| Masters | Walter H. | Glenforrest | New Hudson | GE ● 24 | Greenmount Road Board | 1919 |
| Masters Walter | H. | Mundaring Weir | Triumph 3 H.P. Motorcycle | GE ● 25 | Greenmount Road Board | 1922-23 |
| Masterson | Rev J. | Toodyay | Ford 20 H.P. | T ● 21 | Toodyay Road Board | 1917-18 |
| Masterson | Rev. J. | Toodyay | Ford 20 H.P. | T ● 21 | Toodyay Road Board | 1919 |
| Masterson | Rev. T. | 211 Aberdeen Street, West Perth | Fiat | 5630 | Metro Private Car | 1926-27 |
| Masterson | Rev. T. | 1 Langsford Street, Claremont | Fiat | 5630 | Metro Private Car | 1927-28 |
| Masterton | Rev. | Langsford Street | - | C 8 | Claremont Municipality | 1915 |
| Masterton | Rev. | Langsford Street | - | C 8 | Claremont Municipality | 1916 |
| Masterton | Rev. | Langsford Street, Claremont | Motorcycle | C 8 | Claremont Municipality | 1917-18 |
| Masterton | Rev. J. | Toodyay | Ford 20 H.P. | T 21 | Toodyay Road Board | 1916 |
| Masterton | Thomas | Langsford Street, Claremont | - | C 8 | Claremont Municipality | 1919 |
| Mastin | F. | Albany | Fiat | A 12 | Municipality of Albany | 1926-27 |
| Mate | A. | 12 Kings Park Road, North Perth | Dodge | 11049 | Metro Private Car | 1927-28 |
| Mathea | Miss P. | State School Yilliminning | Chevrolet | 13412 | Metro Private Car | 1927-28 |
| Matheison | Edward | - | Ford 20 H.P. | K 1 | Kalgoorlie Road Board | 1916 |
| Mather | A. | Gnowangerup | Buick | GN ● 91 | Gnowangerup Road Board | 1925-26 |
| Mather | A. | Gnowangerup | Buick | GN ● 91 | Gnowangerup Road Board | 1926-27 |
| Mather | A. | Gnowangerup | Buick | GN ● 91 | Gnowangerup Road Board | 1927-28 |
| Mather | E. Mrs | 72 Outram Street, West Perth | Dodge | 1012 | Metro Private Car | 1923-24 |
| Mather | F. | Kellerberrin | Chevrolet Truck | KE ● 127 | Kellerberrin Road Board | 1925-26 |
| Mather | F. | Kellerberrin | Chevrolet Truck | KE ● 127 | Kellerberrin Road Board | 1926-27 |
| Mather | F. | Kellerberrin | Chevrolet Truck | KE ● 127 | Kellerberrin Road Board | 1927-28 |
| Mather | J. | Doodlakine | Ford Truck | KE ● 67 | Kellerberrin Road Board | 1924-25 |
| Mather | J. | Doodlakine | Ford Truck | KE ● 67 | Kellerberrin Road Board | 1925-26 |
| Mather | J. | Doodlakine | Ford Truck | KE ● 67 | Kellerberrin Road Board | 1926-27 |
| Mather | J. | Doodlakine | Ford Truck | KE ● 67 | Kellerberrin Road Board | 1927-28 |
| Mather | J. | Doodlakine | Maxwell | KE ● 145 | Kellerberrin Road Board | 1927-28 |
| Mather | Mrs E. | 72 Outram Street, Perth | Dodge | 1012 | Metro Private Car | 1922-23 |
| Mather | Mrs E. | 72 Outram Street, West Perth | Dodge | 1012 | Metro Private Car | 1924-25 |
| Mather | P. J. | Doodlakine | Chevrolet Truck | KE ● 238 | Kellerberrin Road Board | 1926-27 |
| Mather | P. J. | Doodlakine | Chevrolet Truck | KE ● 238 | Kellerberrin Road Board | 1927-28 |
| Mathers | F. | Bunbury Street, Collie | Buick | CM 7 | Collie Municipality | 1926-27 |
| Mathers | F. | Bunbury Street, Collie | Buick | CM 7 | Collie Municipality | 1927-28 |
| Mathers | J. L. | 239 Vincent Street, Perth | Ford | 415 | Metro Private Car | 1923-24 |
| Mathers | J. V. W | Light of Asia G.M. | Light Overland | CD ● 4 | Cue-Day Dawn Road Board | 1922-23 |
| Mathers | J. V. W. | Light of Asia G. M. | Light Overland | CD ● 4 | Cue-Day Dawn Road Board | 1923-24 |
| Mathers | J. V. W. | Cue | Overland | CD ● 4 | Cue-Day Dawn Road Board | 1924-25 |
| Mathers | J. V. W. | Cue | Overland | CD ● 4 | Cue-Day Dawn Road Board | 1925-26 |
| Mathers | J. V. W. | Cue | Overland | CD ● 4 | Cue-Day Dawn Road Board | 1926-27 |
| Mathers | J. V. W. | Cue | Overland | CD ● 4 | Cue-Day Dawn Road Board | 1927-28 |
| Mathers & Coates | - | 56 Brisbane Street, Perth | Dodge | 10264 | Metro Hire or Trade | 1926-27 |
| Matherson | C. J. | 298 Oxford Street, Leederville | Chevrolet | 2811 | Metro Private Car | 1923-24 |
| Matherson | C. J. | 298 Oxford Street, Leederville | Chevrolet | 2811 | Metro Private Car | 1924-25 |
| Matherson | C. J. | 298 Oxford Street, Leederville | Fiat | 2811 | Metro Private Car | 1925-26 |
| Matherson | C. J. | 298 Oxford Street, Leederville | Fiat | 2811 | Metro Private Car | 1926-27 |
| Matherson | C. J. | 298 Oxford Street, Leederville | Fiat | 2811 | Metro Private Car | 1927-28 |
| Matheson | R. S. | - | Studebaker 25 H.P. | KMC 33 | Kalgoorlie Municipality | 1915 |
| Matheson | R. S. M. | 46 Addis Street | Studebaker 20 H.P. | KMC 33 | Kalgoorlie Municipality | 1916 |
| Matheson | R. S. M. | 46 Addis Street | Studebaker 20 H.P. | KMC 33 | Kalgoorlie Municipal Council | 1917-18 |
| Matheson | R. S. M. | 46 Addis Street | Studebaker 20 H.P. | KMC 33 | Kalgoorlie Municipality | 1919 |
