| Hollis | Rachael | Osborne Road, Fremantle | Dodge | 7027 | Metro Private Car | 1927-28 |
| Hollis & Breakell | - | Bencubbin | Ford Truck | MM ● 56 | Mount Marshall Road Board | 1925-26 |
| Hollman | J. F. | 7 Thomas Street, Cottesloe Beach | Overland | 2429 | Metro Private Car | 1927-28 |
| Hollow | H. F. | - | Ford Truck | NM ● 26 | Norseman Road Board | 1926-27 |
| Hollow | H. F. | - | Ford Truck | NM ● 26 | Norseman Road Board | 1927-28 |
| Holloy | T. G. A. | Perth | Republic Bus | 10770 | Metro Hire or Trade | 1927-28 |
| Holly | E. L. | Katanning | Ford 20 H.P. | KA 60 | Katanning Road Board | 1916 |
| Holly | E. L. | Katanning | Triumph | KA 20 | Katanning Road Board | 1916 |
| Holly | E. L. | Katanning | Triumph Motorcycle | KA ● 20 | Katanning Road Board | 1917-18 |
| Holly | E. L. | Katanning | Triumph | KA 20 | Katanning Road Board | 1919 |
| Holly | E. L. | Katanning | Overland | KA ● 101 | Katanning Toad Board | 1922-23 |
| Holly | E. L. | Katanning | Ford | KA ● 133 | Katanning Road Board | 1923-24 |
| Holly | E. L. | Katanning | Ford | KA ● 133 | Katanning Road Board | 1924-25 |
| Holly | E. L. | Katanning | Ford | KA ● 133 | Katanning Road Board | 1925-26 |
| Holly | E. L. | Katanning | Ford | KA ● 133 | Katanning Road Board | 1926-27 |
| Holly | E. L. | Katanning | Rugby | KA ● 184 | Katanning Road Board | 1926-27 |
| Holly | F. L. | Katanning | Ford 20 H.P. | KA ● 60 | Katanning Road Board | 1917-18 |
| Holly | F. L. | Katanning | Ford 20 H.P. | KA 60 | Katanning Road Board | 1919 |
| Holly | W. L. | Broomehill | Ford 20 H.P. | BH ● 22 | Broomehill Road Board | 1917-18 |
| Holly | W. L. | Broomehill | Overland 18 H.P. | BH ● 22 | Broomehill Road Board | 1922-23 |
| Holly | W. L. | Broomehill | Overland | BH 22 | Broomhill Road Board | 1923 - 1924 |
| Holly | W. L. | Broomehill | Buick | BH ● 22 | Broomehill Road Board | 1924-25 |
| Holly | W. L. | Broomehill | Buick | BH ● 22 | Broomehill Road Board | 1925-26 |
| Holly | W. L. | Broomehill | Overland | BH ● 83 | Broomehill Road Board | 1925-26 |
| Holly | W. L. | Broomehill | Buick | BH ● 22 | Broomehill Road Board | 1926-27 |
| Holly | W. L. | Broomehill | Austin | BH ● 83 | Broomehill Road Board | 1926-27 |
| Holly | W. L. | Broomehill | Buick | BH ● 22 | Broomehill Road Board | 1927-28 |
| Holly | W. L. | Broomehill | Austin | BH ● 83 | Broomehill Road Board | 1927-28 |
| Holman | C. J. | Esperance | Chrysler | EO ● 23 | Esperance Road Board | 1927-28 |
| Holman | E. F. | Trayning | Studebaker | KTY ● 61 | Kununoppin-Trayning Road Board | 1927-28 |
| Holman | E. F. | Trayning | Chevrolet Truck | KTY ● 190 | Kununoppin-Trayning Road Board | 1927-28 |
| Holman | E. F. T. | Kellerberrin | Studebaker | KE ● 199 | Kellerberrin Road Board | 1926-27 |
| Holman | F. A. | 8 Hampton Road, Victoria Park | Ford | 11074 | Metro Private Car | 1926-27 |
| Holman | F. B. | Ida Street, Bassendean | Dodge | 324 | Metro Private Car | 1925-26 |
| Holman | F. B. | Ida Street, Bassendean | Dodge | 324 | Metro Private Car | 1926-27 |
| Holman | Fred | - | Dodge | BE ● 75 | Beverley Road Board | 1926-27 |
| Holman | Fred | - | Dodge | BE ● 75 | Beverley Road Board | 1927-28 |
| Holman | Fred A. | 8 Hampton Road, Victoria Park | Ford | 11074 | Metro Private Car | 1927-28 |
| Holman | G. | Grasspatch | Ford | EO ● 7 | Esperance Road Board | 1924-25 |
| Holman | George | Grasspatch | Ford | E ● 7 | Esperance Road Board | 1923-24 |
| Holman | J. | Corrigin | Dodge | CR ● 34 | Corrigin Road Board | 1924-25 |
| Holman | J. | Corrigin | Dodge | CR ● 34 | Corrigin Road Board | 1925-26 |
| Holman | J. B. | Ida Street, Guildford | Dodge | 324 | Metro Private Car | 1922-23 |
| Holman | J. B. | Ida Street, Bassendean | Dodge | 324 | Metro Private Car | 1923-24 |
| Holman | J. B. | Ida Street, Bassendean | Dodge | 324 | Metro Private Car | 1927-28 |
| Holman | Joseph | Corrigin | Dodge | CR ● 34 | Corrigin Road Board | 1923-24 |
| Holman | M. A. | Ida Street, Bassendean | Ford | 9071 | Metro Private Car | 1925-26 |
| Holman | M. A. | Ida Street, Bassendean | Ford | 9071 | Metro Private Car | 1926-27 |
| Holmberg | E. | Kulin | Ford Truck | KU ● 88 | Kulin Road Board | 1927-28 |
| Holmberg | H. | Thomas Street, Perth | Chevrolet Van | 5560 | Metro Private Car | 1927-28 |
