| Watkins | W. J. | 263 High Street, Fremantle | Singer | 13017 | Metro Private Car | 1927-28 |
| Watkins & Son | - | Ivanhoe Street, Bassendean | Austin | 12068 | Metro Private Car | 1927-28 |
| Watling | G. H. | Wagin | Ford | WN 98 | Wagin Municipality | 1927-28 |
| Watman | H. | Corrigin | Ford Truck | CR ● 181 | Corrigin Road Board | 1926-27 |
| Watman | H. | Bulyee | Ford Truck | CR ● 181 | Corrigin Road Board | 1927-28 |
| Watres | W. J. | Watson Street, Bassendean | Ford | 1540 | Metro Private Car | 1927-28 |
| Watsen | J. A. | 27 Ascot Street, Victoria Park | Studebaker | 852 | Metro Private Car | 1925-26 |
| Watsom | L. | Black Range | Triumph 4 H.P. Motorcycle | BRRB 7 | Black Range Road Board | 1915 |
| Watson | | Pingelly | - | PN ● 69 | Pingelly Road Board | 1925-26 |
| Watson | - | 34 Barrack Street, Perth | Ford | 10 | Metro Private Car | 1923-24 |
| Watson | - | Pingelly | | PN ● 69 | Pingelly Road Board | 1924-25 |
| Watson | - | Naungarin | Overland | NA ● 27 | Nungarin Road Board | 1924-25 |
| Watson | - | Roebourne | Ford | R ● 22 | Roebourne Road Board | 1925-26 |
| Watson | - | Roebourne | Ford | R ● 22 | Roebourne Road Board | 1926-27 |
| Watson | A. | Yowergabbie Station | - | MA 1 | Mount Magnet Road Board | 1916 |
| Watson | A. | Yowergabbie Station | Motorcycle | MA ● 1 | Mount Magnet Road Board | 1917-18 |
| Watson | A. | Bruce Rock | Ford | BK ● 31 | Bruce Rock Road Board | 1922-23 |
| Watson | A. | Bruce Rock | Ford | BK 31 | Bruce Rock Road Board | 1923 - 1924 |
| Watson | A. | Bruce Rock | Ford | BK ● 31 | Bruce Rock Road Board | 1924-25 |
| Watson | A. | Pier Street, East Fremantle | Buick | 5330 | Metro Private Car | 1924-25 |
| Watson | A. | Federal Road, Boulder | Rugby | K ● 110 | Kalgoorlie Road Board | 1925-26 |
| Watson | A. | Narembeen | Ford | NB ● 32 | Narembeen Road Board | 1925-26 |
| Watson | A. | Parker Street, East Fremantle | Buick | 5328 | Metro Private Car | 1925-26 |
| Watson | A. | Yoweragabbie Station | Chevrolet Truck | MA ● 50 | Mount Magnet Road Board | 1925-26 |
| Watson | A. | 4 Balmoral Street, Victoria Park | International Wagon | 10426 | Metro Hire or Trade | 1926-27 |
| Watson | A. | Yoweragabble Station | Chevrolet Truck | MA ● 50 | Mount Magnet Road Board | 1926-27 |
| Watson | A. | Federal Road, Boulder | Rugby | K ● 110 | Kalgoorlie Road Board | 1926-27 |
| Watson | A. | Parker Street, East Fremantle | Buick | 5330 | Metro Private Car | 1926-27 |
| Watson | A. | Lake Grace | Ford Truck | LG ● 112 | Lake Grace Road Board | 1927-28 |
| Watson | A. | Yoweragabbie Station | Chevrolet Truck | MA ● 50 | Mount Magnet Road Board | 1927-28 |
| Watson | A. | Boulder No. 1 Lease | Republic Truck | K ● 24 | Kalgoorlie Road Board | 1927-28 |
| Watson | A. | Boulder No. 1 Lease | Ford Truck | K ● 32 | Kalgoorlie Road Board | 1927-28 |
| Watson | A. | Boulder No. 1 | Chevrolet Truck | K ● 41 | Kalgoorlie Road Board | 1927-28 |
| Watson | A. | Boulder No. 1 | Oldsmobile | K ● 110 | Kalgoorlie Road Board | 1927-28 |
| Watson | A. A. | Balmoral Street, Victoria Park | Chevrolet | 8526 | Metro Private Car | 1925-26 |
| Watson | A. A. | Balmoral Street, Victoria Park | Chevrolet | 8526 | Metro Private Car | 1926-27 |
| Watson | A. A. | Balmoral Street, Victoria Park | Chevrolet | 8526 | Metro Private Car | 1927-28 |
| Watson | A. D. | Jennapullin | Ford | N ● 49 | Northam Road Board | 1922-23 |
| Watson | A. D. | Jennapullin | Ford | N ● 49 | Northam Road Board | 1923-24 |
| Watson | A. D. | Jennapullin | Ford | N ● 49 | Northam Road Board | 1924-25 |
| Watson | A. D. | Jennapullin | Ford | N ● 49 | Northam Road Board | 1925-26 |
| Watson | A. J | Williams | Chevrolet | WL ● 54 | Williams Road Board | 1926-27 |
| Watson | A. J. | Williams | Ford | WL ● 28 | Williams Road Board | 1923-24 |
| Watson | A. J. | Mount Magnet | Dodge | MA ● 29 | Mount Magnet Road Board | 1923-24 |
| Watson | A. J. | Mount Magnet | Dodge | MA ● 29 | Mount Magnet Road Board | 1924-25 |
| Watson | A. J. | Williams | Ford | WL ● 28 | Williams Road Board | 1924-25 |
| Watson | A. J. | Williams | Chevrolet | WL ● 54 | Williams Road Board | 1925-26 |
| Watson | A. J. | Yoweragabbie | Dodge | MA ● 9 | Mount Magnet Road Board | 1925-26 |
| Watson | A. J. | Yoweragabbie Station | Dodge | MA ● 29 | Mount Magnet Road Board | 1925-26 |
| Watson | A. J. | Yoweragabbie | Dodge | MA ● 9 | Mount Magnet Road Board | 1926-27 |
