| Clarkson | G. | Northam | Dodge | N ● 216 | Northam Road Board | 1926-27 |
| Clarkson | G. | Northam | Dodge | N ● 216 | Northam Road Board | 1927-28 |
| Clarkson | G. E. | Northam | Ford | N ● 146 | Northam Road Board | 1925-26 |
| Clarkson | H. W. | Toodyay | Darracq 15 H.P. | T 4 | Toodyay Road Board | 1916 |
| Clarkson | H. W. | The Range, Toodyay | Ford 20 H.P. | T ● 4 | Toodyay Road Board | 1917-18 |
| Clarkson | H. W. | The Range, Toodyay | Ford 20 H.P. | T ● 4 | Toodyay Road Board | 1919 |
| Clarkson | H. W. | The Range,Toodyay | Hupmobile 25 H.P. | T ● 41 | Toodyay Road Board | 1919 |
| Clarkson | H. W. | The Range, Toodyay | Ford | T ● 4 | Toodyay Road Board | 1922-23 |
| Clarkson | H. W. | The Range, Toodyay | Hupmobile 25 H.P. | T ● 41 | Toodyay Road Board | 1922-23 |
| Clarkson | H. W. | Toodyay | Hupmobile | T ● 4 | Toodyay Road Board | 1923-24 |
| Clarkson | H. W. | Toodyay | Ford | T ● 41 | Toodyay Road Board | 1923-24 |
| Clarkson | H. W. | Estate, Toodyay | Hupmobile | T ● 4 | Toodyay Road Board | 1925-26 |
| Clarkson | H. W. | Estate, Toodyay | Ford | T ● 41 | Toodyay Road Board | 1925-26 |
| Clarkson | H. W. | Estate, Toodyay | Hupmobile | T ● 53 | Toodyay Road Board | 1925-26 |
| Clarkson | H. W. | Toodyay | Hupmobile | T ● 4 | Toodyay Road Board | 1926-27 |
| Clarkson | H. W. | Estate, Toodyay | Ford | T ● 41 | Toodyay Road Board | 1926-27 |
| Clarkson | H. W. | Toodyay | Hupmobile | T ● 53 | Toodyay Road Board | 1926-27 |
| Clarkson | H. W. | Toodyay | Hupmobile | T ● 4 | Toodyay Road Board | 1927-28 |
| Clarkson | H. W. | Estate Toodyay | Ford | T ● 41 | Toodyay Road Board | 1927-28 |
| Clarkson | Hy. W. | Toodyay | Ford 20 H.P. | TRB 4 | Toodyay Road Board | 1915 |
| Clarkson | J. | Lakeside Station, via Cue | Ford | CD ● 15 | Cue-Day Dawn Road Board | 1922-23 |
| Clarkson | J. | Lakeside Station via Cue | Ford | CD ● 15 | Cue-Day Dawn Road Board | 1923-24 |
| Clarkson | J. | Lakeside Station, via Cue | Ford | CD ● 15 | Cue-Day Dawn Road Board | 1924-25 |
| Clarkson | J. | Lakeside Station | Ford | CD ● 15 | Cue-Day Dawn Road Board | 1925-26 |
| Clarkson | J. K. | Bruce Rock | Ford | BK 77 | Bruce Rock Road Board | 1923 - 1924 |
| Clarkson | J. R. | Forrest Chambers, Perth | Hudson | 80 | Metro Private Car | 1923-24 |
| Clarkson | J. R. | Forrest Chambers, Saint George's Terrace, Perth | Citroen | 80 | Metro Private Car | 1925-26 |
| Clarkson | J. R. | Saint George's Terrace, Perth | Studebaker | 8480 | Metro Private Car | 1925-26 |
| Clarkson | J. R. | Forrest Chrs Saint George's Terrace | Studebaker | 80 | Metro Private Car | 1926-27 |
| Clarkson | L. B. | Toodyay | Triumph 3½ H.P. Motorcycle | TRB 4 | Toodyay Road Board | 1915 |
| Clarkson | M. | 60 Bay View Terrace, Claremont | Morris-Cowley | 5773 | Metro Private Car | 1926-27 |
| Clarkson | M. W. | 60 Bay View Terrace. Claremont | Ford Wagon | 4336 | Metro Private Car | 1923-24 |
| Clarkson | M. W. | 60 Bayview Terrace, Claremont | Ford Wagon | 4336 | Metro Private Car | 1924-25 |
| Clarkson | M. W. | 60 Bay View Terrace, Claremont | Ford Wagon | 4336 | Metro Private Car | 1925-26 |
| Clarkson | M. W. | 60 Bay View Terrace, Claremont | Ford Wagon | 4336 | Metro Private Car | 1926-27 |
| Clarkson | M. W. | 60 Bay View Terrace, Claremont | Ford Wagon | 4336 | Metro Private Car | 1927-28 |
| Clarkson | M. W. | 60 Bayview Terrace, Claremont | Chrysler | 2393 | Metro Private Car | 1927-28 |
| Clarkson | P. L. | Toodyay | Ford 20 H.P. | T ● 16 | Toodyay Road Board | 1922-23 |
| Clarkson | R. W. | Dongara | Chevrolet 20 H.P. | IR ● 9 | Irwin Road Board | 1922-23 |
| Clarkson | R. W. | Dongara | Chevrolet 20 H.P. | IR ● 9 | Irwin Road Board | 1923-24 |
| Clarkson | R. W. | Dongara | Chevrolet | IR ● 9 | Irwin Road Board | 1924-25 |
| Clarkson | R. W. | Dongara | Chevrolet | IR ● 9 | Irwin Road Board | 1924-25 |
| Clarkson | R. W. | Dongara | Chevrolet | IR ● 9 | Irwin Road Board | 1925-26 |
| Clarkson | R. W. | Dongara | Chevrolet | IR ● 9 | Irwin Road Board | 1926-27 |
| Clarkson | R. W. | Dongara | Chevrolet | IR ● 9 | Irwin Road Board | 1927-28 |
| Clarkson | R. W. | Dongara | Essex | IR ● 25 | Irwin Road Board | 1927-28 |
| Clarkson | S. | Saint George's House | Ford Wagon | 9317 | Metro Private Car | 1925-26 |
| Clarkson | S. | Saint George's House, Perth | Ford Wagon | 9317 | Metro Private Car | 1926-27 |
| Clarkson | S. | 5 Saint George's Terrace, Perth | Overland | 9395 | Metro Private Car | 1926-27 |
| Clarkson | Samuel | East Street, Guildford | Whippet | 4332 | Metro Private Car | 1927-28 |
