| Kinsella & Sons | - | Trayning | Chevrolet Truck | KTY ● 63 | Kununoppin-Trayning Road Board | 1927-28 |
| Kinsella. | F. M. | Harvey | Ford | H ● 95 | Harvey Road Board | 1927-28 |
| Kinshott | A. G. | 58 Angove Street, North Perth | Crysler | 11928 | Metro Private Car | 1927-28 |
| Kinsman | R. F. | Franklands Cran | Dodge | PL ● 127 | Plantagenet Road Board | 1925-26 |
| Kinsman | R. F. | Frankland Cran | Dodge | PL ● 127 | Plantagenet Road Board | 1926-27 |
| Kinsman | W. | 14 Southport Street, West Leederville | Rugby | 5102 | Metro Private Car | 1924-25 |
| Kinsman | W. | 14 Southport Street, West Leederville | Rugby | 5102 | Metro Private Car | 1925-26 |
| Kinsman | W. | 14 Southport Street, West Leederville | Rugby | 5102 | Metro Private Car | 1926-27 |
| Kinson | J. | Kulin | Ford Truck | KU ● 81 | Kulin Road Board | 1927-28 |
| Kinston | H. J. | Denmark | Sunbeam | DE ● 25 | Denmak Road Board | 1926-27 |
| Kipping | Arthur E. | 80 High Street | Studebaker 30 H.P. | F 49 | Fremantle Municipality | 1915 |
| Kipping | Arthur E. | 80 High Street | Studebaker 30 H.P. | F 49 | Fremantle Municipality | 1916 |
| Kipston | H. J. | Denmark | Reo Truck | DE ● 4 | Denmark Road Board | 1927-28 |
| Kirby | A. C. | Cooper Street, Nedlands | Fiat | 423 | Metro Private Car | 1927-28 |
| Kirby | A. D. | North Beach Road, North Beach | Rugby | 7617 | Metro Private Car | 1925-26 |
| Kirby | A. D. | North Beach Road, North Perth | Rugby | 7617 | Metro Private Car | 1926-27 |
| Kirby | A. D. | North Beach Road, North Perth | Rugby | 7617 | Metro Private Car | 1927-28 |
| Kirby | B. J. | 3 North Beach Road, Mount Hawthorn | Buick | 9828 | Metro Private Car | 1926-27 |
| Kirby | C. A. | 347 Charles Street, North Perth | Dodge | 5965 | Metro Private Car | 1924-25 |
| Kirby | C. H. | 41 Saint George's Terrace | Delauney 15 H.P. | P 141 | Perth Municipality | 1916 |
| Kirby | F. H. | 29 Wray Avenue, Fremantle | Ford | 5870 | Metro Private Car | 1924-25 |
| Kirby | G. H. | 41 Saint George's Terrace | 15 H.P. | P 141 | Perth Municipality | 1915 |
| Kirby | G. H. | Saint George's Terrace | Standard 15 H.P. | P 215 | Perth Municipality | 1915 |
| Kirby | G. H. | Saint George's Terrace | Humber 14 H.P. | P 321 | Perth Municipality | 1915 |
| Kirby | Geo. H. | 41 Saint George's Terrace | Humber 14-9 H.P. | P 321 | Perth Municipality | 1916 |
| Kirby | H. R. J. | Jitarning | Ford | RE ● 99 | Roe Road Board | 1925-26 |
| Kirby | H. R. J. | Jitarning | Ford | KU ● 70 | Kulin Road Board | 1927-28 |
| Kirby | H. R. J. | Jitarning | Ford Truck | KU ● 92 | Kulin Road Board | 1927-28 |
| Kirby | J. A. | Bridgetown | Rugby Car | B ● 226 | Bridgetown Road Board | 1927-28 |
| Kirby | Mrs E. B. | Bendering | Oldsmobile | CR ● 44 | Corrigin Road Board | 1927-28 |
| Kirby | R. J. | Jitarning | Dodge | RE ● 100 | Roe Road Board | 1925-26 |
| Kirby | R. J. | Jitarning | Dodge | KU ● 34 | Kulin Road Board | 1926-27 |
| Kirby | R. J. | Jitarning | Dodge | KU ● 34 | Kulin Road Board | 1927-28 |
| Kirby | R. S. | Broome | Ford Wagon | BM ● 10 | Broome Road Board | 1924-25 |
| Kirby | R. S. | Broome | Ford Wagon | BM ● 10 | Broome Road Board | 1925-26 |
| Kirby | R. S. | Broome | Ford Wagon | BM ● 21 | Broome Road Board | 1925-26 |
| Kirby | R. S. | Broome | Ford Wagon | BM ● 21 | Broome Road Board | 1926-27 |
| Kirby | R. S. | Broome | Ford Wagon | BM ● 21 | Broome Road Board | 1927-28 |
| Kirby | S. | 8 Brookman Street | Williamson 8 H.P. | P 657 | Perth Municipality | 1917-18 |
| Kirby | S. | Brockman Street, Perth | Gray | 6518 | Metro Private Car | 1924-25 |
| Kirby | S. | 1 Brookman Street, Perth | Gray | 6518 | Metro Private Car | 1925-26 |
| Kirby | Stanley | Brookman Street, Perth | Williamson 8 H.P. | P 657 | Perth Municipality | 1916 |
| Kirk | D. | C/o G.P.O. Customs Department Perth | Humber | 8489 | Metro Private Car | 1925-26 |
| Kirk | Harry | Wagin | - | EW 1 | Wagin Road Board | 1915 |
| Kirk | J. | 37 Rushton Street, Victoria Park | Rover | 1112 | Metro Private Car | 1922-23 |
| Kirk | J. | 37 Rushton Street, Victoria Park | Talbot Wagon | 4215 | Metro Private Car | 1924-25 |
| Kirk | J. | 37 Rushton Street, Victoria Park | Talbot Wagon | 4215 | Metro Private Car | 1925-26 |
| Kirk | J. | 37 Rushton Street, Victoria Park | Talbot | 8381 | Metro Private Car | 1925-26 |
| Kirk | J. | 37 Rushton Street, Victoria Park | Talbot Wagon | 4215 | Metro Private Car | 1926-27 |
| Kirk | J. | 37 Rushton Street, Victoria Park | Talbot | 11826 | Metro Private Car | 1926-27 |
