| Mosey | B. | Lake Grace | Ford Truck | LG ● 45 | Lake Grace Road Board | 1925-26 |
| Mosey | W. | 8 Outram Street, West Perth | Willys-Knight | 4634 | Metro Private Car | 1924-25 |
| Mosey | W. | 8 Outram Street, West Perth | Willy Knight | 4634 | Metro Private Car | 1925-26 |
| Mosey | W. | 8 Outram Street, West Perth | Willys-Knight | 4634 | Metro Private Car | 1926-27 |
| Mosey | W. | 8 Outram Street, West Perth | Willys-Knight | 4634 | Metro Private Car | 1927-28 |
| Mosey | William | 8 Outram Street, West Perth | Willy's-Knight | 4634 | Metro Private Car | 1923-24 |
| Moslin | H. A. | 127 Seventh Avenue, Maylands | Studebaker | 8590 | Metro Private Car | 1925-26 |
| Moss | A. | Koojan | Talbot | M 13 | Moora Road Board | 1915 |
| Moss | A. | Koojan | Talbot | M 13 | Moora Road Board | 1916 |
| Moss | Dr M. H. | 203 Lake Street | Oakland 25 H.P. | P 23 | Perth Municipality | 1917-18 |
| Moss | Dr M. K. | 1325 Hay Street, Perth | Buick | 23 | Metro Private Car | 1922-23 |
| Moss | Dr M. K. | 1325 Hay Street, West Perth | Buick | 23 | Metro Private Car | 1925-26 |
| Moss | Dr M. K. | 1325 Hay Street, West Perth | Hudson | 23 | Metro Private Car | 1926-27 |
| Moss | Dr M. K. | 1325 Hay Street, West Perth | Hudson | 23 | Metro Private Car | 1926-27 |
| Moss | Dr M. K. | 1325 Hay Street, West Perth | Hudson | 23 | Metro Private Car | 1927-28 |
| Moss | E. | Koojan | Buick | M ● 61 | Moora Road Board | 1924-25 |
| Moss | E. | Koojan | Buick | M ● 61 | Moora Road Board | 1925-26 |
| Moss | E. | Kalamunda | Buick | DR ● 111 | Darling Range Road Board | 1926-27 |
| Moss | E. | Boyup Brook | Essex | BU ● 74 | Upper Blackwood Road Board | 1926-27 |
| Moss | E. | Boyup Brook | Essex | BU ● 74 | Upper Blackwood Road Board | 1927-28 |
| Moss | E. | Kalamunda | Buick | DR ● 111 | Darling Range Road Board | 1927-28 |
| Moss | E. L. | Kirup | Studebaker | BN ● 5 | Balingup Road Board | 1924-25 |
| Moss | F. C. | Merredin | Sunbeam 6 H.P. Motorcycle | MRB 23 | Merredin Road Board | 1915 |
| Moss | F. C. | Merredin | Sunbeam 6 H.P. | MD 23 | Merredin Road Board | 1916 |
| Moss | H. C. | Harvey | Ford Truck | H ● 88 | Harvey Road Board | 1924-25 |
| Moss | H. C. | Harvey | Reo Truck | H ● 88 | Harvey Road Board | 1925-26 |
| Moss | H. C. | Harvey | Chrysler | H ● 506 | Harvey Road Board | 1927-28 |
| Moss | J. | Kirup | Overland | BN ● 5 | Balingup Road Board | 1925-26 |
| Moss | J. H. | Kirup | General Motor Company Truck | BN ● 27 | Balingup Road Board | 1924-25 |
| Moss | J. H. | 8 Eilen Street, Subiaco | Essex | 10444 | Metro Hire or Trade | 1926-27 |
| Moss | John | East Kirup | Oakland | BN ● 18 | Balingup Road Board | 1922-23 |
| Moss | John | Kirup | Studebaker | BN ● 18 | Balingup Road Board | 1923-24 |
| Moss | L. B. | Merriden | Bean | MD ● 80 | Merredin Road Board | 1925-26 |
| Moss | L. B. B. | Kojonup | Essex | KO ● 51 | Kojonup Road Board | 1923-24 |
| Moss | M. | 634 Beaufort Street, Perth | Ford | 13716 | Metro Private Car | 1926-27 |
| Moss | M. K. | 3 Lake Street | Ford 20 H.P. | P 23 | Perth Municipality | 1915 |
| Moss | M. K. | 203 Lake Street | Ford 20 H.P. | P 23 | Perth Municipality | 1916 |
| Moss | M. K. | 203 Lake Street | Oakland 20 H.P. | P 23 | Perth Municipality | 1919 |
| Moss | M. M. | 20 Dean Street, Cottesloe | Buick | 6481 | Metro Private Car | 1924-25 |
| Moss | W. E. | Kondinin | Chevrolet | KN ● 67 | Kondinin Road Board | 1927-28 |
| Moss | W. E. C. | Narrogin | Maxwell 26 H.P. | NGN 15 | Narrogin Municipality | 1915 |
| Moss | W. E. C. | Narrogin | Maxwell 20 H.P. | NGN 15 | Narrogin Municipality | 1916 |
| Moss | W. E. C. | Narrogin | Ford Truck | NGN 14 | Narrogin Municipality | 1925-26 |
| Moss | W. E. C. | Narrogin | Ford Truck | NGN 14 | Narrogin Municipality | 1926-27 |
| Moss | W. E. C. | 11 Labouchere Road, South Perth | Dodge | 1282 | Metro Private Car | 1927-28 |
| Mossop | Jos. | Balgarrup | Chevrolet | WA ● 56 | Manjimup Road Board | 1927-28 |
| Motor Ambulance | - | Municipality of Northam | Buick | N 5 | Northam Municipality | 1925-26 |
| Motor Ambulance | - | Municipality of Northam | Buick | N 5 | Northam Municipality | 1927-28 |
| Motor Ambulance Municipality | - | Northam | Buick | N 5 | Northam Municipality | 1926-27 |
| Motor Deliveries Ltd | - | 147 Havelock Street, West Perth | Dealers | 20079 | Metro Dealers Car | 1925-26 |
