| Curtis | C. J. | Helena Street | Studebaker 25 H.P. | MJ 25 | Midland Junction Municipality | 1916 |
| Curtis | S. J. | Athelstan Street | Studebaker 25 H.P. | Ce ● 62 | Cuballing Road Board | 1917-18 |
| Curtis | W. | Tincurrin | Ford Truck | WK ● 130 | Wickepin Road Board | 1925-26 |
| Curtis | W. | Tinkurrin | Ford Truck | WK ● 13O | Wickepin Road Board | 1926-27 |
| Curtis | W. | Tinkurrin | Ford Truck | WK ● 130 | Wickepin Road Board | 1927-28 |
| Curtis & Co | Chisholm | Bedfordale | International Truck | A-K ● 61 | Armadale-Kelmscott Road Board | 1926-27 |
| Curtis Chisholm & Co | - | Bedfordale | International Truck | A-K ● 60 | Armadale-Kelmscott Road Board | 1924-25 |
| Curtis Chisholm & Co | - | Bedfordale | International Truck | A-K ● 61 | Armadale-Kelmscott Road Board | 1925-26 |
| Curtis Chisholm & Co | - | Bedfordale | International Truck | A-K ● 61 | Armadale-Kelmscott Road Board | 1927-28 |
| Curwood | W. H. | Lake Biddy | Ford Truck | LG ● 123 | Lake Grace Road Board | 1927-28 |
| Cusack | Mrs C. E. M. | Middle Swan | Studebaker 25 H.P. | SW 12 | Swan Road Board | 1916 |
| Cusack | Mrs C. E. M. | Benmore, Middle Swan | Studebaker | SW ● 12 | Swan Road Board | 1925-26 |
| Cusack | Mrs C. E. M. | Benmore Middle Swan | Studebaker | SW ● 12 | Swan Road Board | 1926-27 |
| Cuthbert | Dr N | Leake Street, Cottesloe | Dodge | 8038 | Metro Private Car | 1927-28 |
| Cuthbert | Dr N. | Leake Street, Cottesloe | Dodge | 8038 | Metro Private Car | 1926-27 |
| Cutts | Ken | Denmark | Reo Truck | DE ● 11 | Denmark Road Board | 1925-26 |
| D Raine | W. | 88 Rokeby Road | Car | S 77 | Subiaco Municipality | 1917-18 |
| D'Raine | W. | 88 Rokeby Road | - | S 77 | Subiaco Municipality | 1919 |
| Daff | A. | 86 Barker Road | - | S 147 | Subiaco Municipality | 1919 |
| Daff | Arthur | 86 Barker Road, Subiaco | Chevrolet | 4220 | Metro Private Car | 1927-28 |
| Dalton | L. | Irvine Street, Peppermint Grove | Studebaker 25 H.P. | PG 34 | Peppermint Grove Road Board | 1919 |
| Dalton | L. C. | Wickepin | Ford Truck | WK ● 200 | Wickepin Road Board | 1927-28 |
| Dalton | W. | Parkeston | Overland | K ● 43 | Kalgoorlie Road Board | 1926-27 |
| Dalton | W. | Parkeston | Overland | K ● 43 | Kalgoorlie Road Board | 1927-28 |
| Daly | James | 605 Murray Street | Studebaker 20 H.P. | P 470 | Perth Municipality | 1919 |
| Dalziell & Lee | - | Brooke Street, Leederville | B.S.A. 3½ H.P. Motorcycle | P 1289 | Perth Municipality | 1919 |
| Danets | R. | Greenbushes | Studebaker | GR ● 11 | Greenbushes Road Board | 1926-27 |
| Daniel | A. E. | 88 Rokeby Road | Ford 20 H.P. | S13 | Subiaco Municipality | 1915 |
| Daniel | A. E. | 88 Rokeby Road | Car | S 13 | Subiaco Municipality | 1916 |
| Daniel | F. T. | 88 Rokeby Road | Car | S 77 | Subiaco Municipality | 1916 |
| Daniel Deany | - | Lake View G.M | Chevrolet | K ● 236 | Kalgoorlie Road Board | 1927-28 |
| Daniels | F. T. | 88 Rokeby Road | Ford 20 H.P. | S 19 | Subiaco Municipality | 1915 |
| Danns | H. | Lake Grace | Ford Truck | LG ● 132 | Lake Grace Road Board | 1927-28 |
| Danns | H. | Lake Grace | Ford Truck | LG ● 144 | Lake Grace Road Board | 1927-28 |
| Darketon | J. Wm. | 41 Holland Street, Fremantle | Harley Davidson & Sidecar | 1336 | Metro Motorcycle | 1922-23 |
| Dartneil | Augustus J. | Parker Road, South Perth | Renault | 17 | Metro Private Car | 1926-27 |
| Dartnell | Augustus J. | Parker Road, South Perth | Renault | 17 | Metro Private Car | 1926-27 |
| Dartnell | Augustus J. | Parker Road, South Perth | Renault | 17 | Metro Private Car | 1927-28 |
| Darwell | E. J. | Mount Barker | Ford | PL ● 50 | Plantagenet Road Board | 1924-25 |
| Date | H. M. | Cunderdin | Rugby | ME ● 337 | Meckering Road Board | 1927-28 |
| Davenport | H. | 2 Duke Street, Subiaco | Rover | 14531 | Metro Private Car | 1927-28 |
| David | E. | Kellerberrin | Overland | KE ● 22 | Kellerberrin Road Board | 1924-25 |
| David | E. | Kellerberrin | Overland | KE ● 22 | Kellerberrin Road Board | 1926-27 |
| David | E. | Kellerberrin | Dodge | KE ● 22 | Kellerberrin Road Board | 1927-28 |
| David | E. A. | Kellerberrin | Overland | KE ● 22 | Kellerberrin Road Board | 1925-26 |
| David | V. T | 56 A.M.P. Buildings Perth | Studebaker | 4525 | Metro Private Car | 1927-28 |
| David | V. T. | 56 A.M.P. Buildings Perth | Studebaker | 4525 | Metro Private Car | 1924-25 |
| David | V. T. | 56 A.M.P. Buildings, Perth | Studebaker | 4525 | Metro Private Car | 1925-26 |
| David | V. T. | 56 A.M.P. Buildings, Perth | Studebaker | 4525 | Metro Private Car | 1926-27 |
| Davidson | J. | Tammin | Chevrolet | ME ● 263 | Meckering Road Board | 1926-27 |
