| McIntyre | W. H. | Westonia | Ford Truck | WT ● 16 | Westonia Road Board | 1925-26 |
| McJanet | F. J. | Kununoppin | Dodge | KTY ● 63 | Kununoppin-Trayning Road Board | 1924-25 |
| McJannett | J. B. | Kununoppin | Dodge | KTY ● 63 | Kununoppin-Trayning Road Board | 1925-26 |
| McKae | B. | 599 Beaufort Street, Perth | Chevrolet | 2427 | Metro Private Car | 1924-25 |
| McKae | D. | Quairading | Ford | Q ● 89 | Quairading Road Board | 1927-28 |
| McKanzie | A. | Bourke Street | Ford 20 H.P. | KMC 30 | Kalgoorlie Municipality | 1916 |
| McKay | - | 36 Pier Street | B.S.A. 4 H.P. Motorcycle | P 553 | Perth Municipality | 1917-18 |
| McKay | - | Burgoyne Street | Ford | N 190 | Northam Municipality | 1926-27 |
| McKay | . | 9 Leake Street, Cottesloe | Oldsmobile | 3121 | Metro Hire or Trade | 1926-27 |
| Mckay | A. | - | B.S.A. | CB ● 19 | Cottesloe Beach Road Board | 1919 |
| McKay | A. | 49 Shepperton Road, Victoria Park | Chevrolet | 13369 | Metro Private Car | 1926-27 |
| McKay | Alec | Glyde Street, Cottesloe Beach | Ford 18 H.P. | CB ● 15 | Cottesloe Beach Road Board | 1919 |
| McKay | Alice | Shepparton Road, South Perth | Chevrolet | 13369 | Metro Private Car | 1927-28 |
| McKay | C. M. | Roy Hill | Austin 20 H.P. | NU 4 | Nullagine Road Board | 1919 |
| McKay | Charles | Outridge Terrace | Wolseley 16-20 H.P. Hire Car | KMC 47 | Kalgoorlie Municipal Council | 1917-18 |
| McKay | Chas. C. | Outridge Terrace | Wolseley | KMC 47 | Kalgoorlie Municipality | 1919 |
| McKay | Cliff. Clark. | 896 Hay Street, Perth | Dodge | 538 | Metro Private Car | 1924-25 |
| McKay | D. | Manjimup | Essex | WA ● 11 | Manjimup Road Board | 1925-26 |
| McKay | D. | Manjimup | Essex | WA ● 11 | Manjimup Road Board | 1926-27 |
| McKay | D. | Manjimup | Brockway Truck | WA ● 126 | Manjimup Road Board | 1926-27 |
| McKay | D. | Manjimup | Essex | WA ● 11 | Manjimup Road Board | 1927-28 |
| McKay | D. | Manjimup | Brookway Truck | WA ● 126 | Manjimup Road Board | 1927-28 |
| McKay | Donald | Manjimup | Dodge | WA ● 11 | West Arthur Road Board | 1922-23 |
| McKay | Donald | Manjimup | Essex | WA ● 11 | Warren Road Board | 1923-24 |
| McKay | Donald | Manjimup | Essex | WA ● 11 | Warren Road Board | 1924-25 |
| McKay | G. | 11 Alvan Street, Mount Lawley | Fiat | 274 | Metro Private Car | 1926-27 |
| McKay | G. | 11 Alvan Street, Mount Lawley | Fiat | 274 | Metro Private Car | 1926-27 |
| Mckay | G. | 11 Alvan Street, Mount Lawley | Fiat | 274 | Metro Private Car | 1927-28 |
| McKay | G. L. | Goomalling | Austin | GO ● 24 | Goomalling Road Board | 1927-28 |
| McKay | Geo | 11 Alvan Street, Mount Lawley | Dodge | 274 | Metro Private Car | 1925-26 |
| McKay | Geo. | 11 AlVan Street, Mount Lawley | Dodge | 274 | Metro Private Car | 1923-24 |
| McKay | Geo. | 11 Alvan Street, Mount Lawley | Dodge | 274 | Metro Private Car | 1926-27 |
| McKay | George | 11 Alvan Street, Mount Lawley | Dodge | 274 | Metro Private Car | 1922-23 |
| McKay | H. | Narembeen | Whippet | BK ● 311 | Bruce Rock Road Board | 1927-28 |
| McKay | H. V. | Josephine Street | Premier 3½ H.P. Motorcycle | F 40 | Fremantle Municipality | 1916 |
| McKay | H. V. | Pier Street | Triumph 4 H.P. | P 553 | Perth Municipality | 1916 |
| McKay | H. V. | Sunshine Harvester Co | Premier 3½ Motorcycle | F 162 | Fremantle Municipal Council | 1917-18 |
| McKay | H. V. | High Street | B.S.A. 4½ H.P. Motorcycle | F 133 | Fremantle Municipal Council | 1919 |
| McKay | H. V. | 7 Sunshine Harvester | Premier 3½ H.P. Motorcycle | F 162 | Fremantle Municipal Council | 1919 |
| McKay | H. V. | Murray Street, Perth | Dodge | 7745 | Metro Private Car | 1925-26 |
| McKay | H. V. | Murray Street, Perth | Chrysler | 14098 | Metro Private Car | 1926-27 |
| McKay | H. V. (Deans) | Vaucluse Street, Claremont | Hupmobile 18 H.P. | Ce ● 26 | Cuballing Road Board | 1917-18 |
| McKay | J. | Mundijong | Overland | SJ ● 18 | Serpentine-Jarrahdale Road Board | 1925-26 |
| McKay | J. | Greenbushes | Rugby | GR ● 18 | Greenbushes Road Board | 1925-26 |
| McKay | J. | Coolup | Chrysler | MY ● 208 | Murray Road Board | 1926-27 |
| McKay | J. | Mundijong | Overland | SJ ● 18 | Serpentine-Jarrahdale Road Board | 1926-27 |
| McKay | J. | York | Ford Truck | Y 76 | York Municipality | 1926-27 |
| McKay | J. | Greenbushes | Rugby | GR ● 18 | Greenbushes Road Board | 1926-27 |
| Mckay | J. | Mundijong | Overland | SJ ● 18 | Serpentine-Jarrahdale Road Board | 1927-28 |
| McKay | J. | York | Ford Truck | Y 76 | York Municipality | 1927-28 |
