| Hymas | J. F. | Harvey | Chevrolet | H ● 150 | Harvey Road Board | 1926-27 |
| Hymas | J. F. | Harvey | Chevrolet | H ● 150 | Harvey Road Board | 1927-28 |
| Hymes | R. | Hope Street, Cottesloe Beach | International | 3214 | Metro Hire or Trade | 1926-27 |
| Hymus | F. | Hamersley, Tableland | Ford | TB ● 11 | Tableland Road Board | 1925-26 |
| Hymus | F. | Hamersley, Tableland | Ford Truck | TB ● 23 | Tableland Road Board | 1925-26 |
| Hymus | F. | Hamersley, Tableland | Ford | TB ● 11 | Tableland Road Board | 1926-27 |
| Hymus | F. | Hamersley Tableland | Ford Truck | TB ● 23 | Tableland Road Board | 1926-27 |
| Hymus | S. F. | Wydgee via Mount Magnet | B.S.A. 3½ H.P. Motorcycle | YA 6 | Yalgoo Road Board | 1916 |
| Hymus | S. F. | Mount Magnet | Ford | MA ● 13 | Mount Magnet Road Board | 1923-24 |
| Hymus | S. F. | Harvey | Ford | H ● 181 | Harvey Road Board | 1927-28 |
| Hymus | Sydney L. | Hotham | Dodge | MR ● 15 | Marradong Road Board | 1923-24 |
| Hyne | C. R. | Helena Street, Guildford | Essex | 1525 | Metro Private Car | 1923-24 |
| Hyne | C. R. | Helena Street, Guildford | Essex | 1525 | Metro Private Car | 1924-25 |
| Hyne | C. R. | Helena Street, Guildford | Austin | 8826 | Metro Private Car | 1925-26 |
| Hyne | C. R. | East Swan Post Office, Guildford | Brookway Truck | SW ● 38 | Swan Road Board | 1925-26 |
| Hyne | C. R. | Helena Street, Guildford | Essex | 1525 | Metro Private Car | 1925-26 |
| Hyne | C. R. | Helena Street, Guildford | Austin | 8826 | Metro Private Car | 1926-27 |
| Hyne | C. R. | East Swan Post Office, Bullsbrook | Brockway Truck | SW ● 38 | Swan Road Board | 1926-27 |
| Hyne | C. R. | East Swan Post Office, Guildford Road | Brockway Truck | SW ● 38 | Swan Road Board | 1927-28 |
| Hyne | C. R. | 64 Helena Street, Guildford | Hudson | 12035 | Metro Private Car | 1927-28 |
| Hyne | Ethel M | 65 Helen Street, Guildford | Austin | 8826 | Metro Private Car | 1927-28 |
| Hynes | C. E. | Bowman Street, South Perth | Clyno | 5014 | Metro Private Car | 1927-28 |
| Hynes | C. H. | Bowman Street, South Perth | Rugby | 11078 | Metro Private Car | 1926-27 |
| Hynes | C. J. | 54 Forrest Street, North Perth | Ford | 5590 | Metro Private Car | 1924-25 |
| Hynes | C. J. | 54 Forrest Street, North Perth | Ford | 5590 | Metro Private Car | 1925-26 |
| Hynes | P. J. | - | Buick | GO ● 11 | Goomalling Road Board | 1926-27 |
| Hynes | P. J. | Jurokine | Buick | GO ● 11 | Goomalling Road Board | 1927-28 |
| Hynes | T. | Waterloo | Ford | DA ● 11 | Dardanup Road Board | 1925-26 |
| Hynes | T. | Wellington Mills | Ford | DA ● 11 | Dardanup Road Board | 1926-27 |
| Hynes | T. | Waterloo | Ford | DA ● 11 | Dardanup Road Board | 1927-28 |
| Hynes | Terence | Waterloo | Ford 19 H.P. | DA ● 11 | Dardanup Road Board | 1922-23 |
| Hynes | Terence | Waterloo | Ford 19 H.P. | DA ● 11 | Dardanup Road Board | 1923-24 |
| Hynes | W. | Waterloo | Ford | DA ● 11 | Dardanup Road Board | 1924-25 |
| I.O.O. | - | Cnr. William & James Street, Perth | Dodge | 2745 | Metro Private Car | 1925-26 |
| I.O.O. | - | Cnr. William & James Street, Perth | Dodge | 2745 | Metro Private Car | 1926-27 |
| I.O.O. | - | Cnr. William & James Street, Perth | Dodge | 2745 | Metro Private Car | 1927-28 |
| Ibbotson | C. A. | 121 Hay Street, Subiaco | Dealers | 20043 | Metro Dealers Car | 1924-25 |
| Ibbotson | C. H. | 121 Hay Street, Subiaco | Studebaker | 2509 | Metro Private Car | 1922-23 |
| Ibbotson | C. H. | 121 Hay Street, Subiaco | Studebaker | 2509 | Metro Private Car | 1923-24 |
| Ibbotson | C. H. | 121 Hay Street, Subiaco | Maxwell | 2509 | Metro Private Car | 1924-25 |
| Ibbotson | C. H. | 121 Hay Street, Subiaco | Maxwell | 2509 | Metro Private Car | 1925-26 |
| Ibbotson | C. H. | North Perth | Maxwell | 2509 | Metro Private Car | 1926-27 |
| Ibbotson | C. H. | 485 Fitzgerald Street, North Perth | Maxwell | 2509 | Metro Private Car | 1927-28 |
| Ich | F. H. | Albany | Durant | A 7 | Municipality of Albany | 1926-27 |
| Ick | F. H. | - | Ford 20 H.P. | NRB | Nelson Road Board | 1915 |
| Ick | F. H. | - | Ford 20 H.P. | NE 9 | Nelson Road Board | 1916 |
| Ick | F. H. | Bridgetown | Ford 20 H.P. | B ● 9 | Bridgetown Road Board | 1917-18 |
| Ick | F. H. | Bridgetown | Ford 20 H.P. | B ● 9 | Bridgetown Road Board | 1919 |
| Ick | F. H. | Stirling Terrace | Durant | A 7 | Albany Municipality | 1922-23 |
| Ick | F. H. | Albany | Durant | A 7 | Albany Municipality | 1923-24 |
