| Mitchell & Sons | L. D. | Yallalong | Overland | MW ● 48 | Mullewa Road Board | 1925-26 |
| Mitchell & Sons | L. D. | Yallalong | Buick | MW ● 50 | Mullewa Road Board | 1925-26 |
| Mitchell & Sons | L. D. | Yallalong | Ford | MW ● 56 | Mullewa Road Board | 1925-26 |
| Mitchell & Sons | L. D. | Yallalong Station | G.M.C. Truck | MU ● 51 | Murchison Road Board | 1925-26 |
| Mitchell & Sons | L. D. | Yallalong Station | Hupmobile | MU ● 52 | Murchison Road Board | 1925-26 |
| Mitchell & Sons | L. D. | Yallalong Station | Overland | MU ● 53 | Murchison Road Board | 1925-26 |
| Mitchell & Sons | L. D. | Yallalong Station | Ford Truck | MU ● 54 | Murchison Road Board | 1925-26 |
| Mitchell & Sons | L. D. | Yallalong | Hupmobile | MW ● 17 | Mullewa Road Board | 1926-27 |
| Mitchell & Sons | L. D. | Yallalong | Overland | MW ● 48 | Mullewa Road Board | 1926-27 |
| Mitchell & Sons | L. D. | Yallalong | Buick | MW ● 50 | Mullewa Road Board | 1926-27 |
| Mitchell & Sons | L. D. | Yallalong | Ford Lorry | MW ● 56 | Mullewa Road Board | 1926-27 |
| Mitchell & Sons | L. D. | Yallagong Station | G.M.C Truck | MU ● 51 | Murchison Road Board | 1926-27 |
| Mitchell & Sons | L. D. | Yallagong Station | Hupmobile | MU ● 52 | Murchison Road Board | 1926-27 |
| Mitchell & Sons | L. D. | Yallagong Station | Overland | MU ● 53 | Murchison Road Board | 1926-27 |
| Mitchell & Sons | L. D. | Yallagong Station | Ford Truck | MU ● 54 | Murchison Road Board | 1926-27 |
| Mitchell & Sons. | - | Yallalong | Overland Motorcycle | MU ● 6 | Murchison Road Board | 1917-18 |
| Mitchell Aborigines Department | - | Roebourne | Overland | R ● 52 | Roebourne Road Board | 1926-27 |
| Mitchem | F. | Muchea | Ford Wagon | CH ● 22 | Chittering Road Board | 1924-25 |
| Mitchem | F. | Muchea | Bean Wagon | CH ● 22 | Chittering Road Board | 1926-27 |
| Mitchem | F. | Muchea | Bean Wagon | CH ● 22 | Chittering Road Board | 1927-28 |
| Mitchem | F. T. | Muchea | Bean Wagon | CH ● 22 | Chittering Road Board | 1925-26 |
| Mitchem | H. W. | Muchea | Bean Wagon | CH ● 29 | Chittering Road Board | 1925-26 |
| Mithchell | W. | Wagin | Studebaker | W ● 13 | Wagin Road Board | 1924-25 |
| Mitting | J. F. | North Dandalup | Rugby | MY ● 80 | Murray Road Board | 1927-28 |
| Miunn | R. F. | 232 Adelaide Terrace, Perth | Stephens | 1748 | Metro Private Car | 1927-28 |
| Mix | J. B. | Newbicup, Tweed | Ford | BU ● 1 | Upper Blackwood Road Board | 1927-28 |
| Mizen | A. | Wyalkatchem | Cleveland | WM ● 82 | Wyalkatchem Road Board | 1924-25 |
| Mizen | A. | Wyalkatchem | Cleveland | WM ● 82 | Wyalkatchem Road Board | 1925-26 |
| Mizen | G. | Wyalkatchem | Motorcycle 4 H.P. | D ● 4 | Dowerin Road Board | 1917-18 |
| Mizen | G. | Wyalcatchem | Motor Cycle 4 H.P. | D ● 4 | Dowerin Road Board | 1919 |
| Mizen | G. A. D. | Wyalkatchem | Harley-Davidson Motorcycle | WM ● 1 | Wyalkatchem Road Board | 1922-23 |
| Mizen | G. A. D. | 6 Clotilde Street, Mount Lawley | Studebaker | 10437 | Metro Hire or Trade | 1926-27 |
| Mizen | O. M. | Hilda Street, Subiaco | Ford | 4462 | Metro Private Car | 1925-26 |
| Mizen | O. M. | 24 Aberdeen Road, West Subiaco | Ford | 13281 | Metro Private Car | 1926-27 |
| Mizen | O. M. | 24 Adadare Road, West Subiaco | Ford | 13281 | Metro Private Car | 1927-28 |
| Mizen & Son | A. | Wyalkatchem | FWD Truck | WM ● 122 | Wyalkatchem Road Board | 1926-27 |
| Mizen & Son | A. | Wyalkatchem | FW.D. Truck | WM ● 122 | Wyalkatchem Road Board | 1927-28 |
| Mizen & Sons | - | Wyalkatchem | Studebaker | WM ● 3 | Wyalkatchem Road Board | 1926-27 |
| Mizen & Sons | - | Wyalkatchem | Studebaker | WM ● 3 | Wyalkatchem Road Board | 1927-28 |
| Moar | H. | 66 Suburban Road, South Perth | Oldsmobile | 8050 | Metro Private Car | 1925-26 |
| Moar | H. | 66 Suburban Road, South Perth | Oldsmobile | 8050 | Metro Private Car | 1926-27 |
| Moate | H. | Brunswick Road | Hupmobile for Trade or Hire | A 101 | Albany Municipality | 1922-23 |
| Moate | Herk | Albany | Hupmobile | A101 | Albany Municipality | 1923-24 |
| Moate | J. T. | Albany | Maxwell 20 H.P. | A 82 | Albany Municipality | 1916 |
| Mockridge | E. W. | East Street | Rudge 3½ H.P. Motorcycle | G 12 | Guildford Municipality | 1915 |
| Mockridge | E. W. | C/o. Unbehaun & Johnstone, King Street | Rudge-Multi 3½ H.P. Motorcycle | P 886 | Perth Municipality | 1916 |
| Mockridge | E. W. | Viewway Nedlands | Essex | 7212 | Metro Private Car | 1925-26 |
| Mockridge | E. W. | Viewway Nedlands | Essex | 7212 | Metro Private Car | 1926-27 |
| Mockridge | E. W. | Viewway Nedlands | Essex | 7212 | Metro Private Car | 1927-28 |
| Mocre | F. C. | Yorkrakine | Hupmobile | WM ● 120 | Wyalkatchem Road Board | 1926-27 |
