| Clark | Dr F. J. | 66 Bay View Terrace, Claremont | Dort | 5462 | Metro Private Car | 1924-25 |
| Clark | Dr S. J. | 66 Bayview Terrace, Claremont | standard | 6534 | Metro Private Car | 1924-25 |
| Clark | Dr. A. | Stafford Street, Miland Junction | Fiat | 1544 | Metro Private Car | 1923-24 |
| Clark | Dr. A. | Stafford Street, Miland Junction | Buick | 1567 | Metro Private Car | 1923-24 |
| Clark | Dr. Margaret | Southern Cross | Chevrolet | YL ● 25 | Yilgarn Road Board | 1923-24 |
| Clark | E. | Dumbleyung | Chevrolet | DU ● 52 | Dumbleyung Road Board | 1923-24 |
| Clark | E. B. | Candlelight | Chevrolet | DU ● 169 | Dumbleyung Road Board | 1927-28 |
| Clark | E. C. | Merredin | Ford 19 H.P. | MD ● 39 | Merredin Road Board | 1922-23 |
| Clark | E. C. | Totadjin | Essex | MD ● 58 | Merredin Road Board | 1924-25 |
| Clark | E. C. | Totadjin | Essex | MD ● 58 | Merredin Road Board | 1925-26 |
| Clark | E. C. | Fitzgerald Street, Geraldton | Buick | GN 93 | Geraldton Municipality | 1927-28 |
| Clark | E. J. | 10 James Street, Guildfrod | Overland | 1559 | Metro Private Car | 1923-24 |
| Clark | Ernest | 218 Lord Street, East Perth | Indian & Sidecar | 923 | Metro Motorcycle | 1922-23 |
| Clark | Ernest | 113 Fourth Avenue, Mount Lawley | Whippet | 14610 | Metro Private Car | 1927-28 |
| Clark | Evans | Cornwell Hotel, Boulder | Ford | B 53 | Boulder Municipality | 1924-25 |
| Clark | Evans | Cornwall Hotel, Boulder | Ford | B 53 | Boulder Municipality | 1925-26 |
| Clark | Evans | Cornwall Hotel, Boulder | Ford | B53 | Boulder Municipality | 1925-26 |
| Clark | F. | Gwalia | Indian 7-9 Motorcycle | LM ● 56 | Leonora-Malcolm Road Board | 1922-23 |
| Clark | F. | Corrigin | Ford Truck | CR ● 185 | Corrigin Road Board | 1926-27 |
| Clark | F. | 2 Basenghall Street, Victoria Park | Chevrolet Truck | 3631 | Metro Hire or Trade | 1926-27 |
| Clark | F. | 2 Basinghall Street, Victoria Park | Chevrolet Truck | 3631 | Metro Hire or Trade | 1927-28 |
| Clark | F. J. | Merredin | Essex 19 H.P. | MD ● 61 | Merredin Road Board | 1922-23 |
| Clark | F. J. | Merredin | Ford | MD ● 61 | Merredin Road Board | 1923-24 |
| Clark | F. J. | Merredin | Essex | MD ● 61 | Merredin Road Board | 1924-25 |
| Clark | F. J. | Bay View Terrace, Claremont | Crossley | 8668 | Metro Private Car | 1925-26 |
| Clark | F. J. | Merriden | Essex | MD ● 61 | Merredin Road Board | 1925-26 |
| Clark | F. J. | Bay View Terrace, Claremont | Crossley | 8668 | Metro Private Car | 1926-27 |
| Clark | F. J. | Ulva | Essex | MD ● 61 | Merredin Road Board | 1927-28 |
| Clark | G. A. | 76 Coogee Street, Mount Hawthorn | Whippet | 7784 | Metro Private Car | 1927-28 |
| Clark | H. | Coolup | Willys-Knight | MY ● 51 | Murray Road Board | 1925-26 |
| Clark | H. | Coolup | Willys-Knight | MY ● 51 | Murray Road Board | 1926-27 |
| Clark | H. | Hay Street, Perth | Essex | 5205 | Metro Private Car | 1926-27 |
| Clark | H. J. | 27 Mary Street, Fremantle | Dodge | 8919 | Metro Private Car | 1925-26 |
| Clark | H. J. | 7 Ruby Street, North Perth | Overland | 13945 | Metro Private Car | 1926-27 |
| Clark | H. J. | 27 Mary Street, Fremantle | Dodge | 8919 | Metro Private Car | 1926-27 |
| Clark | H. J. | 7 Ruby Street, North Perth | Overland | 13945 | Metro Private Car | 1927-28 |
| Clark | J & Co. | Onslow | Dodge | AS ● 32 | Ashburton Road Board | 1924-25 |
| Clark | J. | - | Ford 20 H.P. | YRB 3 | Yalgoo Road Board | 1915 |
| Clark | J. | Yalgoo Hotel | Ford 20 H.P. | YA 3 | Yalgoo Road Board | 1916 |
| Clark | J. | Yalgoo Hotel | Albion 15 H.P. | YA ● 9 | Yalgoo Road Board | 1917-18 |
| Clark | J. | Yalgoo Hotel | Hupmobile 25-30 H.P. | YA ● 16 | Yalgoo Road Board | 1917-18 |
| Clark | J. | Yalgoo Hotel | Albion 15 H.P. | YA ● 9 | Yalgoo Road Board | 1919 |
| Clark | J. | Yalgoo Hotel | Hupmobile 5 H.P. | YA ● 16 | Yalgoo Road Board | 1919 |
| Clark | J. | Yalgoo | Hupmobile | MU ● 14 | Mullewa Road Board | 1922-23 |
| Clark | J. | Yalgoo Hotel | Albion | YA ● 9 | Yalgoo Road Board | 1923-24 |
| Clark | J. | Yalgoo Hotel | Hupmobile | YA ● 16 | Yalgoo Road Board | 1923-24 |
| Clark | J. | Woolgoolga Station, Onslow | Ford | AS ● 57 | Ashburton Road Board | 1924-25 |
| Clark | J. | Denmark | Ford | DE ● 1 | Denmark Road Board | 1924-25 |
| Clark | J. | 83 Victoria Avenue, Claremont | Dodge | 5284 | Metro Private Car | 1924-25 |
| Clark | J. | Yalgoo | Albion | YA ● 9 | Yalgoo Road Board | 1924-25 |
