| Kerr | John C. | Greenbushes | Dodge | GR ● 21 | Greenbushes Road Board | 1923-24 |
| Kerr | John S. | Wellington Mills | Excelsior Motorcycle | DA ● 7 | Dardanup Road Board | 1922-23 |
| Kerr | Mrs L. | 161 South Terrace, Fremantle | Citroen | 7604 | Metro Private Car | 1926-27 |
| Kerr | Mrs L. M. | 161 South Terrace, Fremantle | Citroen | 15907 | Metro Private Car | 1927-28 |
| Kerr | Mrs M | 25 View Street, North Perth | Chrysler | 14230 | Metro Private Car | 1927-28 |
| Kerr | P. | Mingenew | Hupmobile | MI ● 21 | Mingenew Road Board | 1924-25 |
| Kerr | P. | Mingenew | Ford | MI ● 78 | Mingenew Road Board | 1926-27 |
| Kerr | P. | Yandanooka | Hupmobile | MI ● 79 | Mingenew Road Board | 1927-28 |
| Kerr | P. J. | Mingenew | Hupmobile | MI ● 7 | Mingenew Road Board | 1922-23 |
| Kerr | P. J. | Mingenew | Hupmobile | MI ● 7 | Mingenew Road Board | 1923-24 |
| Kerr | Percy C | 96 Chelmsford Road, Mount Lawley | Chevrolet | 13858 | Metro Private Car | 1927-28 |
| Kerr | R. A. | Ferguson | Ford | DA ● 43 | Dardanup Road Board | 1925-26 |
| Kerr | R. A. | Ferguson | Ford | DA ● 43 | Dardanup Road Board | 1926-27 |
| Kerr | R. A. | Ferguson | Ford | DA ● 43 | Dardanup Road Board | 1927-28 |
| Kerr | Roy | Yealering | Chevrolet | WK ● 156 | Wickepin Road Board | 1926-27 |
| Kerr | Roy | Yealering | Chevrolet | WK ● 156 | Wickepin Road Board | 1927-28 |
| Kerr | W. | Giralya Station | New Hudson 2¾ H.P. Motorcycle | GM 16 | Gascoyne-Minilya Road Board | 1915 |
| Kerr | W. | Moorarie | Ford 20 H.P. | MU 8 | Murchison Road Board | 1919 |
| Kerr | W. | Moorarie Station | Ford | MK ● 19 | Meekatharra Road Board | 1924-25 |
| Kerr | W. | Moorarie Station | Ford Truck | MK ● 45 | Meekatharra Road Board | 1924-25 |
| Kerr | W. | Mccrarie | Ford | MK ● 19 | Meekatharra Road Board | 1925-26 |
| Kerr | W. | Moorarie Station | Ford Truck | MK ● 62 | Meekatharra Road Board | 1925-26 |
| Kerr | W. | Mingenew | Ford | MI ● 18 | Mingenew Road Board | 1925-26 |
| Kerr | W. | Moorarie | Ford | MK ● 19 | Meekatharra Road Board | 1926-27 |
| Kerr | W. | Moorarie | Ford | MK ● 20 | Meekatharra Road Board | 1926-27 |
| Kerr | W. | Mingenew | Ford | MI ● 18 | Mingenew Road Board | 1926-27 |
| Kerr | W. | Quairading | Dodge | Q ● 60 | Quairading Road Board | 1926-27 |
| Kerr | W. | Mingenew | Ford | MI ● 18 | Mingenew Road Board | 1927-28 |
| Kerr | W. | Lake Austin via Cue | Dodge | CD ● 67 | Cue-Day Dawn Road Board | 1927-28 |
| Kerr | W. J. | 109 Northwood Street, Leederville | Chevrolet | 4214 | Metro Private Car | 1923-24 |
| Kerr | W. J. | 109 Northwood Street, West Leederville | Rover | 5656 | Metro Private Car | 1924-25 |
| Kerr | W. J. | 109 Northwood Street, West Leederville | Rover | 5656 | Metro Private Car | 1925-26 |
| Kerr | W. J. | 109 Northwood Street, Leederville | Essex | 5656 | Metro Private Car | 1926-27 |
| Kerr | W. J. | 109 Northwood Street, Leederville | Essex | 5656 | Metro Private Car | 1927-28 |
| Kerr | W. James | Saint George's Terrace | Rex 4 H.P. Motorcycle | P 6 | Perth Municipality | 1915 |
| Kerr | W. P. | Woodanilling | Chevrolet | WO ● 62 | Woodanilling Road Board | 1926-27 |
| Kerr | W. P. | Woodanilling | Chevrolet | WO ● 62 | Woodanilling Road Board | 1927-28 |
| Kerr | Walter | Bannister Street, Fremantle | Citroen | 15835 | Metro Private Car | 1927-28 |
| Kerr | William | "Opowa" Mingenew | Ford | MI ● 5 | Mingenew Road Board | 1922-23 |
| Kerr | William | "Opowa", Mingenew | Ford | MI ● 5 | Mingenew Road Board | 1923-24 |
| Kerr | William (Opowa) | Mingenew | Ford 20 H.P. | IU ● 5 | Upper Irwin Road Board | 1919 |
| Kerr | Win | 11 Argyle Street, West Leederville | Morton 3 H.P. Motorcycle | P 977 | Perth Municipality | 1917-18 |
| Kerr | Win. | Moorarie | Ford | MK ● 21 | Meekatharra Road Board | 1922-23 |
| Kerr | Wm "Opawa" | Mingenew | Ford | MI ● 18 | Mingenew Road Board | 1924-25 |
| Kerr | Wm. | Moorarie | Ford 30 H.P. | MU 8 | Murchison Road Board | 1916 |
| Kerr | Wm. | Moorarie | Ford | MK ● 21 | Meekatharra Road Board | 1923-24 |
| Kerr | Wm. J. | 109 Northwood Street, Leederville | Worsley | 894 | Metro Private Car | 1922-23 |
| Kerrigan | M. | Williams | Ford 15 H.P. | WL 13 | Williams Road Board | 1916 |
| Kerrigan | M. | Williams | Ford 15 H.P. | WL ● 6 | Williams Road Board | 1917-18 |
| Kerrigan | M. | Williams | Chevrolet | WL ● 117 | Williams Road Board | 1927-28 |
