| Monger | G. R. | Hardy Junction Station, Onslow | Baby Triumph | AS ● 28 | Ashburton Road Board | 1922-23 |
| Monger | J. E. | 11 Mends Street, South Perth | Ford Van | 8011 | Metro Private Car | 1925-26 |
| Monger | L. A. | Darlington | Fiat | 8842 | Metro Private Car | 1925-26 |
| Monger | Mrs L. A. | Darlington | Fiat | GE ● 32 | Greenmount Road Board | 1924-25 |
| Monger | N. A. | 7 Regent Street, Mount Lawley | Overland | 4871 | Metro Private Car | 1923-24 |
| Monger | R. | Derby | Buick | KW ● 64 | West Kimberley Road Board | 1927-28 |
| Monger & Lee Steere | - | Wongoondy via Mullewa | Ford | MW ● 15 | Mullewa Road Board | 1924-25 |
| Monger & Lee Steere | - | Wongoonby | Ford | MW ● 15 | Mullewa Road Board | 1925-26 |
| Monger & Lee Steere | - | Wongoondy | Ford | MW ● 15 | Mullewa Road Board | 1926-27 |
| Monk | A. H. | Slade Street, Bayswater | Harley Dadidson & Sidecar | 853 | Metro Motorcycle | 1922-23 |
| Monk | E. | Slide Street, Bayswater | Chevrolet | 9556 | Metro Private Car | 1926-27 |
| Monk | L. | 132 Royal Street, East Perth | Motoreve 3½ H.P. Motorcycle | P 1162 | Perth Municipality | 1919 |
| Monk | Louis | 65 Hammersley Road | Car | S 61 | Subiaco Municipality | 1916 |
| Monk | Mrs E. | Slade Street, Bayswater | Chevrolet | 9556 | Metro Private Car | 1927-28 |
| Monkhouse | C. R. | Black Wall Reach Bicton | Citroen | 6324 | Metro Private Car | 1927-28 |
| Monkhouse | G. | Tamer Street, Palmyra | Chrysler | 12908 | Metro Private Car | 1927-28 |
| Monks | G. | Coomberdale | Ford | M ● 143 | Moora Road Board | 1926-27 |
| Monks | G. | Coomberdale | Ford | M ● 143 | Moora Road Board | 1927-28 |
| Monks | G. | Moora | Ford Truck | M ● 197 | Moora Road Board | 1927-28 |
| Monson | J. | Bencubbin | Overland | MM 24 | Mount Marshall Road Board | 1924-25 |
| Monson | J. | Bencubbin | Overland | MM ● 24 | Mount Marshall Road Board | 1925-26 |
| Monson | James | Bencubbin | Sunbeam | MM ● 24 | Mount Marshall Road Board | 1926-27 |
| Monson | James | Bencubbin | Sunbeam | MM ● 24 | Mount Marshall Road Board | 1927-28 |
| Monson | Laura T. | 1034 Wellington Street | Fiat | 6456 | Metro Private Car | 1926-27 |
| Monson | Mrs L. M. | Lenra Street, Nedlands | Fiat | 6456 | Metro Private Car | 1924-25 |
| Monson | Mrs L. M. | Leura Street, Nedlands | Fiat | 6456 | Metro Private Car | 1925-26 |
| Montague | A. | Minnivale | Ford | D ● 64 | Dowerin Road Board | 1924-25 |
| Montague | A. | Minnivale | Ford | D ● 64 | Dowerin Road Board | 1925-26 |
| Montague | A. | Minnivale | Dodge | D ● 64 | Dowerin Road Board | 1926-27 |
| Montague | A. | Minnivale | Dodge | D ● 64 | Dowerin Road Board | 1927-28 |
| Montague | A. R. | Minnivale | Triumph 3½ H.P. Motorcycle | D ● 4 | Dowerin Road Board | 1922-23 |
| Montague | A. R. | Dalwallinu | Chevrolet | DL ● 182 | Dalwallinu Road Board | 1927-28 |
| Montague | M. | 77 Crawford Road, Maylands | Chevrolet | 9088 | Metro Private Car | 1925-26 |
| Montague | M. | 77 Crawford Road, Maylands | Chevrolet | 9088 | Metro Private Car | 1926-27 |
| Montague | M. | 77 Crawford Road, Maylands | Chevrolet | 9088 | Metro Private Car | 1927-28 |
| Montague | W. | North Beach Road, Mount Hawthorn | W. Knight | 6494 | Metro Private Car | 1924-25 |
| Montague | W. | North Beach Road, Mount Hawthorn | Republic | 3710 | Metro Hire or Trade | 1926-27 |
| Montague | W. | cr Merrile St. & North Beach Rd | Rugby | 12970 | Metro Private Car | 1927-28 |
| Montague | Wm. | North Beach Road, Mount Hawthorn | Republic Wagon | 4221 | Metro Private Car | 1927-28 |
| Montcomery | - | Merriden | Rugby | MD ● 141 | Merredin Road Board | 1925-26 |
| Monteath | J. W. | 586 Hay Street, Perth | Essex | 688 | Metro Private Car | 1924-25 |
| Monteath | J. W. | 586 Hay Street, Perth | Essex | 688 | Metro Private Car | 1923-24 |
| Monteath | James W. | Hay Street, Subiaco | Essex | 688 | Metro Private Car | 1922-23 |
| Monteath | Jas. | c/o Monteath Bros. | - | S 140 | Subiaco Municipality | 1919 |
| Monteath | W | 114 Marion Street, Fremantle | Ford | 1121 | Metro Private Car | 1927-28 |
| Monteath | W. | 114 Marmion Street, Fremantle | Ford | 1121 | Metro Private Car | 1926-27 |
| Monteath | William | Subiaco | Napier 15 H.P. | P 32 | Perth Municipality | 1915 |
| Monteith | J. W. | 586 Hay Street, Subiaco | Cleveland | 6740 | Metro Private Car | 1925-26 |
| Monteith | J. W. | 586 Hay Street, Subiaco | Cleveland | 6740 | Metro Private Car | 1927-28 |
| Monteith | William | 588 Hay Street | Car | S 32 | Subiaco Municipality | 1916 |
