| Hospital | - | Merredin | Indian Comb. | MD ● 10 | Merredin Road Board | 1923-24 |
| Hospital for Insane | - | Claremont | Dodge | 2101 | Metro Private Car | 1923-24 |
| Hospital for Insane | - | Claremont | Ford Van | 2102 | Metro Private Car | 1923-24 |
| Hospital for Insane | - | Claremont | Ford Van | 2103 | Metro Private Car | 1923-24 |
| Hospital for Insane | - | Claremont | Ford Van | 4105 | Metro Private Car | 1924-25 |
| Hospital for Insane | - | Claremont | Ford Van | 4108 | Metro Private Car | 1924-25 |
| Hospital for Insane | - | Claremont | Rugby Van | 6246 | Metro Private Car | 1925-26 |
| Hospital for Insane | - | Claremont | Ford Van | 4105 | Metro Private Car | 1925-26 |
| Hospital for Insane | - | Claremont | Ford | 13571 | Metro Private Car | 1926-27 |
| Hospital for Insane | - | Claremont | Ford | 13571 | Metro Private Car | 1927-28 |
| Hospital for Insane Claremont | - | - | Rugby Van | 6246 | Metro Private Car | 1926-27 |
| Hossack | A. G. | Riled Road, Queens Park | Dodge | 7734 | Metro Private Car | 1925-26 |
| Hossack | A. G. | Riley Street, Riverton | Dodge | 9884 | Metro Private Car | 1926-27 |
| Hossack | A. G. | Riley Street, Riverton | Dodge | 9884 | Metro Private Car | 1927-28 |
| Host | J. | Seabrook | Ford | N ● 240 | Northam Road Board | 1926-27 |
| Host | J. | Seabrook | Ford | N ● 240 | Northam Road Board | 1927-28 |
| Hotchkin | John W. | 29 Peninsula Road, Maylands | Ford | 1198 | Metro Private Car | 1924-25 |
| Hotchkin | John W. | 29 Peninsula Road, Maylands | Ford | 1198 | Metro Private Car | 1925-26 |
| Hotchkin | John W. | 29 Peninsula Road, Maylands | Ford | 1198 | Metro Private Car | 1926-27 |
| Hotchkin | John W. | 29 Peninsula Road, Maylands | Ford | 1198 | Metro Private Car | 1927-28 |
| Hotham | H. | Yealering | Ford Truck | WK ● 173 | Wickepin Road Board | 1926-27 |
| Hotham | H. | Yealering | Ford Truck | WK ● 173 | Wickepin Road Board | 1927-28 |
| Hotston | S. J. | 847 Hay Street | Scat 12 H.P. | P 192 | Perth Municipality | 1915 |
| Hott | H. | Yarloop | Overland | H ● 45 | Harvey Road Board | 1926-27 |
| Hough | C. | Australind | Ford Truck | H ● 138 | Harvey Road Board | 1926-27 |
| Hough | C. F. | Narrogin | Hupmobile 15 H.P. | NGN 26 | Narrogin Municipality | 1916 |
| Hough | D. E. | Mount Magnet | Ford | MA ● 15 | Mount Magnet Road Board | 1927-28 |
| Hough | J. G. | Bunbury | Ford | BY 38 | Bunbury Municipality | 1923 - 1924 |
| Hough | J. G. | Bunbury | Ford | By 38 | Bunbury Municipality | 1924-25 |
| Hough | J. G. | Bunbury | Ford | BY 38 | Bunbury Municipality | 1925-26 |
| Hough | J. G. | Bunbury | Ford | BY 38 | Bunbury Municipality | 1926-27 |
| Hough | J. G. | Bunbury | Chevrolet | BY 103 | Bunbury Municipality | 1926-27 |
| Hough | J. G. | Bunbury | Chevrolet Truck | BY 103 | Bunbury Municipality | 1927-28 |
| Hough | John J. | Morowa | Chrysler | PM ● 191 | Perenjori-Morawa Road Board | 1927-28 |
| Hough | L. I. | Westonia | Rugby | WT ● 15 | Westonia Road Board | 1927-28 |
| Hough | L. J | Westonia | Ford | WT ● 15 | Westonia Road Board | 1926-27 |
| Hough | L. J. | Westonia | Ford | WT ● 15 | Westonia Road Board | 1925-26 |
| Hough | L. T. | 29 Napoleon Street, Cottesloe. | B.S.A. & Sidecar | 850 | Metro Motorcycle | 1922-23 |
| Hough | O. W | 116 Mary Street, Fremantle | Chevrolet | 8983 | Metro Private Car | 1927-28 |
| Hough | O. W. | 116 Mary Street, Fremantle | Chevrolet | 8983 | Metro Private Car | 1925-26 |
| Hough | O. W. | 116 Wray Avenue, fremantle | Chevrolet | 8983 | Metro Private Car | 1926-27 |
| Hough | R. A. | Bunbury | Buick | BY 173 | Bunbury Municipality | 1927-28 |
| Hough | R. C. | Preston Point Road, Bicton | Essex | 12442 | Metro Private Car | 1927-28 |
| Hough | R. O. | Busselton | Dodge | BN 32 | Municipality of Busselton | 1926-27 |
| Hough | R. O. | Busselton | Dodge | BN 32 | Municipality of Busselton | 1927-28 |
| Hough | R. O. L. | West Busselton | Chevrolet | SU ● 40 | Sussex Road Board | 1925-26 |
| Hough | R. O. Y. | 123 Lincoln Street, Highgate Hill | Dodge | 1601 | Metro Private Car | 1927-28 |
| Houghton | - | Saint George's Terrace, Perth | Fiat | 283 | Metro Private Car | 1925-26 |
| Houghton | C. J. | Nedlands Park | Motorcycle | CL ● 51 | Claremont Road Board | 1917-18 |
| Houghton | C. J. | Nedlands Park | - | CL ● 51 | Claremont Road Board | 1919 |
