| Miller | Fred J. G. | Toodyay | Studebaker 25 H.P. | TRB 8 | Toodyay Road Board | 1915 |
| Miller | H. E. | Bunbury | Studebaker | BY 202 | Bunbury Municipality | 1927-28 |
| Miller | L. G. | Narrogin | Studebaker | NGN 54 | Narrogin Municipality | 1924-25 |
| Miller | R. G | Wogolin | Dodge | WK ● 197 | Wickepin Road Board | 1926-27 |
| Miller | R. G. | Wogolin | Dodge | WK ● 197 | Wickepin Road Board | 1927-28 |
| Miller | W. G. | Cunderdin | Chevrolet | ME ● 284 | Meckering Road Board | 1926-27 |
| Miller | W. G. | Cunderdin | Chevrolet | ME ● 284 | Meckering Road Board | 1927-28 |
| Millington | H. | Gairdner Street | Studebaker | N 175 | Northam Municipality | 1926-27 |
| Millington | H. | Gairdner Street | Studebaker | N 175 | Northam Municipality | 1927-28 |
| Millington | S. | Meckering | Rugby | ME ● 116 | Meckering Road Board | 1927-28 |
| Mills | J. M. | Waroona | Overland | DK ● 57 | Drakesbrook Road Board | 1927-28 |
| Mills | Mrs S. | Cunderdin | Chevrolet Truck | ME ● 303 | Meckering Road Board | 1927-28 |
| Mills | P. C. | Albany | Studebaker | A 36 | Municipality of Albany | 1924-25 |
| Mills | P. C. | Albany | Studebaker | A 36 | Municipality of Albany | 1925-26 |
| Mills | P. C. | Albany | Studebaker | A 36 | Municipality of Albany | 1926-27 |
| Mills | P. C. | Albany | Studebaker | A 36 | Albany Municipality | 1927-28 |
| Mills | Percy | Festing Street | Studebaker 20 H.P. for Trade or Hire | A 36 | Albany Municipality | 1922-23 |
| Mills | Percy | Albany | Studebaker | A 36 | Albany Municipality | 1923-24 |
| Mills | S. | South Cunderdin | Buick | ME ● 56 | Meckering Road Board | 1922-23 |
| Mills | S. | South Cunderdin | Buick | ME ● 56 | Meckering Road Board | 1923-24 |
| Mills | S. | South Cunderdin | Buick | ME ● 56 | Meckering Road Board | 1924-25 |
| Mills | S. | South Cunderdin | Ford | ME ● 56 | Meckering Road Board | 1925-26 |
| Mills | S. | Cunderdin | Oldsmobile | ME ● 247 | Meckering Road Board | 1926-27 |
| Mills | S. | South Cunderdin | Oldsmobile | ME ● 247 | Meckering Road Board | 1927-28 |
| Mills | Vera | Armadale | Buick | A-K ● 87 | Armadale-Kelmscott Road Board | 1924-25 |
| Mills | Vera | Armadale | Overland | A-K ● 92 | Armadale-Kelmscott Road Board | 1925-26 |
| Mills | Vera | Armadale | Overland | A-K ● 92 | Armadale-Kelmscott Road Board | 1926-27 |
| Mills | W. J. | Wagin | Studebaker | WN 29 | Wagin Municipality | 1925-26 |
| Mills | W. J. | Wagin | Studebaker | WN 32 | Wagin Municipality | 1925-26 |
| Mills | W. J. | Wagin | Studebaker | WN ● 32 | Wagin Municipality | 1926-27 |
| Milne | J. F. | 21 Market Street, Guildford | Fiat Wagon | 6919 | Metro Private Car | 1924-25 |
| Milne | J. F. | 21 Market Street, Guildford | Fiat Wagon | 6919 | Metro Private Car | 1925-26 |
| Milne | J. S. | 21 Market Street, Guildford | Overland | 2233 | Metro Private Car | 1923-24 |
| Milne | J. S. | 91 Market Street, Guildford | Oakland | 2233 | Metro Private Car | 1925-26 |
| Milne | J. S. | 31 Market Street, Guildford | Oakland | 2233 | Metro Private Car | 1927-28 |
| Milne | John S. | 21 Market Street, Guildford | Oakland | 2233 | Metro Private Car | 1924-25 |
| Minchin | F. | Dangin | Studebaker | Q ● 23 | Quairading Road Board | 1924-25 |
| Minchin | H. K. | Meckering | Ford | ME ● 312 | Meckering Road Board | 1927-28 |
| Mine Workers Relief | - | Box 101 | Ford 19 H.P. | KMC 3 | Kalgoorlie Municipal Council | 1922-23 |
| Mine Workers Relief | - | Box 101 | Ford 19 H.P. | KMC ● 3 | Kalgoorlie Municipality | 1923-24 |
| Mine Workers Relief | - | | Ford | KMC 3 | Kalgoorlie Municipal Council | 1924-25 |
| Mine Workers Relief | - | - | Ford | KMC 3 | Kalgoorlie Municipality | 1924-25 |
| Mine Workers Relief Fund | - | Maritana Street | Ford | KMC 3 | Kalgoorlie Municipal Council | 1925-26 |
| Mine Workers Relief Fund | - | Maritana Street | Ford | KMC 3 | Kalgoorlie Municipal Council | 1926-27 |
| Mine Workers Relief Fund | - | Maritana Street | Ford | KMC 3 | Kalgoorlie Municipal Council | 1927-28 |
| Mines Workers Relief | - | Maritana Street | B.S.A. 3½ H.P. Motorcycle | KMC 76 | Kalgoorlie Municipality | 1919 |
| Miniken | H. | Eric Street, Cottesloe | Ford Wagon | 10139 | Metro Hire or Trade | 1927-28 |
| Miniken | H. G. N. | Eric Street, Cottesloe | Chevrolet Wagon | 10393 | Metro Hire or Trade | 1927-28 |
| Miniken | H. L. | Eric Street, Cottesloe | Chevrolet Wagon | 3923 | Metro Hire or Trade | 1924-25 |
| Miniken | H. L. | Eric Street, Cottesloe | Chevrolet Wagon | 3923 | Metro Hire or Trade | 1925-26 |
