| Moore Bros | - | Beryinup | Chevrolet Truck | BU ● 103 | Upper Blackwood Road Board | 1926-27 |
| Moore Bros | - | Benjinup | Reo Truck | BU ● 70 | Upper Blackwood Road Board | 1927-28 |
| Moore Bros | - | Benjinup | Chevrolet Truck | BU ● 103 | Upper Blackwood Road Board | 1927-28 |
| Moore Florence | - | Dowerin | Maxwell | D ● 45 | Dowerin Road Board | 1926-27 |
| Moore River Native Settlement | - | Mogumber | Ford Truck | VP ● 52 | Victoria Plains Road Board | 1925-26 |
| Moore River Native Settlement | - | Mogumber | Ford Truck | VP ● 52 | Victoria Plains Road Board | 1926-27 |
| Moore River Native Settlement | - | Mogumber | Ford Truck | VP ● 52 | Victoria Plains Road Board | 1927-28 |
| Moore W. D. & Co | - | Henry Street, Fremantle | Overland | 7140 | Metro Private Car | 1926-27 |
| Moorehouse | C. | Finnerty Street, Fremantle | Harley Davidson & Sidecar | 1314 | Metro Motorcycle | 1922-23 |
| Moorhouse | M. | Finnerty Street, Fremantle | Ford | 1876 | Metro Private Car | 1925-26 |
| Moorhouse | Myles | Finnerty Street, Fremantle | Ford | 1876 | Metro Private Car | 1923-24 |
| Moorhouse | Myles | Finnerty Street, Fremantle | Ford | 1876 | Metro Private Car | 1924-25 |
| Moorhouse | Rev. | Wagin | Rugby | WN 36 | Wagin Municipality | 1925-26 |
| Moorhouse | Rev. | Wagin | Rugby | WN 36 | Wagin Municipality | 1926-27 |
| Moorhouse | Rev. | Wagin | Rugby | WN 36 | Wagin Municipality | 1927-28 |
| Moralee | J. | Kununoppin | Overland | KTY ● 41 | Kununoppin-Trayning Road Board | 1924-25 |
| Moralee | J. | Kununoppin | Overland | KTY ● 41 | Kununoppin-Trayning Road Board | 1926-27 |
| Moralee | J. | Kununoppin | Bean Truck | KTY ● 159 | Kununoppin-Trayning Road Board | 1927-28 |
| Morales | J. | Kununoppin | Overland | KTY ● 41 | Kununoppin-Trayning Road Board | 1925-26 |
| Moran | - | Lake Grace | Chevrolet Truck | LG ● 98 | Lake Grace Road Board | 1927-28 |
| Moran | C. J. | - | Ford 20 H.P. | DRB 5 | Dumbleyung Road Board | 1915 |
| Moran | C. J. | Dongolocking | Ford 20 H.P. | DU ● 5 | Dumbleyung Road Board | 1919 |
| Moran | C. J. | Dumbleyung | Ford 20 H.P. | DU ● 5 | Dumbleyung Road Board | 1922-23 |
| Moran | C. J. | Dumbleyung | Ford 20 H.P. | DU ● 5 | Dumbleyung Road Board | 1923-24 |
| Moran | C. J. | Dumbleyung | Dodge | DU ● 103 | Dumbleyung Road Board | 1925-26 |
| Moran | C. J. | Dumbleyung | Dodge | DU ● 103 | Dumbleyung Road Board | 1926-27 |
| Moran | C. J. | Dumbleyung | Dodge | DU ● 103 | Dumbleyung Road Board | 1927-28 |
| Moran | I. | Marble Bar | Dodge | MB ● 5 | Marble Bar Road Board | 1926-27 |
| Moran | J. | Mukinbudin | Dodge | NA ● 36 | Nungarin Road Board | 1925-26 |
| Moran | J. | Gnowangerup | Ford Truck | GN ● 128 | Gnowangerup Road Board | 1926-27 |
| Moran | J. | Nungarin | Chevrolet | NA ● 142 | Nungarin Road Board | 1927-28 |
| Moran | J. | Kurrawang | Overland | CG ● 10 | Coolgardie Road Board | 1927-28 |
| Moran | John | Nungarin | Dodge | NA ● 36 | Nungarin Road Board | 1924-25 |
| Moran | M. | Coolgardie | Whippet | CG ● 12 | Coolgardie Road Board | 1927-28 |
| Moran | Miss M. | Murray Road, Bicton | Overland | 7048 | Metro Private Car | 1927-28 |
| Moran | N. E. | Forrest Chrs. | Overland 18 H.P. | P 9 | Perth Municipality | 1919 |
| Moran | N. E. | 5 and 6 Forrest Chrs. | Stellite 8-10 H.P. | P 1044 | Perth Municipality | 1919 |
| Moran | N. E. | 48 King's Park Road, West Perth | Ford | 8628 | Metro Private Car | 1925-26 |
| Moran | N. E. | 48 Kings Park Road, West Perth | Dodge | 8628 | Metro Private Car | 1926-27 |
| Moran | N. E. | 48 Kings Park Road, West Perth | Dodge | 8628 | Metro Private Car | 1927-28 |
| Moran | P. | McNeil Street, Cottesloe | Morris Oxford | 15888 | Metro Private Car | 1927-28 |
| Moran | P. H. | 50 Esplanade, Cottesloe | Morris-Cowley | 9942 | Metro Private Car | 1926-27 |
| Moran | W. O. | - | B.S.A. 3½ H.P. Motorcycle | KMC 32 | Kalgoorlie Municipality | 1915 |
| Moran & Valpeed | - | 44 Goderich Street, East Perth | Chevrolet Wagon | 3756 | Metro Hire or Trade | 1925-26 |
| Morblock | H. J. | 890 Hay Street, Perth | Buick | 2307 | Metro Private Car | 1925-26 |
| Morcombe | D. T. | Coorow | Chrysler | CA ● 225 | Carnamah Road Board | 1927-28 |
| More | Robt. | Jandakot | Albion | F ● 16 | Fremantle Road Board | 1919 |
| More | Robt. | Jandakot | Standard 12 H.P. | F ● 17 | Fremantle Road Board | 1919 |
| Morecomb | W. G. | Coorow | Rugby | CA ● 76 | Carnamah Road Board | 1926-27 |
| Morecomb | W. G. | Coorow | Rugby | CA ● 76 | Carnamah Road Board | 1927-28 |
