| Gray | Mrs E. | 73 Bagot Road, Subiaco | Hudson | 9061 | Metro Private Car | 1927-28 |
| Gray | Mrs L. | 235 Vincent Street, Leederville | Dodge | 5212 | Metro Private Car | 1924-25 |
| Gray | Mrs L. | 235 Vincent Street, Leederville | Dodge | 5212 | Metro Private Car | 1925-26 |
| Gray | Mrs L. | 235 Vincent Street, West Perth | Studebaker | 11413 | Metro Private Car | 1926-27 |
| Gray | Mrs L. | Gabbin | Chevrolet | MM ● 66 | Mount Marshall Road Board | 1927-28 |
| Gray | Mrs L. | 235 Vincent Street, West Perth | Studebaker | 11413 | Metro Private Car | 1927-28 |
| Gray | Mrs M. | 114 Lake Street, Perth | Fiat | 3080 | Metro Hire or Trade | 1925-26 |
| Gray | Mrs S. | - | Ford | CU ● 47 | Upper Chapman Road Board | 1924-25 |
| Gray | P. | Bridgetown | Ford Lorry | B ● 3 | Bridgetown Road Board | 1924-25 |
| Gray | P. F. | - | Indian 7-9 H.P. Motorcycle | DR ● 8 | Darling Range Road Board | 1917-18 |
| Gray | P. F. | - | Indian 7-9 H.P. | DR ● 8 | Darling Range Road Board | 1919 |
| Gray | R. | Emu Hill | Dodge | NB ● 16 | Narembeen Road Board | 1925-26 |
| Gray | R. | Emu Hill | Dodge | NB ● 16 | Narembeen Road Board | 1926-27 |
| Gray | R. | Emu Hill | Dodge | NB ● 16 | Narembeen Road Board | 1927-28 |
| Gray | R. | Narembeen | Chevrolet Wagon | NB ● 204 | Narembeen Road Board | 1927-28 |
| Gray | R. F. | Karragullen | Ford Truck | A-K ● 66 | Armadale-Kelmscott Road Board | 1924-25 |
| Gray | R. F. | Karragullen | Ford Truck | DR ● 75 | Darling Range Road Board | 1925-26 |
| Gray | R. F. | Karragullen | Chevrolet | DR ● 75 | Darling Range Road Board | 1926-27 |
| Gray | R. F. | Karragullen | Chevrolet Truck | DR ● 75 | Darling Range Road Board | 1927-28 |
| Gray | R. L. | 359 Murray Street, Perth | Federal | 10057 | Metro Hire or Trade | 1926-27 |
| Gray | Roy | - | Grant 10 H.P. | DR ● 4 | Darling Range Road Board | 1922-23 |
| Gray | Sam | Manjimup | Reo Truck | WA ● 151 | Manjimup Road Board | 1926-27 |
| Gray | Sam | Manjimup | Reo Truck | WA ● 151 | Manjimup Road Board | 1927-28 |
| Gray | W. | Royal Hotel, Perth | Dodge | 13861 | Metro Private Car | 1927-28 |
| Gray | W. E. | 272 Oxford Street, Leederville | Ford Wagon | 10449 | Metro Hire or Trade | 1926-27 |
| Gray | W. L. | - | Studebaker | CU ● 158 | Upper Chapman Road Board | 1926-27 |
| Gray | W. L. | - | Studebaker | CU ● 158 | Upper Chapman Road Board | 1927-28 |
| Gray | W. M. | 67 Outram Street, West Perth | Ford 20 H.P. | P 242 | Perth Municipality | 1919 |
| Gray | W. M. | 67 Outram Street, West Perth | Ford | 233 | Metro Private Car | 1923-24 |
| Gray | W. M. | 67 Outram Street, West Perth | Maxwell | 5683 | Metro Private Car | 1924-25 |
| Gray | W. M. | 113 Grant Street, Cottesloe | Maxwell | 7230 | Metro Private Car | 1925-26 |
| Gray | W. M. | 113 Grant Street, Cottesloe | Maxwell | 7230 | Metro Private Car | 1926-27 |
| Gray | W. M. | 113 Grant Street, Cottesloe | Maxwell | 7230 | Metro Private Car | 1927-28 |
| Gray | Wm. M. | 67 Outram Street, Perth | Ford | 233 | Metro Private Car | 1922-23 |
| Gray & Co | W. | 975 Hay Street, Perth | Ford Wagon | 5401 | Metro Private Car | 1924-25 |
| Gray & Co | W. | 975 Hay Street, Perth | Ford Wagon | 5401 | Metro Private Car | 1925-26 |
| Grayson | C. | 307 Hay Street, Perth | Rugby | 6841 | Metro Private Car | 1925-26 |
| Grayson | C. | 307 Hay Street, Subiaco | Chevrolet | 4344 | Metro Private Car | 1926-27 |
| Grayson | C. | 307 Hay Street, Perth | Rugby | 6841 | Metro Private Car | 1926-27 |
| Grayson | C. | 307 Hay Street, Perth | Rugby | 6841 | Metro Private Car | 1927-28 |
| Grayson | Charles. | 141 Railway Road, Subiaco | Indian Scout | 1135 | Metro Motorcycle | 1922-23 |
| Graziers' Co-operativve Co | - | Pingelly | Ford 20 H.P. | PN ● 35 | Pingelly Road Board | 1922-23 |
| Gream | T. | Geraldton | Buick | G ● 25 | Geraldton Road Board | 1927-28 |
| Great Boulder Mine | - | Fimiston | Triumph 5 H.P. Motorcycle | K ● 8 | Kalgoorlie Road Board | 1922-23 |
| Great Boulder Perserverance G.M. | - | Fimiston | Ford 20 H.P. | K ● 2 | Kalgoorlie Road Board | 1923-24 |
| Great Boulder Perseverance | G. M. | Fimiston | Ford 20 H.P. | K ● 2 | Kalgoorlie Road Board | 1922-23 |
| Great Southern Motor Garage | | Wagin | Buick | WM 25 | Wagin Municipality | 1922-23 |
| Great Southern Motor Garage | - | Wagin | Dodge | WM 6 | Wagin Municipality | 1922-23 |
| Great Southern Motor Garage | - | Wagin | Motor Wagon | WM 31 | Wagin Municipality | 1922-23 |
| Great Southern Motor Garage | - | Wagin | Buick | WM ● 25 | Wagin Municipality | 1923-24 |
