| Manuel | S. R. | Beverley | Ford | BE ● 208 | Beverley Road Board | 1927-28 |
| Manus | E. R. | Britannia Coffee Palace | Harley-Davidson 7-9 H.P. | P 1066 | Perth Municipality | 1919 |
| Manwaring | A. H. | Lyalls Mill | Dodge 17 H.P. | CO ● 7 | Collie Road Board | 1919 |
| Manwaring | A. H. | Lyall's Mill | Dodge | CO ● 7 | Collie Road Board | 1922-23 |
| Manwaring | A. H. | Lyalls Mill | Dodge | CO ● 7 | Collie Road Board | 1923-24 |
| Manwaring | A. H. | Lyalls Mills | Dodge | CO ● 7 | Collie Road Board | 1924-25 |
| Manwaring | A. H. | Lyalls Mill | Dodge | CO ● 7 | Collie Road Board | 1925-26 |
| Manwaring | A. H. | Lyalls Mill | Chevrolet | CO ● 45 | Collie Road Board | 1925-26 |
| Manwaring | A. H. | Throssell Street, Collie | Rover | CM 169 | Collie Municipality | 1926-27 |
| Manwaring & Co Ltd | - | 10-12 Queen Street, Perth | Ford | 994 | Metro Private Car | 1924-25 |
| Manwaring & Co Ltd | - | 10-12 Queen Street, Perth | Ford | 994 | Metro Private Car | 1925-26 |
| Manwaring & Coppin | - | 12 Queen Street, Perth | Vinot | 1264 | Metro Private Car | 1923-24 |
| Manwarring | E. | 55 Rockwood Street, Mount Lawley | Citroen | 8053 | Metro Private Car | 1925-26 |
| Manzel | B. | 171 William Street, Perth | Austin | 5204 | Metro Private Car | 1927-28 |
| Maples Furniture Co | - | 883 Hay Street, Perth | Chevrolet Wagon | 12882 | Metro Private Car | 1927-28 |
| Mapp | C. W. | 131 Second Avenue, Inglewood | Austin | 9956 | Metro Private Car | 1926-27 |
| Mapp | C. W. | 131 Second Avenue, Inglewood | Austin | 9956 | Metro Private Car | 1927-28 |
| Mapp | Wm. | 55 Blencowe Street, Leederville | Indian | 1108 | Metro Motorcycle | 1922-23 |
| Mapp | Wm. | 131 Second Avenue, Inglewood | Citroen | 4339 | Metro Private Car | 1924-25 |
| Mara | Harrold | 28 Bulwer Street, Perth | Rugby | 6709 | Metro Private Car | 1927-28 |
| Mara Harrold | - | 28 Bulwer Street, Perth | Rugby | 6709 | Metro Private Car | 1925-26 |
| Mara Harrold | - | 28 Bulwer Street, Perth | Rugby | 6709 | Metro Private Car | 1926-27 |
| Maralelli | L. | Bridgetown | Ford Truck | B ● 124 | Bridgetown Road Board | 1926-27 |
| Maranoni | J. | Quairading | Ford Truck | Q ● 34 | Quairading Road Board | 1926-27 |
| Maranoni | J. | Quairading | Ford Truck | Q ● 34 | Quairading Road Board | 1927-28 |
| MarCartney | E. H. B. | Hannan Street | Buick 20 H.P. | KMC 51 | Kalgoorlie Municipality | 1916 |
| March | Claude | Armadale | Triumph 3½ H.P. Motorcycle | A-K ● 6 | Armadale-Kelmscott Road Board | 1922-23 |
| March | E J. | Grosvenor Road, North Perth | Rugby Wagon | 9012 | Metro Private Car | 1926-27 |
| March | E. | 110 Grosvenor Road, North Perth | Overland | 9338 | Metro Private Car | 1926-27 |
| March | E. | 110 Grosvenor Road, North Perth | Overland | 9338 | Metro Private Car | 1927-28 |
| March | E. J. | Grosvenor Road, North Perth | Rugby Wagon | 9012 | Metro Private Car | 1925-26 |
| March | E. J. | Grosvenor Road, North Perth | Rugby Wagon | 9012 | Metro Private Car | 1927-28 |
| March | L. | Nungarin | Chevrolet | NA ● 109 | Nungarin Road Board | 1927-28 |
| March | W. | Moodiarrup | Ford 19 H.P. | AW ● 9 | West Arthur Road Board | 1922-23 |
| March | W. | Moodiarrup | Buick | AW ● 9 | Arthur (West) Road Board | 1923-24 |
| Marchant | F. | Bibra Lake | Standard Wagon | 6149 | Metro Private Car | 1924-25 |
| Marchant | F. | Bibra Lake | Standard Wagon | 6149 | Metro Private Car | 1925-26 |
| Marchant | F. K. | Walkaway Road, Bibra Lake | Standard | 10328 | Metro Hire or Trade | 1926-27 |
| Marchant | Isabella | Bibra Lake | Hudson | 10758 | Metro Hire or Trade | 1927-28 |
| Marchant | Mrs I. | Bibra Lake | Dodge | 10656 | Metro Hire or Trade | 1927-28 |
| Marchant | T. | Kellerberrin | Ford 20 H.P. | KE ● 24 | Kellerberrin Road Board | 1917-18 |
| Marchant | T. | Kellerberrin | Ford 20 H.P. | KE 24 | Kellerberrin Road Board | 1919 |
| Marchant | T. | Kellerberrin | Buick | KE ● 24 | Kellerberring Road Board | 1923-24 |
| Marchant | T. | Kellerberrin | Buick | KE ● 24 | Kellerberrin Road Board | 1924-25 |
| Marchant | T. | Kellerberrin | Buick | KE ● 24 | Kellerberrin Road Board | 1925-26 |
| Marchant | T. | Kellerberrin | Buick | KE ● 24 | Kellerberrin Road Board | 1926-27 |
| MArchant | T. | Kellerberrin | Buick | KE ● 24 | Kellerberrin Road Board | 1927-28 |
| Marchant | T. C. | 79 Mile Gate Wickepin | Ford 20 H.P. | CR ● 4 | Corrigin Road Board | 1917-18 |
| Marchant | T. C. | 79 Mile Gate, Wickepin | Ford 20 H.P. | CR ● 4 | Corrigin Road Board | 1919 |
| Marchant | T. O. | Bullaring | Ford | CR ● 23 | Corrigin Road Board | 1922-23 |
