| Morris | M. | 48 Lawley Crescent, Mount Lawley | Studebaker | 11184 | Metro Private Car | 1926-27 |
| Morris | M. | 48 Lawley Crescent, Mount Lawley | Studebaker | 11184 | Metro Private Car | 1927-28 |
| Morris | P. A. | Dumbleyung | Studebaker | DU ● 137 | Dumbleyung Road Board | 1926-27 |
| Morris | P. A. | Dumbleyung | Studebaker | DU ● 137 | Dumbleyung Road Board | 1927-28 |
| Morrisey | Leslie | 55 Cargill Street, Victoria Park | Studebaker | 1677 | Metro Private Car | 1927-28 |
| Morrison | A. | C/o Vacuum Oil Co, Perth | Studebaker | 11241 | Metro Private Car | 1926-27 |
| Morrison | A. | C/o Vacoum Oil Co., Perth | Studebaker | 11241 | Metro Private Car | 1927-28 |
| Morrison | D. C. | Rokeby Road | - | S 19 | Subiaco Municipality | 1919 |
| Morrison | D. S. | Doodlakine | Ford Truck | KE ● 358 | Kellerberrin Road Board | 1927-28 |
| Morrison | J. | Meckering | Hupmobile | ME ● 51 | Meckering Road Board | 1923-24 |
| Morrison | J. | Meckering | Hupmobile | ME ● 51 | Meckering Road Board | 1924-25 |
| Morrison | James | Meckering | Hupmobile 20 H.P. | ME ● 51 | Meckering Road Board | 1922-23 |
| Morrissey | J. H. | Lake Biddy | Chevrolet Truck | LG ● 134 | Lake Grace Road Board | 1927-28 |
| Morrissey | M. | Ankertel | Buick | BR ● 37 | Black Range Road Board | 1926-27 |
| Morrissey | M. | Anketell | Buick | BR ● 37 | Black Range Road Board | 1927-28 |
| Morrissey | P. | Anketell via Sandstone | Ford | BR ● 30 | Black Range Road Board | 1925-26 |
| Morrissey | P. | Anketell via Sandstone | Ford | BR ● 30 | Black Range Road Board | 1926-27 |
| Morrow | J. | Newdegate | Ford Truck | LG ● 137 | Lake Grace Road Board | 1927-28 |
| Mort | J. H. | Byford | Ford Truck | A-K ● 93 | Armadale-Kelmscott Road Board | 1926-27 |
| Mort | J. H. | Byford | Flint 'Bus | A-K ● 124 | Armadale-Kelmscott Road Board | 1926-27 |
| Mort | J. H. | Byford | Flint | A-K ● 124 | Armadale-Kelmscott Road Board | 1927-28 |
| Mort | J. W. | Byford | Overland Truck | A-K ● 137 | Armadale-Kelmscott Road Board | 1927-28 |
| Mortimer | W. | Duke Street | Triumph Motorcycle | N 12 | Northam Municipality | 1917-18 |
| Mortimer | W. | Duke Street | Triumph | N 12 | Northam Municipality | 1919 |
| Mortimer | W. | Duke Street | Overland | N 8 | Northam Municipality | 1922-23 |
| Mortimer | W. | Duke Street | Indian Motorcycle | N 12 | Northam Municipality | 1922-23 |
| Mortimer | W. | Duke Street | Overland | N 8 | Northam Municipality | 1923-24 |
| Mortimer | W. | Duke Street | Overland | N 8 | Northam Municipality | 1924-25 |
| Mortimer | W. | Duke Street | Oakland | N 161 | Northam Municipality | 1925-26 |
| Mortin | H. | Elleker | Chevrolet | A ● 41 | Albany Road Board | 1926-27 |
| Mose | Gladys | Hay Street | Studebaker 25 H.P | P 1051 | Perth Municipality | 1917-18 |
| Mosey | B. | Lake Grace | Ford Truck | LG ● 45 | Lake Grace Road Board | 1925-26 |
| Moslin | H. A. | 127 Seventh Avenue, Maylands | Studebaker | 8590 | Metro Private Car | 1925-26 |
| Moss | Dr M. H. | 203 Lake Street | Oakland 25 H.P. | P 23 | Perth Municipality | 1917-18 |
| Moss | E. L. | Kirup | Studebaker | BN ● 5 | Balingup Road Board | 1924-25 |
| Moss | John | Kirup | Studebaker | BN ● 18 | Balingup Road Board | 1923-24 |
| 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 |
| Mott | B. B. | Kellerberrin | Bean Truck | KE ● 250 | Kellerberrin Road Board | 1927-28 |
| Mott | C. | Dumbleyung | Studebaker | DU ● 56 | Dumbleyung Road Board | 1923-24 |
| Mott | C. | Dumbleyung | Studebaker | DU ● 56 | Dumbleyung Road Board | 1924-25 |
| Mott | C. | Dumbleyung | Studebaker | DU ● 56 | Dumbleyung Road Board | 1925-26 |
| Mott | C. | Dumbleyung | Studebaker | DU ● 56 | Dumbleyung Road Board | 1927-28 |
| Mott | H | Dumbleyung | Studebaker | DU ● 101 | Dumbleyung Road Board | 1926-27 |
| Mott | H. | Dumbleyung | Studebaker | DU ● 101 | Dumbleyung Road Board | 1925-26 |
| Mott | H. | Dumbleyung | Studebaker | DU ● 101 | Dumbleyung Road Board | 1927-28 |
| Mott | W. | Dumbleyung | Studebaker | DU ● 16 | Dumbleyung Road Board | 1926-27 |
| Mott | W. | Dumbleyung | Studebaker | DU ● 16 | Dumbleyung Road Board | 1927-28 |
| Mottram | J. J. | Manjimup | Studebaker | WA ● 172 | Manjimup Road Board | 1926-27 |
