| McDonough | R. | 261 Lord Street, Perth | Rugby | 8708 | Metro Private Car | 1926-27 |
| McDonough | R. | 361 Lord Street, Perth | Rugby | 8708 | Metro Private Car | 1927-28 |
| McDougal | A. | Bullock Hills | Chevrolet | KA ● 172 | Katanning Road Board | 1925-26 |
| McDougal | D. | Meekatharra | Overland | MK ● 49 | Meekatharra Road Board | 1926-27 |
| McDougal | D. | Meekatharra | Overland | MK ● 49 | Meekatharra Road Board | 1927-28 |
| McDougal | J. W. | Katanning | Ford | KA ● 73 | Katanning Road Board | 1924-25 |
| McDougall | A. | Albany | Ford | A 93 | Municipality of Albany | 1925-26 |
| McDougall | A. | Hostel Manley Cottesloe Beach | Chevrolet | 7899 | Metro Private Car | 1925-26 |
| McDougall | A. | Albany | Ford | A 93 | Municipality of Albany | 1926-27 |
| McDougall | A. | Hostel Manley Cottesloe Beach | Chevrolet | 7899 | Metro Private Car | 1926-27 |
| McDougall | A. | Bullock Hills | Chevrolet | KA ● 172 | Katanning Road Board | 1926-27 |
| McDougall | A. | Albany | Chevrolet | A 38 | Albany Municipality | 1927-28 |
| McDougall | A. J. | York | Dodge | Y ● 87 | York Road Board | 1924-25 |
| McDougall | A. J. | York | Austin | Y 133 | York Municipality | 1925-26 |
| McDougall | A. J. | York | Austin | Y 133 | York Municipality | 1926-27 |
| McDougall | A. J. | York | Austin | Y 133 | York Municipality | 1927-28 |
| McDougall | A. V. | Katanning | Chevrolet | KA ● 172 | Katanning Road Board | 1927-28 |
| McDougall | Annie | High Street, Fremantle | Chevrolet | 7899 | Metro Private Car | 1927-28 |
| McDougall | J. W. | Katanning | Ford 19 H.P. | KA ● 73 | Katanning Toad Board | 1922-23 |
| McDougall | J. W. | Katanning | Ford 19 H.P. | KA ● 73 | Katanning Road Board | 1923-24 |
| McDougall | J. W. | Bullock Hills | Ford | KA ● 73 | Katanning Road Board | 1925-26 |
| McDougall | J. W. | Dumbleyung | Ford | DU ● 9 | Dumbleyung Road Board | 1926-27 |
| McDougall | J. W. | Bullock Hills | Ford | KA ● 73 | Katanning Road Board | 1926-27 |
| McDougall | J. W. | Dumbleyung | Ford | DU ● 9 | Dumbleyung Road Board | 1927-28 |
| McDougall | John | Mostel Manly Cottesloe | Pontiac | 12425 | Metro Private Car | 1927-28 |
| McDougall | N. | 29 Ord Street, West Perth | Maxwell | 7676 | Metro Private Car | 1925-26 |
| McDougall | N. | 29 Ord Street, West Perth | Morris-Cowley | 14204 | Metro Private Car | 1926-27 |
| McDougall | N. | 29 Ord Street, West Perth | Maxwell | 7676 | Metro Private Car | 1926-27 |
| McDougall | N. | 29 Ord Street, West Perth | Morris-Cowley | 14204 | Metro Private Car | 1927-28 |
| McDougall | N. | 29 Ord Street, West Perth | Maxwell | 7676 | Metro Private Car | 1927-28 |
| McDougall | T. | Cemetery Road, Midland Junction | Ford | 6968 | Metro Private Car | 1925-26 |
| McDougall | T. | Sanitary Depot Midland Junction | Essex | 6968 | Metro Private Car | 1926-27 |
| McDougall | T. | Sanitary Depot Midland Junction | Essex | 6968 | Metro Private Car | 1927-28 |
| McDougall | W. | Bunbury | Ford | BY 85 | Bunbury Municipality | 1923 - 1924 |
| McDougall | W. J. | 869 Beaufort Street, Perth | Ford | 11330 | Metro Private Car | 1926-27 |
| McDowall | F. G. | 158 Royal Street, East Perth | Citroen | 2788 | Metro Private Car | 1923-24 |
| McDowall | F. G. | 158 Royal Street, East Perth | Citroen | 2788 | Metro Private Car | 1924-25 |
| McDowall | F. G. | 158 Royal Street, East Perth | Citroen | 2788 | Metro Private Car | 1925-26 |
| McDowall | F. G. | 158 Royal Street, East Perth | Citroen | 2788 | Metro Private Car | 1926-27 |
| McDowell | J. D. | 20 York Street, North Perth | Overland | 9309 | Metro Private Car | 1925-26 |
| McDowell | J. D. | Port Hedland | Overland | PH ● 49 | Port Hedland Road Board | 1927-28 |
| Mcean Bros & Rigg Ltd | - | 104 Murray Street, Perth | Reo Wagon | 6476 | Metro Private Car | 1926-27 |
| McEffer | H. | Bencubbin | Standard | MM ● 153 | Mount Marshall Road Board | 1927-28 |
| MceKnizie | I. C. | Cranbrook | Ford | PL ● 68 | Plantagenet Road Board | 1924-25 |
| McElrey | F. A. | Cardiff | Buick | CO ● 117 | Collie Road Board | 1926-27 |
| McEncore | J. | Stirling Street | Ford 16 H.P. | P 1233 | Perth Municipality | 1919 |
| McEncroe | J | Stirling Street, Perth | Hupmobile | 1350 | Metro Private Car | 1927-28 |
| McEncroe | J. | Stirling Street | Crossley 15 H.P. | P 423 | Perth Municipality | 1916 |
| McEncroe | J. | 42 Bulwer Street | Delarge 12 H.P. | P 191 | Perth Municipality | 1917-18 |
| McEncroe | J. | Stirling Street, Perth | Ford | 1357 | Metro Private Car | 1922-23 |