| Maxwell | John Forrest | P. & O. Hotel | Sunbeam 12-15 H.P. | F 78 | Fremantle Municipality | 1915 |
| Maxwell | John Forrest | P. & O. Hotel | Sunbeam 12-15 horspower | F 78 | Fremantle Municipality | 1916 |
| Maxwell | M. M. | Bridgetown | Whippet | B ● 173 | Bridgetown Road Board | 1927-28 |
| Maxwell | Richard Henry | 17 Nicholson Road, Subiaco | Ford | BU ● 17 | Blackwood (Upper) Road Board | 1923-24 |
| Maxwell Motor Garage | - | Adelaide Street | - | F 59 | Fremantle Municipal Council | 1917-18 |
| Maxwells | - | Maxwells Garage | Ford 20 H.P. | F 59 | Fremantle Municipal Council | 1919 |
| May | A. | Bridgetown | Chevrolet | B ● 92 | Bridgetown Road Board | 1926-27 |
| May | A. | Dongolocking | Overland | DU ● 48 | Dumbleyung Road Board | 1927-28 |
| May | Arthur. H. | 175 Duke Street, East Fremantle | Morris-Cowley | 12451 | Metro Private Car | 1927-28 |
| May | F. | Commercial Road | Ford 15 H.P. | MJ 53 | Midland Junction Municipality | 1916 |
| May | Frank | Commercial Road | Ford 15 H.P. | MJ 53 | Midland Junction Municipality | 1915 |
| May | G. L. | Koorda | Overland | WM ● 83 | Wyalkatchem Road Board | 1926-27 |
| May | G. L. | Koorda | Overland | WM ● 83 | Wyalkatchem Road Board | 1927-28 |
| May | G. W. | Korrelocking | Chevrolet Truck | WM ● 332 | Wyalkatchem Road Board | 1927-28 |
| May | H. | Midland Junction | - | Ce 38 | Cottesloe Municipality | 1915 |
| May | H. J. | Albany | Dodge | A 34 | Albany Municipality | 1927-28 |
| May | H. W. | Royal Street, Claremont | Ford Wagon | 9961 | Metro Private Car | 1927-28 |
| May | Herbert | Perth-Fremantle Road | Ford 15 H.P. | Ce ● 37 | Cuballing Road Board | 1917-18 |
| May | Herbert | Perth-Fremantle Road | Ford 15 H.P. | Ce 37 | Municipality of Cottesloe | 1919 |
| May | J. J. | Brunswick | Ford | H ● 158 | Harvey Road Board | 1926-27 |
| May | J. J. | Brunswick | Ford | H ● 158 | Harvey Road Board | 1927-28 |
| May | J. W. | Kellerberrin | Triumph 3½ H.P. Motorcycle | KE ● 13 | Kellerberrin Road Board | 1917-18 |
| May | J. W. | Kellerberrin | Buick | KE ● 193 | Kellerberrin Road Board | 1926-27 |
| May | K. | Eleanor Street, Geraldton | Gray | GN 144 | Geraldton Municipality | 1927-28 |
| May | Mrs E. | 5 Williams Road, Fremantle | Buick | 9219 | Metro Private Car | 1925-26 |
| May | Mrs E. | 5 Williams Road, Fremantle | Buick | 9219 | Metro Private Car | 1926-27 |
| May | Mrs E. | 5 William Street, Fremantle | Buick | 9219 | Metro Private Car | 1927-28 |
| May | R. A | - | Buick | MW ● 56 | Mullewa Road Board | 1927-28 |
| May | Robt | Bridgetown | Chevrolet | B ● 92 | Bridgetown Road Board | 1927-28 |
| May | S. G. | Doodlakine | Ford | KE ● 4 | Kellerberrin Road Board | 1925-26 |
| May | S. G. | Doodlakine | Ford | KE ● 4 | Kellerberrin Road Board | 1926-27 |
| May | S. G. | Doodlakine | Ford | KE ● 4 | Kellerberrin Road Board | 1927-28 |
| May | W. | Holyoake | Chevrolet | MY ● 1 | Murray Road Board | 1926-27 |
| May | W. | Holyoake | Chevrolet | MY ● 1 | Murray Road Board | 1927-28 |
| May | W. T. | Young,s Siding | Oldsmobile | A ● 46 | Albany Road Board | 1927-28 |
| May Ltd | M. A. | Saint Georges House, Perth | Ford | 13226 | Metro Private Car | 1926-27 |
| Mayberry | W. J. | Lake Brown via Nugarin | Dodge | 11382 | Metro Private Car | 1926-27 |
| Mayberry | W. J. | Nungarin | Studebaker | NA ● 163 | Nungarin Road Board | 1927-28 |
| Mayer | P. A. | 890 Hay Street, Perth | Ford | 696 | Metro Private Car | 1922-23 |
| Mayger | J. F. | West Swan | Studebaker | 4791 | Metro Private Car | 1926-27 |
| Mayger | J. F. | West Swan | Studebaker | SW ● 34 | Swan Road Board | 1927-28 |
| Maylands Board of Health | - | Maylands | Dennis Wagon | 6001 | Metro Private Car | 1927-28 |
| Maylands Local Board of Health | - | - | Dennis Truck | P ● 221 | Perth Road Board | 1927-28 |
| Maynard | C. T. | 140 Palmer Street, Perth | Excelsior & Sidecar | 880 | Metro Motorcycle | 1922-23 |
| Maynard | F. | Doodenaning | Studebaker | Q ● 103 | Quairading Road Board | 1926-27 |
| Maynard | F. | Doodenanning | Studebaker | Q ● 103 | Quairading Road Board | 1927-28 |
| Maynard | F. L. | Durawah | Studebaker 20 H.P. | CU ● 5 | Upper Chapman Road Board | 1917-18 |
| Maynard | F. L. | Durawah | Studebaker 20 H.P. | CU ● 5 | Chapman Upper Road Board | 1919 |
| Maynard | F. L. | Northern Gully | Studebaker | CU ● 5 | Upper Chapman Road Board | 1922-23 |
| Maynard | F. L. | Northan Gully | Studebaker | CU 5 | Chapman Upper Road Board | 1923 - 1924 |
