic Truck | 3031 | Metro Hire or Trade | 1927-28 |
| Johnston | A. | Gnowangerup | Ford 20 H.P. | GN ● 16 | Gnowangerup Road Board | 1917-18 |
| Johnston | A. | Gnowangerup | Ford 20 H.P. | GN ● 16 | Gnowangerup Road Board | 1919 |
| Johnston | A. | Gnowangerup | Ford 20 H.P. | GN ● 16 | Gnowangerup Road Board | 1922-23 |
| Johnston | A. | Gnowangerup | Ford | GN ● 16 | Gnowangerup Road Board | 1923-24 |
| Johnston | A. | Gnowangerup | Essex | GN ● 16 | Gnowangerup Road Board | 1924-25 |
| Johnston | A. & R. | 4 Sulford Street, Victoria Park | Republic Wagon | 10589 | Metro Hire or Trade | 1927-28 |
| Johnston | A. B. | 40 Park Street, North Perth | Indian 7 H.P. Motorcycle | P 903 | Perth Municipality | 1917-18 |
| Johnston | A. B. | - | Dodge | P ● 109 | Perth Road Board | 1919 |
| Johnston | A. B. | 26 1st Avenue, Mount Lawley | Fiat | 12 | Metro Private Car | 1923-24 |
| Johnston | A. J. | 80 Heytesbury Road, Subiaco | Chevrolet | 4847 | Metro Private Car | 1927-28 |
| Johnston | A.C. | Wickepin | Ford 20 H.P. | WK ● 23 | Wickepin Road Board | 1919 |
| Johnston | B. | 7 Carnarvon Road, Victoria Park | Ford Wagon | 3342 | Metro Private Car | 1924-25 |
| Johnston | C. | Quairading | Ford | Q ● 66 | Quairading Road Board | 1923-24 |
| Johnston | C. | Quairading | Ford | Q ● 66 | Quairading Road Board | 1924-25 |
| Johnston | C. | Quairading | Ford | Q ● 66 | Quairading Road Board | 1925-26 |
| Johnston | C. | Quairading | Ford | Q ● 66 | Quairading Road Board | 1927-28 |
| Johnston | C. H. | Walkaway | Dodge | GH ● 29 | Greenough Road Board | 1925-26 |
| Johnston | C. H. | Walkaway | Dodge | GH ● 29 | Greenough Road Board | 1926-27 |
| Johnston | C. H. | Walkaway | Dodge | GH ● 29 | Greenough Road Board | 1927-28 |
| Johnston | C. J. | State School Karragullen | Dodge | 131 | Metro Private Car | 1926-27 |
| Johnston | C. J. | State School Karragullen | Dodge | 131 | Metro Private Car | 1926-27 |
| Johnston | C. J. | State School Karragullen | Dodge | 131 | Metro Private Car | 1927-28 |
| Johnston | C. S. | Kondinin | Chevrolet Truck | KN ● 136 | Kondinin Road Board | 1927-28 |
| Johnston | D. | Dangin | Ford | Y ● 95 | York Road Board | 1925-26 |
| Johnston | D. | Dangin | Ford | Y ● 95 | York Road Board | 1926-27 |
| Johnston | D. | Dangin | Ford | Y ● 95 | York Road Board | 1927-28 |
| Johnston | Dr S. | Lister House, Saint George's Terrace | Star | 6486 | Metro Private Car | 1924-25 |
| Johnston | E. | Cranbrook | Dodge | TA ● 11 | Tambellup Road Board | 1923-24 |
| Johnston | E. | Margaret River | Chevrolet | AU ● 11 | Augusta Road Board | 1924-25 |
| Johnston | E. | Kojonup | Buick | KO ● 59 | Kojonup Road Board | 1924-25 |
| Johnston | E. | Kojonup | Buick | KO ● 59 | Kojonup Road Board | 1925-26 |
| Johnston | E. | Kojonup | Buick | KO ● 59 | Kojonup Road Board | 1926-27 |
| Johnston | E. | Kojonup | Buick | KO ● 59 | Kojonup Road Board | 1927-28 |
| Johnston | E. | 4 Salford Street, Victoria Park | Morris Cowley | 11513 | Metro Private Car | 1927-28 |
| Johnston | E. | 4 Salford Street, Victoria Park | Morris Cowley | 11513 | Metro Private Car | 1927-28 |
| Johnston | E. B | Perth | Essex | WK ● 92 | Wickepin Road Board | 1926-27 |
| Johnston | E. B. | Perth | Essex | WK ● 15 | Wickepin Road Board | 1925-26 |
| Johnston | E. B. | Perth | Essex | WK ● 92 | Wickepin Road Board | 1927-28 |
| Johnston | E. C. | Dangin | Ford | Q ● 64 | Quairading Road Board | 1923-24 |
| Johnston | E. C. | Dangin | Ford | Q ● 64 | Quairading Road Board | 1924-25 |
| Johnston | E. C. | Dangin | Ford | Q ● 64 | Quairading Road Board | 1925-26 |
| Johnston | E. C. | Dangin | Rugby | Q ● 64 | Quairading Road Board | 1927-28 |
| Johnston | E. J. | Cranbrook | Rugby | CB ● 26 | Cranbrook Road Board | 1926-27 |
| Johnston | E. J. | Martons Mill | Ford | DR ● 90 | Darling Range Road Board | 1926-27 |
| Johnston | E. J. | Cranbrook | Rugby | CB ● 26 | Cranbrook Road Board | 1927-28 |
| Johnston | E. J. | Barton's Mill | Ford | DR ● 90 | Darling Range Road Board | 1927-28 |
