| Dunning | W. R. | Hamel | Ford Truck | DK ● 9 | Drakesbrook Road Board | 1927-28 |
| Dunphy | Jeanette | 200 Railway Parade, West Leederville | Buick | 4247 | Metro Private Car | 1927-28 |
| Dunssan | A. | Ravensthorpe | Ford | PR ● 3 | Phillips River Road Board | 1925-26 |
| Dunstan | A. | Phillips River | Triumph 4 H.P. | PR | Phillips River Road Board | 1916 |
| Dunstan | A. | Ravensthorpe | Ford | PR ● 3 | Phillips River Road Board | 1924-25 |
| Dunstan | Albert | Ravensthorpe | Ford 20 H.P. | PR ● 3 | Phillips River Road Board | 1922-23 |
| Dunstan | Albert | Ravensthorpe | Ford | PR ● 3 | Phillips River Road Board | 1923-24 |
| Dunstan | E. E. | 71 Keightley Road, Subiaco | Essex | 6965 | Metro Private Car | 1926-27 |
| Dunstan | E. E. | 71 Keightley Road, Subiaco | Fiat | 4312 | Metro Private Car | 1927-28 |
| Dunstan | J. | Saint George's Terrace | Dodge | PR ● 19 | Phillips River Road Board | 1925-26 |
| Dunstan | J. | 39 Bray Road, Claremont | Dodge | 13419 | Metro Private Car | 1926-27 |
| Dunstan | John | 39 Bay Road, Claremont | Dodge | 13419 | Metro Private Car | 1927-28 |
| Dunstan | M. T | 156 Perth-Fremantle Road, Cottesloe | Clyno | 389 | Metro Private Car | 1927-28 |
| Dunstan | W. A. | Police Station, Manjimup | Triumph 4 H.P. | WA 7 | Warren Road Board | 1916 |
| Dunstan | W. A. | Police Station, Broomehill | Truimph Cycle 3 ½ H.P. | BH ● 2 | Broomehill Road Board | 1919 |
| Dunstau | Albert | Ravensthorpe | Triumph 4½ H.P. Motorcycle | PR ● 2 | Phillips River Road Board | 1922-23 |
| Dunster | G and C. | Middle Swan | Ford Truck | SW ● 25 | Swan Road Board | 1926-27 |
| Dunster | G. & C. | Middle Swan | Ford Truck | SW ● 25 | Swan Road Board | 1927-28 |
| Dunston | W. A. | Police Station, Manjimup | Triumph 4 H.P. | WB 8 | Warren Road Board | 1915 |
| Duplex | W. B. | Baddera | Chevrolet | NR ● 52 | Northampton Road Board | 1923-24 |
| Duplex | W. B. | Northampton | Ford | NR ● 147 | Northampton Road Board | 1927-28 |
| Duplex | W. H. | Northhampton | Chevrolet | NR ● 52 | Northampton Road Board | 1924-25 |
| Dupson | L. | Bolgart | Reo Truck | VP ● 84 | Victoria Plains Road Board | 1927-28 |
| Durack | M. J. | Goldsmith Road | Sunbeam 18 H.P. | C 1 | Claremont Municipality | 1915 |
| Durack | M. J. | Goldsmith Road | Sunbeam 18 H.P. | C 1 | Claremont Municipality | 1916 |
| Durack | M. J. | Goldsmith Road, Claremont | Car | C 1 | Claremont Municipality | 1917-18 |
| Durack | M. J. | Claremont Avenue, Claremont | - | C 1 | Claremont Municipality | 1919 |
| Durack | M. J. | Mundaring | Studebaker | GE ● 23 | Greenmount Road Board | 1924-25 |
| Durack | M. J. | Mundaring | Buick | GE ● 23 | Greenmount Road Board | 1925-26 |
| Durack | M. J. | Mundaring | Studebaker | GE ● 23 | Greenmount Road Board | 1927-28 |
| Durack | M. P. | Wyndham | Ford 20-24 H.P. | WY ● 1 | Wyndham Road Board | 1919 |
| Durack | M. P. | Goldsmith Road, Claremont | - | C 111 | Claremont Municipality | 1919 |
| Durack | M. P. | 263 Adelaide Terrace, Perth | Dodge | 307 | Metro Private Car | 1922-23 |
| Durack | M. P. | Wyndham | Ford | WY ● 12 | Wyndham Road Board | 1922-23 |
| Durack | M. P. | Wyndham | Ford | WY ● 12 | Wyndam Road Board | 1923-24 |
| Durack | M. P. | 263 Adelaide Terrace, Perth | Dodge | 307 | Metro Private Car | 1923-24 |
| Durack | M. P. | Adelaide Terrace, Perth | Dodge | 6632 | Metro Private Car | 1924-25 |
| Durack | M. P. | Wyndham | Ford | WY ● 12 | Wyndham Road Board | 1924-25 |
| Durack | M. P. | Wyndham | Dodge | WY ● 18 | Wyndham Road Board | 1925-26 |
| Durack | M. P. | Adelaide Terrace, Perth | Dodge | 6632 | Metro Private Car | 1925-26 |
| Durack | M. P. | Wyndham | Dodge | WY ● 19 | Wyndham Road Board | 1926-27 |
| Durack | M. P. | Wyndham | Dodge | WY ● 19 | Wyndham Road Board | 1927-28 |
| Durack | P M. | Arrino | Dodge | MI ● 40 | Mingenew Road Board | 1925-26 |
| Durack | P. B. | Wagin | Ford 20 H.P. | WM 4 | Wagin Municipality | 1916 |
| Durack | P. B. | Wagin | Ford 20 H.P. | WM 4 | Wagin Municipality | 1917-18 |
| Durack | P. B. | Wagin | Overland 20 H.P. | WM ● 4 | Wagin Municipality | 1919 |
| Durack | P. B. | Wagin | Overland 20 H.P. | W ● 8 | Wagin Road Board | 1922-23 |
| Durack | P. B. | Wagin | Overland 20 H.P. | W ● 8 | Wagin Road Board | 1923-24 |
| Durack | P. B. | - | Willys-Knight | W ● 41 | Wagin Road Board | 1926-27 |
| Durack | P. B. | - | Willys-Knight | W ● 41 | Wagin Road Board | 1927-28 |
