| Howie | L. | Kondinin | Ford Truck | KN ● 133 | Kondinin Road Board | 1927-28 |
| Howie | L. G. | Kumminin | Excelsior | BK ● 11 | Bruce Rock Road Board | 1922-23 |
| Howie | Lionel | - | B.S.A. 3½ H.P. Motorcycle | BO 5 | Brookton Road Board | 1916 |
| Howie | R. | Collie | Essex | CO ● 65 | Collie Road Board | 1925-26 |
| Howie | R. | Collie | Essex | CO ● 65 | Collie Road Board | 1926-27 |
| Howie | R. | Collie | Essex | CO ● 65 | Collie Road Board | 1927-28 |
| Howie | R. | Cardiff | Essex | CO ● 175 | Collie Road Board | 1927-28 |
| Howie | W. | Moira Road, Collie | Dodge | CM 50 | Collie Municipality | 1924-25 |
| Howie | W. | Moira Road, Collie | Dodge | CM 50 | Collie Municipality | 1925-26 |
| Howie | W. | Gladstone Crescent, Collie | Dodge | CM 50 | Collie Municipality | 1926-27 |
| Howie | W. | Gladstone Crescent, Collie | Dodge | CM 50 | Collie Municipality | 1927-28 |
| Howitt | J. B. | Quairading | Dodge | Q ● 83 | Quairading Road Board | 1924-25 |
| Howitt | J. B. | Quairading | Austin | Q ● 83 | Quairading Road Board | 1925-26 |
| Howles | W. | Holyoake | Chevrolet | MY ● 143 | Murray Road Board | 1926-27 |
| Howlett | G. | Marvel Loch | Ford | YL ● 1 | Yilgarn Road Board | 1925-26 |
| Howlett | G. A. | Kondinin | Chevrolet Truck | KN ● 83 | Kondinin Road Board | 1927-28 |
| Howlett | G. H. | Marvel Loch | Ford 20 H.P. | YL ● 1 | Yilgarn Road Board | 1919 |
| Howlett | G. H. | Marvel Loch | Ford | YL ● 1 | Yilgarn Road Board | 1922-23 |
| Howlett | G. H. | Marvel Loch | Ford | YL ● 1 | Yilgarn Road Board | 1923-24 |
| Howlett | G. H. | Marvel Loch | Ford | YL ● 1 | Yilgarn Road Board | 1924-25 |
| Howlett | Geo. | Marvel Loch | Ford Truck | YL ● 1 | Yilgarn Road Board | 1926-27 |
| Howlett | S. P. | Kellerberrin | Chrysler | KE ● 347 | Kellerberrin Road Board | 1927-28 |
| Howley | A. | Collie | Graham Truck | CM 142 | Collie Municipality | 1926-27 |
| Howley | A. | Collie | Graham Truck | CM 142 | Collie Municipality | 1927-28 |
| Howley | T. L. | 32 Grosvenor Road, Mount Lawley | Dodge | 14392 | Metro Private Car | 1927-28 |
| Howley | W. T. | 116 Grosvenor Road, North Perth | Dodge | 8565 | Metro Private Car | 1925-26 |
| Howling | H. | Cnr. Hay & Milligan Sts. | Maxwell | 357 | Metro Private Car | 1922-23 |
| Howling | H. | 941 Hay Street, Perth | Chevrolet | 1404 | Metro Private Car | 1922-23 |
| Howling | H. O. | Hay Street, Perth | Willy-Knight | 9195 | Metro Private Car | 1925-26 |
| Howling | H. O. | Hay Street, Perth | Willys-Knight | 9195 | Metro Private Car | 1926-27 |
| Howling | H. O. | Hay Street, Perth | Willys-Knight | 9195 | Metro Private Car | 1927-28 |
| Howling | Hugh | 941 Hay Street, Perth | Chevrolet | 1404 | Metro Private Car | 1923-24 |
| Howling | Hugh | 941 Hay Street, Perth | Chevrolet | 1401 | Metro Private Car | 1924-25 |
| Howling | Hugh | 941 Hay Street, Perth | Chevrolet | 1404 | Metro Private Car | 1925-26 |
| Hownsend | W. | Narrogin | Hupmobile | NGN 72 | Narrogin Municipality | 1925-26 |
| Howse | E. | Dardanup | Ford | DA ● 80 | Dardanup Road Board | 1927-28 |
| Howsen | A. | 162 Adelaide Terrace, Perth | Chevrolet | 11667 | Metro Private Car | 1927-28 |
| Howson | A. | 162 Adelaide Terrace, Perth | Chevrolet | 11667 | Metro Private Car | 1926-27 |
| Howson | E. W. | Shackleton | Ford | BK ● 196 | Bruce Rock Road Board | 1927-28 |
| Howson | F. R. | Palmerston Street, Cottesloe Beach | Citroen | 9175 | Metro Private Car | 1925-26 |
| Howson | F. R. | Palmerston Street, Cottesloe Perth | Citroen | 9175 | Metro Private Car | 1926-27 |
| Howson | F. R. | Palmerston Street, Cottesloe Beach | Citroen | 9175 | Metro Private Car | 1927-28 |
| Howson | J. | 10 Seaview Terrace, Swanbourne | Essex | 13592 | Metro Private Car | 1926-27 |
| Howson | J. | 10 Seaview Terrace, Swanbourne | Essex | 13592 | Metro Private Car | 1927-28 |
| Howson | L. M. | 21 Goldsworthy Road, Claremont | Morris-Cowley | 13267 | Metro Private Car | 1926-27 |
| Howson | L. M. | 21 Goldsworthy Road, Claremont | Morris Cowley | 13267 | Metro Private Car | 1927-28 |
| Howson | Mrs F. R. | Palmerston Street, Cott. Beach | Chevrolet | 6708 | Metro Private Car | 1924-25 |
| Howson | P. | Pemberton | Overland | WA ● 84 | Manjimup Road Board | 1925-26 |
| Hoy Poy | - | The Avenue, Nedlands | - | CL ● 40 | Claremont Road Board | 1919 |
| Hoy Poy | Y. | 297 James Street, Perth | Buick | 6535 | Metro Private Car | 1924-25 |
