| Mazzuchelli | G. H. | Lyall's Mill | Ford | CO ● 84 | Collie Road Board | 1926-27 |
| Mazzuchelli | H. J. | Lyall's Mill | Rugby | CO ● 179 | Collie Road Board | 1927-28 |
| Mazzuchelli | M. | - | Buick | CU ● 101 | Upper Chapman Road Board | 1925-26 |
| Mazzuchelli | M. | - | Ford Truck | CU ● 25 | Upper Chapman Road Board | 1926-27 |
| Mazzuchelli | M. | - | Buick | CU ● ● 101 | Upper Chapman Road Board | 1926-27 |
| Mazzuchelli | M. | - | Ford Truck | CU ● 25 | Upper Chapman Road Board | 1927-28 |
| Mazzuchelli | M. | - | Buick | CU ● 101 | Upper Chapman Road Board | 1927-28 |
| Mazzuchelli | M. E. | 247 Thomas Street, Subiaco | Chrysler | 14828 | Metro Private Car | 1927-28 |
| Mc Carthy | Gerald V. P. | Armadale | Ford | A-K ● 26 | Armadale-Kelmscott Road Board | !922-23 |
| Mc Conkey | J. | Oakabella | Dodge | NR ● 39 | Northampton Road Board | 1926-27 |
| Mc Donald | J. | Corrigin | Ford 20 H.P. | CR ● 3 | Corrigin Road Board | 1919 |
| Mc Donald | J. A. | Tambellup | Buick 20 (now destroyed by fire) | T 3 | Tambellup Road Board | 1915 |
| Mc Donald | R. H. | Clydesdale Street | Perry 8 H.P. | VP 15 | Victoria Park Municipality | 1915 |
| Mc Dowall | F. G. | 158 Royal Street, East Perth | Citroen | 2788 | Metro Private Car | 1927-28 |
| Mc Gowan | P. | 138 Lake Street, Perth | Ford Wagon | 3539 | Metro Hire or Trade | 1925-26 |
| Mc Gregor | J. S. | Beverley | B.S.A. | BE 21 | Beverley Road Board | 1916 |
| Mc Innes | J. A. | Wagin | Dodge | W ● 12 | Wagin Road Board | 1922-23 |
| Mc Kee | Mrs I. | Bedford Hotel, Murray Street, Perth | Morris-Oxford | 8673 | Metro Private Car | 1926-27 |
| Mc Kinley | E. M. | 41 Permont Street, North Perth | Citroen | 5804 | Metro Private Car | 1924-25 |
| Mc Lennan | G. E. | Quairading | Chevrolet Truck | Q ● 203 | Quairading Road Board | 1926-27 |
| Mc Lennan | J. | Mount Stirling | Bean | Q ● 181 | Quairading Road Board | 1926-27 |
| Mc Leod | W. A. | 28 Cheetham Street | Sunbeam 16 H.P. | KMC 3 | Kalgoorlie Municipality | 1916 |
| Mc Queen | Wm. A. | 48 Francis Street, Perth | Ford | 942 | Metro Private Car | 1923-24 |
| Mc Waters | G. C. | 182, Guildford Road, Maylands | Dodge | 1054 | Metro Private Car | 1924-25 |
| McAdam | R. O. | 37 Colin Crescent, Perth | Overland | 308 | Metro Private Car | 1922-23 |
| McAdam | R. O. | 37 Colin Crescent, Perth | Overland | 308 | Metro Private Car | 1923-24 |
| McAdam | R. O. | 37 Colin Crescent, West Perth | Overland | 308 | Metro Private Car | 1926-27 |
| McAieer | Dr J. A. | Three Springs | Dodge | CA ● 34 | Carnamah Road Board | 1926-27 |
| McAlear | Dr J. | Three Springs | Dodge | CA ● 18 | Carnamah Road Board | 1924-25 |
| McAleer | Dr J | Three Springs | Dodge | MI ● 24 | Mingenew Road Board | 1922-23 |
| McAleer | Dr J | Three Springs | Harley Sport Motorcycle | MI ● 3 | Mingenew Road Board | 1922-23 |
| McAleer | Dr J. | Cathedral Avenue, Geraldton | Dodge | GN 54 | Geraldton Municipality | 1927-28 |
| McAleer | Dr J. A. | Three Springs | Dodge | CA ● 34 | Carnamah Road Board | 1925-26 |
| McAleer | Dr J. A. | Three Springs | Dodge | CA ● 34 | Carnamah Road Board | 1927-28 |
| McAleer | Dr. T. | Three Springs | Dodge | MI ● 24 | Mingenew Road Board | 1923-24 |
| McAler | Dr | Cathedral Avenue, Geraldton | Dodge | GN 54 | Geraldton Municipality | 1926-27 |
| McAlinden | C. J. | Webster Street, Hollywood | Jewett | 8890 | Metro Private Car | 1927-28 |
| McAlinden | J. | Bridgetown | Chevrolet | B ● 31 | Bridgetown Road Board | 1926-27 |
| McAlinden | J. | Bridgetown | Chevrolet | B ● 156 | Bridgetown Road Board | 1926-27 |
| McAlinden | J. | Bridgetown | Chevrolet | B ● 156 | Bridgetown Road Board | 1927-28 |
| McAlinden | L. | Donnybrook | Ford | PE ● 43 | Preston Road Board | 1925-26 |
| McAlinden | L. | Bridgetown | Ford | B ● 12 | Bridgetown Road Board | 1926-27 |
| McAlinden | L. | Bridgetown | Ford | B ● 12 | Bridgetown Road Board | 1927-28 |
| McAlinden | L. A. | Bridgetown | Pontiac | B ● 30 | Bridgetown Road Board | 1927-28 |
| McAlister | E. | Jarrahdale | Rugby | SJ ● 78 | Serpentine-Jarrahdale Road Board | 1926-27 |
| McAlister | E. | Jarrahdale | Rugby | SJ ● 78 | Serpentine-Jarrahdale Road Board | 1927-28 |
| McAloney | A. | Kojonup | Chevrolet | KO ● 28 | Kojonup Road Board | 1924-25 |
| McAloney | A. | Kojonup | Oakland | KO ● 6 | Kojonup Road Board | 1925-26 |
| MCaloney | A. | Kojonup | Oakland | KO ● 6 | Kojonup Road Board | 1926-27 |
| McAloney | A. | Kojonup | Oakland | KO ● 6 | Kojonup Road Board | 1927-28 |
