| McGarry Bros | - | Trayning | Pontiac | KTY ● 120 | Kununoppin-Trayning Road Board | 1927-28 |
| McGavan | C. G. | Wubin | Oakland | DL ● 88 | Dalwallinu Road Board | 1924-25 |
| McGavin | C. | Federal Tinware Co. | Indian 7 H.P. | P 391 | Perth Municipality | 1915 |
| McGavin | V. | Carnarvon | Overland 24 H.P. | 2323 | Carnarvon Municipal Council | 1922-23 |
| McGay | B. | Narrogin | Chevrolet Truck | NGN 119 | Narrogin Municipality | 1925-26 |
| McGay | B. | Narrogin | Chevrolet Truck | NGN 119 | Narrogin Municipality | 1926-27 |
| McGay | Bruce | Narrogin | Essex | NGN 119 | Narrogin Municipality | 1927-28 |
| McGeachie | J. | Cardiff | Studebaker | CO ● 3 | Collie Road Board | 1922-23 |
| McGeachie | J. | Cardiff | Studebaker | CO ● 3 | Collie Road Board | 1923-24 |
| McGeachie | J. | Cardiff | Studebaker | CO ● 3 | Collie Road Board | 1924-25 |
| McGeachie | J. | Cardiff | Overland | CO ● 3 | Collie Road Board | 1925-26 |
| McGeachie | J. | Cardiff | Overland | CO ● 3 | Collie Road Board | 1926-27 |
| McGeachie | J. | Cardiff | Overland | CO ● 3 | Collie Road Board | 1927-28 |
| McGeary | B. | Police Barracks, Perth | Studebaker | 1518 | Metro Private Car | 1927-28 |
| McGellan | L. | Hamersley | Ford Truck | Y ● 73 | York Road Board | 1925-26 |
| McGellan | Rose | Belka | Ford | MD ● 147 | Merredin Road Board | 1925-26 |
| McGellan | Rose | Belka | Ford | MD ● 147 | Merredin Road Board | 1926-27 |
| McGellin | R. | Belka | Dodge 23 H.P. | MD ● 60 | Merredin Road Board | 1922-23 |
| McGellin | R. | Belka | Ford | MD ● 60 | Merredin Road Board | 1923-24 |
| McGellin | R. | Belka | Dodge | MD ● 60 | Merredin Road Board | 1924-25 |
| McGellin | R. | Belka | Buick | MD ● 60 | Merredin Road Board | 1926-27 |
| McGellin | R. | Belka | Buick | MD ● 60 | Merredin Road Board | 1927-28 |
| McGellin | T. | Bruce Rock | Hupmobile | BK ● 4 | Bruce Rock Road Board | 1922-23 |
| McGellin | T. | Bruce Rock | Hupmobile | BK 4 | Bruce Rock Road Board | 1923 - 1924 |
| McGellin | T. | Bruce Rock | Hupmobile | BK ● 4 | Bruce Rock Road Board | 1924-25 |
| McGellin | T. G. | Belka | Buick | BK ● 4 | Bruce Rock Road Board | 1925-26 |
| McGellin | T. G. | Belka | Buick | BK ● 4 | Bruce Rock Road Board | 1926-27 |
| McGellin | T. G. | Belka | Buick | BK ● 4 | Bruce Rock Road Board | 1927-28 |
| McGeogh Bros | - | Dale River via Beverley | Ford | BO ● 21 | Brookton Road Board | 1924-25 |
| McGeogh Bros | - | Dale River via Beverley | Ford | BO ● 21 | Brookton Road Board | 1925-26 |
| McGeorges Bros | - | Dale River via Beverley | Ford | BO ● 21 | Brookton Road Board | 1926-27 |
| McGeough Bros. | - | Dale River via Beverley | Ford | BO ● 21 | Brookton Road Board | 1923-24 |
| McGhee | A. D. | 1000 Wellington Street, Perth | Oakland | 2864 | Metro Private Car | 1926-27 |
| McGhee | A. D. | 1000 Wellington Street, Perth | Oakland | 2864 | Metro Private Car | 1927-28 |
| McGhie | James | 5 Ellen Street, Fremantle | Chevrolet Wagon | 10903 | Metro Hire or Trade | 1927-28 |
| McGhie | W. | Peninsula Road, Maylands | Dodge | 11013 | Metro Private Car | 1926-27 |
| McGhie | Wright | Hardy Road, Maylands | Ford | 11013 | Metro Private Car | 1927-28 |
| McGibbon | S. J. | 5 Altona Street | Ford 20 H.P. | P 570 | Perth Municipality | 1915 |
| McGibbon | S. J. | 5 Altona Street | Ford 20 H.P. | P 570 | Perth Municipality | 1916 |
| McGibbon | S. J. | Altona Street | Ford 20 H.P. | P 570 | Perth Municipality | 1917-18 |
| McGibbon | S. J. | 5 Altona Street | Buick 20 H.P. | P 986 | Perth Municipality | 1919 |
| McGibbon | S. J. & Co. | 53 Saint George's Terrace, Perth | Rugby | 7654 | Metro Private Car | 1927-28 |
| McGibbon & Co | S. J. | 53 Saint George's Terrace, Perth | Rugby | 7654 | Metro Private Car | 1925-26 |
| McGibbon & Co | S. J. | 53 Saint George's Terrace, Perth | Rugby | 7654 | Metro Private Car | 1926-27 |
| McGill | T. | 18 Woodville Street, Perth | Rugby | 4818 | Metro Private Car | 1926-27 |
| McGill | T. | 18 Woodville Street, Perth | Rugby | 4818 | Metro Private Car | 1927-28 |
| McGill | T. S. | 18 Woodville Street, North Perth | Citroen | 4818 | Metro Private Car | 1923-24 |
| McGill | T. S. | 18 Woodville Street, North Perth | Dodge | 4819 | Metro Private Car | 1924-25 |
| McGill | T. S. | 18 Woodville Street, North Perth | Dodge | 4818 | Metro Private Car | 1925-26 |
| McGillray | Jessie | Avonmore Terrace, Cottesloe Beach | Overland | 7178 | Metro Private Car | 1926-27 |
