| McKay | J. | Coolup | Chrysler | MY ● 208 | Murray Road Board | 1927-28 |
| McKay | J. | Greenbushes | Rugby | GR ● 18 | Greenbushes Road Board | 1927-28 |
| McKay | J. A. | Kellerberrin | Dodge | KE ● 60 | Kellerberring Road Board | 1923-24 |
| McKay | J. A. | Kellerberrin | Dodge | KE ● 60 | Kellerberrin Road Board | 1924-25 |
| McKay | J. A. | Kellerberrin | Ford Truck | KE ● 139 | Kellerberrin Road Board | 1925-26 |
| McKay | J. A. | Kellerberrin | Dodge | KE ● 140 | Kellerberrin Road Board | 1925-26 |
| Mckay | J. A. | Jarnadup | Ford Truck | WA ● 65 | Manjimup Road Board | 1925-26 |
| McKay | J. A. | Kellerberrin | Ford Truck | KE ● 139 | Kellerberrin Road Board | 1926-27 |
| McKay | J. A. | Kellerberrin | Dodge | KE ● 140 | Kellerberrin Road Board | 1926-27 |
| McKay | J. A. | Kellerberrin | Ford Truck | KE ● 139 | Kellerberrin Road Board | 1927-28 |
| McKay | J. A. | Kellerberrin | Dodge | KE ● 140 | Kellerberrin Road Board | 1927-28 |
| McKay | J. A. | Kellerberrin | Chevrolet Truck | KE ● 351 | Kellerberrin Road Board | 1927-28 |
| McKay | J. H | Bruce Rock | Oakland | BK 23 | Bruce Rock Road Board | 1923 - 1924 |
| McKay | J. H. | Bruce Rock | Oakland | BK ● 23 | Bruce Rock Road Board | 1924-25 |
| McKay | J. M. | 52 Mable Street, North Perth | Studebaker | 796 | Metro Private Car | 1922-23 |
| McKay | J. M. | Bruce Rock | Ford Truck | BK ● 179 | Bruce Rock Road Board | 1925-26 |
| McKay | J. M. | Bruce Rock | Ford Truck | BK ● 179 | Bruce Rock Road Board | 1926-27 |
| McKay | J. S. | Goomalling | Bean | GO ● 136 | Goomalling Road Board | 1925-26 |
| McKay | J. S. | Goomalling | Bean | GO ● 136 | Goomalling Road Board | 1926-27 |
| McKay | J. S. | Goomalling | Bean | GO ● 137 | Goomalling Road Board | 1927-28 |
| McKay | James A. | Jarnadup | Ford Truck | WA ● 65 | Warren Road Board | 1924-25 |
| McKay | Jos | York | Ford Wagon | Y 76 | York Municipality | 1924-25 |
| McKay | Jos. | York | Ford Wagon | Y 76 | York Municipality | 1925-26 |
| McKay | Keith | c/o Dalgety's, Perth | Minerva | 4848 | Metro Private Car | 1923-24 |
| McKay | L. | Serpentine | Dodge Truck | SJ ● 115 | Serpentine-Jarrahdale Road Board | 1927-28 |
| McKay | L. A. | Wagin | Ford | W ● 93 | Wagin Road Board | 1927-28 |
| McKay | L. G. | Bibra Lake | Ford | 12445 | Metro Private Car | 1927-28 |
| McKay | Mrs F. | Glyde Street, Cottesloe Beach | Essex | 13285 | Metro Private Car | 1926-27 |
| McKay | Mrs F. | Glyde Street, Cottesloe Beach | Essex | 13285 | Metro Private Car | 1927-28 |
| McKay | Mrs H. M. | Bencubbin | Chevrolet | MM ● 30 | Mount Marshall Road Board | 1925-26 |
| McKay | Mrs H. M. | Bencubbin | Chevrolet | MM ● 30 | Mount Marshall Road Board | 1926-27 |
| McKay | Mrs H. M. | Bencubbin | Chevrolet | MM ● 30 | Mount Marshall Road Board | 1927-28 |
| McKay | Mrs L. | 485 Hay Street, Perth | Humberette | 101 | Metro Private Car | 1922-23 |
| McKay | Mrs L. | Leake Street, Cottesloe | Overland | 1914 | Metro Private Car | 1922-23 |
| McKay | Mrs L. | Leake Street, Cottesloe | Overland | 1914 | Metro Private Car | 1923-24 |
| McKay | Mrs L. | Leake Street, Cottesloe | Overland | 1914 | Metro Private Car | 1924-25 |
| McKay | Mrs L. | 9 Leake Street, Cottesloe | Oldsmobile | 3813 | Metro Hire or Trade | 1926-27 |
| McKay | Mrs L. | 9 Leake Street, Cottesloe | Hudson | 10715 | Metro Hire or Trade | 1927-28 |
| McKay | N. | Goomalling | Ford | GO ● 76 | Goomalling Road Board | 1924-25 |
| McKay | N. | Goomalling | Ford | GO ● 76 | Goomalling Road Board | 1925-26 |
| McKay | N. | Benjaberring | Chevrolet Truck | WM ● 252 | Wyalkatchem Road Board | 1926-27 |
| McKay | N. | Goomalling | Ford | GO ● 76 | Goomalling Road Board | 1926-27 |
| McKay | N. | Goomalling | Ford | GO ● 76 | Goomalling Road Board | 1927-28 |
| McKay | N. | Benjaberring | Chevrolet Truck | WM ● 252 | Wyalkatchem Road Board | 1927-28 |
| McKay | N. B. | Benjaberring | Dodge | WM ● 6 | Wyalkatchem Road Board | 1922-23 |
| McKay | N. F. B. | - | Motorcycle | DN 1 | Dowerin Road Board | 1915 |
| McKay | N. F. B. | Benjaberring | Essex | WM ● 6 | Wyalkatchem Road Board | 1923-24 |
| McKay | N. F. B. | Benjaberring | Essex | WM ● 6 | Wyalkatchem Road Board | 1924-25 |
| McKay | Neil | Goomalling | Ford | GO ● 76 | Goomalling Road Board | 1923-24 |
| McKay | Neil | Benjaberring | Essex | WM ● 6 | Wyalkatchem Road Board | 1925-26 |
