| Cook | E. & I. | Mooliabeenee | Ford Wagon | CH ● 20 | Chittering Road Board | 1926-27 |
| Cook | E. W. | Dowerin | Triumph Motorcycle | D ● 1 | Dowerin Road Board | 1922-23 |
| Cook | E.& I. | Mooliabeenee | Ford Wagon | CH ● 20 | Chittering Road Board | 1925-26 |
| Cook | F (Senior) | Dowerin | Ford | D ● 27 | Dowerin Road Board | 1926-27 |
| Cook | F. | Dowerin | Ford 20 H.P. | D ● 15 | Dowerin Road Board | 1919 |
| Cook | F. | Dowerin | Ford 18-8 H.P. | D ● 27 | Dowerin Road Board | 1922-23 |
| Cook | F. | Tammin | Buick | ME ● 40 | Meckering Road Board | 1922-23 |
| Cook | F. | Tammin | Buick | ME ● 40 | Meckering Road Board | 1923-24 |
| Cook | F. (Senior) | Dowerin | Ford | D ● 27 | Dowerin Road Board | 1927-28 |
| Cook | F. E. | Coondle | Chevrolet | T ● 128 | Toodyay Road Board | 1926-27 |
| Cook | F. E. | Coondle | Chevrolet | T ● 128 | Toodyay Road Board | 1927-28 |
| Cook | F. Junior | Dowerin | Ford 20 H.P. | D ● 15 | Dowerin Road Board | 1917-18 |
| Cook | F. senior | Dowerin | Ford 18-8 H.P. | D ● 27 | Dowerin Road Board | 1923-24 |
| Cook | F. Senior | Dowerin | Ford | D ● 27 | Dowerin Road Board | 1925-26 |
| Cook | F. Senr. | Dowerin | Ford | D ● 27 | Dowerin Road Board | 1924-25 |
| Cook | Frank | Glyde Street, Cottesloe Beach | Ford | 12172 | Metro Private Car | 1927-28 |
| Cook | G. S. | Lake Grace | Dodge | LG ● 21 | Lake Grace Road Board | 1924-25 |
| Cook | G. S. | Lake Grace | Ford Truck | LG ● 28 | Lake Grace Road Board | 1924-25 |
| Cook | G. S. | Lake Grace | Dodge | LG ● 21 | Lake Grace Road Board | 1925-26 |
| Cook | G. S. | Lake Grace | Dodge | LG ● 21 | Lake Grace Road Board | 1926-27 |
| Cook | G. S. | Lake Grace | Reo Truck | LG ● 40 | Lake Grace Road Board | 1926-27 |
| Cook | G. S. | Lake Grace | Reo | LG ● 40 | Lake Grace Road Board | 1927-28 |
| Cook | G. S. | Lake Grace | Reo Truck | LG ● 92 | Lake Grace Road Board | 1927-28 |
| Cook | Geo. | Moulyinning | Ford Truck | DU ● 80 | Dumbleyung Road Board | 1926-27 |
| Cook | Geo. | Dumbleyung | Ford Truck | DU ● 80 | Dumbleyung Road Board | 1927-28 |
| Cook | H. | Tammin | Buick | ME ● 40 | Meckering Road Board | 1924-25 |
| Cook | H. | Tammin | Buick | ME ● 40 | Meckering Road Board | 1925-26 |
| Cook | H. | Tammin | Buick | ME ● 40 | Meckering Road Board | 1926-27 |
| Cook | H. | Tammin | Buick | ME ● 40 | Meckering Road Board | 1927-28 |
| Cook | H. B. | Ogilvie | Ford 19 H.P. | NR ● 43 | Northampton Road Board | 1922-23 |
| Cook | H. B. | Ogilvie | Ford 19 H.P. | NR ● 43 | Northampton Road Board | 1923-24 |
| Cook | H. J. | Ardath | Dodge | BK ● 148 | Bruce Rock Road Board | 1924-25 |
| Cook | H. J. | Ardath | Dodge | BK ● 148 | Bruce Rock Road Board | 1925-26 |
| Cook | H. J. | Ardath | Dodge | BK ● 148 | Bruce Rock Road Board | 1926-27 |
| Cook | H. J. | Ardath | Dodge | BK ● 148 | Bruce Rock Road Board | 1927-28 |
| Cook | H. V. F. | Donnybrook | Overland | PE ● 124 | Preston Road Board | 1926-27 |
| Cook | H. V. F. | Donnybrook | Overland | PE ● 124 | Preston Road Board | 1927-28 |
| Cook | Herbert | Toodyay | Chevrolet Truck | T ● 93 | Toodyay Road Board | 1925-26 |
| Cook | Herbert | Bolgart | Chevrolet | VP ● 18 | Victoria Plains Road Board | 1925-26 |
| Cook | Herbert | Bolgart | Ford | VP ● 33 | Victoria Plains Road Board | 1925-26 |
| Cook | Herbert | Bolgart | Ford | VP ● 33 | Victoria Plains Road Board | 1926-27 |
| Cook | Herbert | Calingirl | Chevrolet Truck | VP ● 80 | Victoria Plains Road Board | 1926-27 |
| Cook | Herbert | Bolgart | Ford | VP ● 33 | Victoria Plains Road Board | 1927-28 |
| Cook | Herbert | Calingiri | Chevrolet Truck | VP ● 80 | Victoria Plains Road Board | 1927-28 |
| Cook | J. | 83 Victoria Avenue, Claremont | Dodge | 5284 | Metro Private Car | 1925-26 |
| Cook | J. | 71 Princess Road, Claremont | Morris | 3739 | Metro Hire or Trade | 1926-27 |
| Cook | J. | 83 Victoria Avenue, Claremont | Dodge | 5284 | Metro Private Car | 1926-27 |
| Cook | J. & B. | Moulyinning | Dodge | DU ● 156 | Dumbleyung Road Board | 1926-27 |
| Cook | J. B. | Moulyinning | Dodge | DU ● 156 | Dumbleyung Road Board | 1927-28 |
| Cook | J. C. | Katanning | Ford 20 H.P. | KRB 17 | Katanning Road Board | 1915 |
