| Malloch Bros. | - | William Street | Ford 20 H.P. | P 1277 | Perth Municipality | 1919 |
| Malloch Bros. | - | William Street, Perth | Dodge | 2474 | Metro Private Car | 1923-24 |
| Malloch Bros. | - | William Street, Perth | Mottorette | 2746 | Metro Private Car | 1923-24 |
| Malloch Bros. | - | William Street, Perth | Dodge | 2879 | Metro Private Car | 1923-24 |
| Malloch Bros. | - | William Street, Perth | Grant | 1128 | Metro Private Car | 1923-24 |
| Malloch Bros. | - | William Street, Perth | Dodge | 1644 | Metro Private Car | 1923-24 |
| Malloch Bros. | - | William Street, Perth | Dealers | 2941 | Metro Dealers Car | 1923-24 |
| Malloch Bros. | - | William Street, Perth | Ford Wagon | 4281 | Metro Private Car | 1923-24 |
| Malloch F. J. Govt Analyst Office | - | Perth | Chevrolet | 5540 | Metro Private Car | 1924-25 |
| Mallock | A. H. | 11 Wright Street | Grant 12 H.P. | P 964 | Perth Municipality | 1917-18 |
| Mallock | A. H. | 11 Wright Street | Grant 20 H.P. | P 964 | Perth Municipality | 1919 |
| Mallock Bros. | - | William Street | Grant 10 H.P. | P 342 | Perth Municipality | 1919 |
| Mallon | W. | Kalgoorlie | Overland | KMC 279 | Kalgoorlie Municipal Council | 1927-28 |
| Mallooh Bros | - | William Street, Perth | Chevrolrt | 11955 | Metro Private Car | 1927-28 |
| Malloy | T. | Strelley Station | Ford | MB ● 14 | Marbe Bar Road Board | 1922-23 |
| Malner | E. G. | Bay View Terrace, Claremont | Oveland | 6228 | Metro Private Car | 1924-25 |
| Malone | J. | Brookman Street, Kalgoorlie | Ford | KMC 33 | Kalgoorlie Municipal Council | 1926-27 |
| Malone | J. | Brookman Street, Kalgoorlie | Ford | KMC 33 | Kalgoorlie Municipal Council | 1927-28 |
| Malone | Mrs A. | 50 Hill Street, Perth | Ford | 2470 | Metro Private Car | 1923-24 |
| Malone | T. W. | Dalwallinu | Chevrolet | DL ● 6 | Dalwallinu Road Board | 1925-26 |
| Malone | T. W. | Dalwallinu | Chevrolet | DL ● 6 | Dalwallinu Road Board | 1926-27 |
| Malone | W. | Brookman Street | Ford | KMC 115 | Kalgoorlie Municipal Council | 1925-26 |
| Maloney | E. | - | Ford | GO ● 191 | Goomalling Road Board | 1926-27 |
| Maloney | E. | - | Ford | GO ● 191 | Goomalling Road Board | 1927-28 |
| Maloney | F. W. | Leonora | Overland | LM ● 64 | Leonora-Malcolm Road Board | 1922-23 |
| Maloney | G | - | Dodge | MW ● 69 | Mullewa Road Board | 1927-28 |
| Maloney | H. | Metropol Hotel | Scripps 14 H.P. | P 581 | Perth Municipality | 1917-18 |
| Maloney | J. | Wyndham | Ford | WY ● 8 | Wyndham Road Board | 1922-23 |
| Maloney | J. | Wyndham | Ford | WY ● 6 | Wyndham Road Board | 1922-23 |
| Maloney | J. | Wyndham | Ford | WY ● 6 | Wyndam Road Board | 1923-24 |
| Maloney | J. | Wyndham | Ford | WY ● 8 | Wyndam Road Board | 1923-24 |
| Maloney | J. | Wyndham | Ford | WY ● 6 | Wyndham Road Board | 1924-25 |
| Maloney | J. | Wyndham | Ford | WY ● 8 | Wyndham Road Board | 1924-25 |
| Maloney | J. | Wyndham | Ford | WY ● 8 | Wyndham Road Board | 1925-26 |
| Maloney | J. | Wyndham | Ford | WY ● 8 | Wyndham Road Board | 1926-27 |
| Maloney | J. | Wongan Hills | Chevrolet Truck | WB ● 201 | Wongan-Ballidu Road Board | 1927-28 |
| Maloney | J. | Wyndham | Ford | WY ● 8 | Wyndham Road Board | 1927-28 |
| Maloney | J. J. | 8 Mathoura Street, Midland Junction | Morris Cowley | 11907 | Metro Private Car | 1927-28 |
| Maloney | L. | Denmark | Austin | DE ● 42 | Denmark Road Board | 1927-28 |
| Maloney | Rev. J. | 46 Shaftesbury Street, Leederville | Rugby | 9400 | Metro Private Car | 1926-27 |
| Maloney | T. C. | Hotham | Rugby | MR ● 52 | Marradong Road Board | 1925-26 |
| Maloney | T. C. | Hotham | Rugby | MR ● 52 | Marradong Road Board | 1926-27 |
| Maloney & Potthoff | - | 452 Hay Street, Perth | Overland 20-25 H.P. | P 216 | Perth Municipality | 1916 |
| Malorey | F. | Leonora | Studebaker 21 H.P. | LM ● 60 | Leonora-Malcolm Road Board | 1922-23 |
| Malpas | Henry Lawrence | Meckering | Overland | ME ● 44 | Meckering Road Board | 1923-24 |
| Malpass | W. T. | 64 William Street | Perry 8 H.P. | P 420 | Perth Municipality | 1916 |
| Malsey | J. A. | Dowerin | Ford | D ● 53 | Dowerin Road Board | 1927-28 |
| Maltby | G. W. | Jarrahdale | B.S.A. 4 H.P. Motorcycle | SJ ● 1 | Serpentine-Jarrahdale Road Board | 1917-18 |
| Maltby | J. | Jarrahdale | - | SJ 1 | Serpentine Road Board | 1916 |
| Mamlyn | A. | Perth-Fremantle Road, Nedlands | Dodge | 7612 | Metro Private Car | 1927-28 |
