| Watt | W. A. | 68 Third Avenue, Inglewood | Swift | 8731 | Metro Private Car | 1927-28 |
| Watters | A. J. | Farmer Street, North Perth | Chevrolet | 7767 | Metro Private Car | 1925-26 |
| Watters | C. | Wickepin | Essex | WK ● 236 | Wickepin Road Board | 1927-28 |
| Watters | E. G. | 35 York Street, North Perth | Ford Wagon | 6223 | Metro Private Car | 1924-25 |
| Watters | E. G. | 130 Richmond Street, Leederville | Hudson | 10475 | Metro Hire or Trade | 1926-27 |
| Watters | E. G. | 130 Richmond Street, Leederville | Hudson | 10475 | Metro Hire or Trade | 1927-28 |
| Watters | H Mrs | 159 Rokeby Road, Subiaco | Buick | 1321 | Metro Private Car | 1923-24 |
| Watterson | N. P. | Wongan Hills | Chevrolet | WB ● 208 | Wongan-Ballidu Road Board | 1927-28 |
| Watterson | R. M. | Gnowangerup | Ford Truck | GN ● 113 | Gnowangerup Road Board | 1925-26 |
| Watterson | R. M. | Gnowangerup | Rugby | GN ● 113 | Gnowangerup Road Board | 1926-27 |
| Watterson | R. M. | Gnowangerup | Rugby | GN ● 113 | Gnowangerup Road Board | 1927-28 |
| Watts | A. | Katanning | Ford 20 H.P. | KA 61 | Katanning Road Board | 1916 |
| Watts | A. | Katanning | Ford 20 H.P. | KA ● 61 | Katanning Road Board | 1917-18 |
| Watts | A. | Katanning | Ford 20 H.P. | KA 61 | Katanning Road Board | 1919 |
| Watts | A. | Adrian Street, Palmyra | Chevrolet Truck | 10335 | Metro Hire or Trade | 1926-27 |
| Watts | A. | 31 31 River Street, South Perth | Chevrolet Wagon | 10335 | Metro Hire or Trade | 1927-28 |
| Watts | A. E. | Ullawarra Station, Onslow | Red Indian Motorcycle | AS ● 5 | Ashburton Road Board | 1922-23 |
| Watts | A. E. | Ullawarra | Austin | AS ● 13 | Ashburton Road Board | 1925-26 |
| Watts | A. E. | Ullawarra | Ford | AS ● 13 | Ashburton Road Board | 1926-27 |
| Watts | A. E. | Uilawarra | Austin | AS ● 13 | Ashburton Road Board | 1927-28 |
| Watts | A. F. | Katanning | Overland | KA ● 120 | Katanning Road Board | 1925-26 |
| Watts | A. F. | Katanning | Rover | KA ● 266 | Katanning Road Board | 1926-27 |
| Watts | A. F. | Katanning | Rover | KA ● 266 | Katanning Road Board | 1927-28 |
| Watts | A. J. | Qualin via York | Ford | Y ● 76 | York Road Board | 1924-25 |
| Watts | A. J. | Qualin York | Chevrolet | Y ● 117 | York Road Board | 1925-26 |
| Watts | A. J. | York | Chevrolet | Y ● 117 | York Road Board | 1926-27 |
| Watts | A. J. | Qualin | Ford Truck | Y ● 117 | York Road Board | 1927-28 |
| Watts | A. J. H. | Northam | Ford 20 H.P. | N 9 | Northam Road Board | 1916 |
| Watts | A. J. H. | Waeel | Ford | ME ● 84 | Meckering Road Board | 1923-24 |
| Watts | A. J. H. | Waeel | Ford | ME ● 84 | Meckering Road Board | 1924-25 |
| Watts | A. J. H. | Waeel | Dodge | ME ● 84 | Meckering Road Board | 1925-26 |
| Watts | A. J. H. | Waeel | Ford Truck | ME ● 96 | Meckering Road Board | 1925-26 |
| Watts | A. J. H. | Waeel | Dodge | ME ● 84 | Meckering Road Board | 1926-27 |
| Watts | A. J. H. | Waeel | Ford Truck | ME ● 96 | Meckering Road Board | 1926-27 |
| Watts | A. J. H. | Waeel | Dodge | ME ● 84 | Meckering Road Board | 1927-28 |
| Watts | A. J. H. & Sons | - | Chevrolet Truck | ME ● 336 | Meckering Road Board | 1927-28 |
| Watts | A. S. | Wandering | Ford 20 H.P. | WD ● 6 | Wandering Road Board | 1917-18 |
| Watts | A. S. | Wandering | Overland | WD ● 6 | Wandering Road Board | 1922-23 |
| Watts | A. S. | Wandering | Overland | WD ● 6 | Wandering Road Board | 1923-24 |
| Watts | A. S. | Wandering | Durant | WD ● 6 | Wandering Road Board | 1924-25 |
| Watts | A. S. | Wandering | Durant | WD ● 6 | Wandering Road Board | 1925-26 |
| Watts | A. S. | Wandering | Studebaker | WD ● 6 | Wandering Road Board | 1926-27 |
| Watts | A. S. | Wandering | Durant | WD ● 6 | Wandering Road Board | 1927-28 |
| Watts | A. S. | Wattening | Chevrolet Truck | WD ● 55 | Wandering Road Board | 1927-28 |
| Watts | E & W. | Marrinup | Ford | MY ● 76 | Murray Road Board | 1926-27 |
| Watts | E. & W. | Marrinup | Ford | MY ● 221 | Murray Road Board | 1927-28 |
| Watts | E. A | Wandering | Graham Truck | WD ● 44 | Wandering Road Board | 1926-27 |
| Watts | E. A. | Wandering | Ford 20 H.P. | WN 2 | Wandering Road Board | 1915 |
| Watts | E. A. | Wandering | Ford 20 H.P. | WD 2 | Wandering Road Board | 1916 |
| Watts | E. A. | Wandering | Ford 20 H.P. | WD ● 2 | Wandering Road Board | 1917-18 |
