| Mortlock | S. F. | Queens Street, Perth | Harley 7 H.P. Motorcycle | P 928 | Perth Municipality | 1917-18 |
| Mortlock | S. F. | Queen Street | Harley-Davidson 9 H.P. | P 928 | Perth Municipality | 1919 |
| Mortlock | Sydney F. N. | Walton Road | B.S.A. 4 H.P. | VP 33 | Victoria Park Municipality | 1916 |
| Mortlock Bros | - | Queens Street, Perth | Dealers Car | 2974 | Metro Trade Vehicle | !922-23 |
| Mortlock Bros | - | Queens Street, Perth | Dealers Car | 2964 | Metro Trade Vehicle | 1922-23 |
| Mortlock Bros | - | 870 Hay Street, Perth | Chevrolet Wagon | 11158 | Metro Private Car | 1926-27 |
| Mortlock Bros | - | 890 Hay Street, Perth | Chevrolet Wagon | 11158 | Metro Private Car | 1927-28 |
| Mortlock Bros. | - | Queen Street | B.S.A. 3½ H.P. Motorcycle | P 230 | Perth Municipality | 1915 |
| Mortlock Bros. | - | Queen Street | Moto-Reve 2 H.P. | P 234 | Perth Municipality | 1915 |
| Mortlock Bros. | - | Hay Street, Perth | Dealers | 2974 | Metro Dealers Car | 1923-24 |
| Mortlock Brothers | - | 26 Queen Street | Flanders | P 230 | Perth Municipality | 1916 |
| Morton | A. | Trayning | Rugby | KTY ● 132 | Kununoppin-Trayning Road Board | 1926-27 |
| Morton | A. | Trayning | Rugby | KTY ● 132 | Kununoppin-Trayning Road Board | 1927-28 |
| Morton | A. M. | Narembeen | Dodge | NB ● 191 | Narembeen Road Board | 1927-28 |
| Morton | Alice | Narembeen | Overland Wagon | NB ● 76 | Narembeen Road Board | 1925-26 |
| Morton | Alice | Narembeen | Overland Wagon | NB ● 76 | Narembeen Road Board | 1926-27 |
| Morton | Alice | Narembeen | Overland Wagon | NB ● 76 | Narembeen Road Board | 1927-28 |
| Morton | Dr A. E | 513 Albany Road, Victoria Park | Overland | 1427 | Metro Private Car | 1925-26 |
| Morton | Dr A. E. | 271 Albany Road, Victoria Park | Overland | 1427 | Metro Private Car | 1922-23 |
| Morton | Dr A. E. | 513 Albany Road, Victoria Park | Overland | 1427 | Metro Private Car | 1924-25 |
| Morton | Dr A. E. | 520 Albany Road, Victoria Park | Fiat | 1427 | Metro Private Car | 1926-27 |
| Morton | Dr A. E. | 520 Albany Road, Victoria Park | Fiat | 1427 | Metro Private Car | 1927-28 |
| Morton | Dr. A. E. | 271 Albany Road, Victoria Park | Overland | 1427 | Metro Private Car | 1923-24 |
| Morton | H. K. | Jitarning | Chevrolet Truck | KU ● 46 | Kulin Road Board | 1926-27 |
| Morton | H. K. | Jitarning | Chevrolet Truck | KU ● 46 | Kulin Road Board | 1927-28 |
| Morton | J. | Mandiga | Ford | MM 43 | Mount Marshall Road Board | 1924-25 |
| Morton | John | Mandiga | Ford Truck | MM ● 165 | Mount Marshall Road Board | 1927-28 |
| Morton | L. | Trayning | Rugby | KTY ● 128 | Kununoppin-Trayning Road Board | 1926-27 |
| Morton | L. | Trayning | Rugby | KTY ● 128 | Kununoppin-Trayning Road Board | 1927-28 |
| Morton | R. | Spearwood | Ford Wagon | 9046 | Metro Private Car | 1925-26 |
| Morton | R. | Barrington Road, Spearwood | Republic | 3843 | Metro Hire or Trade | 1925-26 |
| Morton | R. | Barrington Road, Spearwood | Republic | 3869 | Metro Hire or Trade | 1925-26 |
| Morton | R. | Barrington Road, Spearwood | Republic | 3869 | Metro Hire or Trade | 1926-27 |
| Morton | R. | Parrington Road, Spearwood | Brockway | 12271 | Metro Private Car | 1926-27 |
| Morton | R. | Spearwood | Republic Wagon | 15876 | Metro Private Car | 1927-28 |
| Morton | Robert | Spearwood | Republic Wagon | 12352 | Metro Private Car | 1927-28 |
| Morton | S. | Korbel | Chevrolet | MD ● 7 | Merredin Road Board | 1927-28 |
| Morton | V. | Trayning | Essex | KTY ● 42 | Kununoppin-Trayning Road Board | 1925-26 |
| Morton | V. | Trayning | Republic Truck | KTY ● 126 | Kununoppin-Trayning Road Board | 1926-27 |
| Morton | V. | Trayning | Republic Truck | KTY ● 126 | Kununoppin-Trayning Road Board | 1927-28 |
| Morton | V. L. | 4 Bennett Street, E.Perth | Ford | 2470 | Metro Private Car | 1922-23 |
| Mose | Gladys | Hay Street | Studebaker 25 H.P | P 1051 | Perth Municipality | 1917-18 |
| Mosedale | A. N. | Denmark | Ford Truck | DE ● 61 | Denmark Road Board | 1927-28 |
| Mosedale | H. V. | Lowden | Buick 4 H.P. | PE ● 1 | Preston Road Board | 1922-23 |
| Mosedale | H. V. | Lowden | Buick | PE ● 1 | Preston Road Board | 1923-24 |
| Mosedale | H. V. | Lowden | Buick | PE ● 1 | Preston Road Board | 1924-25 |
| Mosedale | H. V. | Lowden | Buick | PE ● 1 | Preston Road Board | 1925-26 |
| Mosedale | H. V. | Lowden | Buick | PE ● 1 | Preston Road Board | 1926-27 |
| Mosedale | H. V. | Lowden | Buick | PE ● 1 | Preston Road Board | 1927-28 |
| Mosel | N. F. | 1 Marlon Street, Leederville | Ford | 7889 | Metro Private Car | 1927-28 |
