| 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 |
| Kirk | J. | 37 Rushton Street, Victoria Park | Talbot Wagon | 4215 | Metro Private Car | 1927-28 |
| Kirk | John | 37 Rushton Street, Victoria Park | Tolbot Wagon | 4215 | Metro Private Car | 1923-24 |
| Kirk | John W. | Armadale | Dodge | A-K ● 134 | Armadale-Kelmscott Road Board | 1926-27 |
| Kirk | P. | C/o Customs Office, G.P.O Perth | Humber | 8489 | Metro Private Car | 1926-27 |
| Kirk | T. | Coomberdale | Overland | M ● 162 | Moora Road Board | 1926-27 |
| Kirk | T. | Coomberdale | Overland | M ● 162 | Moora Road Board | 1927-28 |
| Kirk | W. A | East Wagin | Overland | W ● 111 | Wagin Road Board | 1926-27 |
| Kirk | W. A. | East Wagin | Overland | W ● 111 | Wagin Road Board | 1925-26 |
| Kirk | W. A. | East Wagin | Overland | W ● 111 | Wagin Road Board | 1927-28 |
| Kirk | W. M. | Melville Road, South Perth | Whippet | 14361 | Metro Private Car | 1927-28 |
| Kirk | Winifred G. | 37 Rushton Street, Victoria Park | Chevrolet | 11826 | Metro Private Car | 1927-28 |
| Kirk & Co | H. D. | 194 Railway Parade, Leederville | Chevrolet | 13823 | Metro Private Car | 1927-28 |
| Kirk & Co | H.D. | 194 Railway Parade, Leederville | Chevrolet | 13823 | Metro Private Car | 1926-27 |
| Kirk & Son | - | Mundaring | Ford | GE ● 44 | Greenmount Road Board | 1927-28 |
| Kirkby | B. J. | 316 Charles Street, Perth | Indian Scout Sidecar | 34 | Metro Motorcycle | 1922-23 |
| Kirkby | B. J. | 3 North Beach Road, Mount Hawthorn | Buick | 9828 | Metro Private Car | 1927-28 |
| Kirkby | C. A. | 347 Charles Street, North Perth | AEC Wagon | 5965 | Metro Private Car | 1925-26 |
| Kirkby | C. A. | 347 Charles Street, North Perth | A.E.C Wagon | 5965 | Metro Private Car | 1926-27 |
| Kirkby | C. A. | 347 Charles Street, North Perth | A.E.C. Wagon | 5965 | Metro Private Car | 1927-28 |
| Kirkby | Chas. A. | 316 Charles Street, North Perth | Dodge | 70 | Metro Private Car | 1922-23 |
| Kirkby | F. V. | Carnarvon | Ford 19 H.P. | CN 29 | Carnarvon Municipal Council | 1922-23 |
| Kirkby | F. W. | C/o Lockard's | Henderson 10 H.P. Motorcycle | KMC 112 | Kalgoorlie Municipal Council | 1922-23 |
| Kirkby | N. B. | Carnarvon | Dodge | CN 2 | Carnarvon Municipal Council | 1924-25 |
| Kirke | H. D. | 194 Railway Parade, West Leederville | Gray | 8499 | Metro Private Car | 1925-26 |
| Kirke | H. D. | 194 Railway Parade, West Leederville | Pontiac | 1610 | Metro Private Car | 1927-28 |
| Kirkham | F. R. | Moora | Ford | M ● 123 | Moora Road Board | 1927-28 |
| Kirkham | R. | Wagerup | Ford | H ● 14 | Harvey Road Board | 1925-26 |
| Kirkham | R. | Wagerup | Ford | H ● 14 | Harvey Road Board | 1926-27 |
| Kirkham | R. | Wagerup | Ford | H ● 14 | Harvey Road Board | 1927-28 |
| Kirkham | W. | Serpentine | Reo Truck | SJ ● 131 | Serpentine-Jarrahdale Road Board | 1927-28 |
| Kirkham | W. J. | 124 Townshend Road | Car | S 75 | Subiaco Municipality | 1916 |
| Kirkham | W. J. | 124 Townshend Road | Car | S 16 | Subiaco Municipality | 1917-18 |
| Kirkham | W. J. | 124 Townshend Road | - | S 16 | Subiaco Municipality | 1919 |
| Kirkham Bros | - | Coolup | - | MY ● 89 | Murray Road Board | 1924-25 |
| Kirkham Bros | - | Coolup | Ford | MY ● 89 | Murray Road Board | 1925-26 |
| Kirkham Bros | - | Coolup | Ford | MY ● 89 | Murray Road Board | 1926-27 |
