| Cook | J. F. | Minnivale | Minnivale | D ● 202 | Dowerin Road Board | 1927-28 |
| Cook | J. G. | Quellington . York | Overland | Y ● 101 | York Road Board | 1925-26 |
| Cook | J. G. | Quellington | Overland | Y ● 101 | York Road Board | 1926-27 |
| Cook | J. G. | Quellington | Overland | Y ● 101 | York Road Board | 1927-28 |
| Cook | J. N. | Wattening | Ford | T ● 46 | Toodyay Road Board | 1925-26 |
| Cook | J. N. | Wattoning | Ford | T ● 46 | Toodyay Road Board | 1927-28 |
| Cook | J. R. | 39 Market Street, Fremantle | Dodge | 9749 | Metro Private Car | 1926-27 |
| Cook | James | Boulder | Indian 3½ H.P. Motorcycle | B 25 | Boulder Municipality | 1917-18 |
| Cook | James | Boulder | Indian 3 ½ H.P. | B 25 | Boulder Municipality | 1919 |
| Cook | John | 71 Princess Road, Claremont | Morris Truck | 4680 | Metro Private Car | 1927-28 |
| Cook | L. R. | 57 Norfolk Street, Fremantle | Dodge | 12577 | Metro Private Car | 1927-28 |
| Cook | M. | Toodyay | Ford | T ● 46 | Toodyay Road Board | 1923-24 |
| Cook | Miss K. | Lukin Road, North Fremantle | Dodge | 10150 | Metro Hire or Trade | 1926-27 |
| Cook | Mrs A. | 212 Ellen Street, Fremantle | Chevrolet | 15908 | Metro Private Car | 1927-28 |
| Cook | Mrs M. | Kanowna | Ford Wagon | K ● 63 | Kalgoorlie Road Board | 1924-25 |
| Cook | Olive | 127 Northwood Street, West Leederville | Chevrolet | 7532 | Metro Private Car | 1926-27 |
| Cook | R. | Lands Department | Motorcycle | P 786 | Perth Municipality | 1917-18 |
| Cook | R. | Kondinin | Chevrolet | KN ● 9 | Kondinin Road Board | 1927-28 |
| Cook | R. J. | - | Dodge | M ● 106 | Moora Road Board | 1925-26 |
| Cook | R. J. | - | Dodge | M ● 106 | Moora Road Board | 1926-27 |
| Cook | Rev. T. | Dowerin | Ford | D ● 237 | Dowerin Road Board | 1927-28 |
| Cook | Roy | C/o. State Taxation Dept. | Williamson 8-10 H.P. | P 657 | Perth Municipality | 1919 |
| Cook | S. | Dowerin | Ford 20 H.P. | D ● 9 | Dowerin Road Board | 1917-18 |
| Cook | S. | Dowerin | Ford 20 H.P. | D ● 9 | Dowerin Road Board | 1919 |
| Cook | S. | Dowerin | Ford 20 H.P. | D ● 9 | Dowerin Road Board | 1922-23 |
| Cook | S. | Dowerin | Buick | D ● 9 | Dowerin Road Board | 1923-24 |
| Cook | S. | Dowerin | Buick | D ● 9 | Dowerin Road Board | 1924-25 |
| Cook | S. | Dowerin | Buick | D ● 9 | Dowerin Road Board | 1925-26 |
| Cook | S. | 338 Wellington Street, Perth | Chevrolet | 7852 | Metro Private Car | 1925-26 |
| Cook | S. | Dowerin | Buick | D ● 9 | Dowerin Road Board | 1926-27 |
| Cook | S. | Coondle | Studebaker | T ● 143 | Toodyay Road Board | 1926-27 |
| Cook | S. | 338 Wellington Street, Perth | Chevrolet | 7852 | Metro Private Car | 1926-27 |
| Cook | S. | Dowerin | Buick | D ● 9 | Dowerin Road Board | 1927-28 |
| Cook | S. | Coondle | Studebaker | T ● 143 | Toodyay Road Board | 1927-28 |
| Cook | Sarah | 538 Wellington Street, Perth | Ford | 5422 | Metro Private Car | 1924-25 |
| Cook | Stan | Toodyay | Chevrolet | T ● 79 | Toodyay Road Board | 1925-26 |
| Cook | Stan | Toodyay | Chevrolet | T ● 79 | Toodyay Road Board | 1926-27 |
| Cook | T. | 45 View Street, Perth | Ford | 4498 | Metro Private Car | 1926-27 |
| Cook | T. C. | 18 View Street, Subiaco | Chevrolet | 11744 | Metro Private Car | 1926-27 |
| Cook | T. C. | 18 View Street, Subiaco | Chevrolet | 11744 | Metro Private Car | 1927-28 |
| Cook | T. H. | 143 Piesse StreetBoulder | Rudge Motorcycle | B 18 | Boulder Municipality | 1922-23 |
| Cook | T. S. | Union Street, Subiaco | Essex | 13633 | Metro Private Car | 1927-28 |
| Cook | Thos. S. | Rawson Street, Subiaco | Dodge | 841 | Metro Private Car | 1922-23 |
| Cook | V. N. | Toodyay | Ford | T ● 46 | Toodyay Road Board | 1926-27 |
| Cook | W. | 32 Adelaide Street, Fremantle | Overland | 7021 | Metro Private Car | 1926-27 |
| Cook | W. | Collie | Chrysler | CM 52 | Collie Municipality | 1927-28 |
| Cook | W. C. | Donnybrook | Ford | PE ● 135 | Preston Road Board | 1927-28 |
| Cook | W. I. | Dandaragan | Dodge | DN ● 10 | Dandaragan Road Board | 1925-26 |
| Cook | W. I. | Dandaragan | Dodge | DW ● 10 | Dandaragan Road Board | 1926-27 |
| Cook | W. I. | Dandaragan | Dodge | DN ● 10 | Dandaragan Road Board | 1927-28 |
