| Harries | T. G. | Geraldton | Essex | GN 111 | Geraldton Municipality | 1926-27 |
| Harring | G. H. | 54 Norfolk Street, North Perth | Overland | 4839 | Metro Private Car | 1925-26 |
| Harring | G. H. | 54 Norfolk Street, North Perth | Overland | 4839 | Metro Private Car | 1926-27 |
| Harring | G. H. | 54 Norfolk Street, North Perth | Overland | 4839 | Metro Private Car | 1927-28 |
| Harring | Geo H. | 54 Norfolk Street, North Perth | Essex | 144 | Metro Private Car | 1927-28 |
| Harring | Geo. | 54 Norfolk Street, North Perth | Chevrolet | 8704 | Metro Private Car | 1927-28 |
| Harring | Geo. H. | Saint George's Terrace, Perth | Essex | 144 | Metro Private Car | 1925-26 |
| Harring | Geo. H. | 54 Norfolk Street, North Perth | Essex | 144 | Metro Private Car | 1926-27 |
| Harring | Geo. H. | 54 Norfolk Street, North Perth | Essex | 144 | Metro Private Car | 1926-27 |
| Harring | Wm. Ed. | 54 Norfolk Street, North Perth | Indian | 930 | Metro Motorcycle | 1922-23 |
| Harrington | E. J. | Moora | Ford Truck | M ● 230 | Moora Road Board | 1927-28 |
| Harrington | E. J. | Moora | Chevrolet | M ● 239 | Moora Road Board | 1927-28 |
| Harrington | F. | 34 Rose Street, Fremantle | Ford | 15909 | Metro Private Car | 1927-28 |
| Harrington | H. | Wittenoom Street, Collie | Hupmobile Truck | CM 181 | Collie Municipality | 1926-27 |
| Harrington | H. | 29 Carnac Street, Fremantle | Studebaker | 15814 | Metro Private Car | 1927-28 |
| Harrington | J. W. | Nyabing | Overland | KA ● 128 | Katanning Road Board | 1924-25 |
| Harrington | John W. | Nyabing | Overland | KA ● 128 | Katanning Road Board | 1923-24 |
| Harrington | W. | Wyening | Nash | VP ● 25 | Victoria Plains Road Board | 1925-26 |
| Harrington | W. | Wyening | Fiat | VP ● 44 | Victoria Plains Road Board | 1925-26 |
| Harrington | W. | Wyening | Fiat | VP ● 44 | Victoria Plains Road Board | 1926-27 |
| Harrington | W. | Wyening | Fiat | VP ● 44 | Victoria Plains Road Board | 1927-28 |
| Harrington | Wm. | Ardach, Bolgart | Triumph 3½ H.P. Motorcycle | VP ● 4 | Victoria Plains Road Board | 1917-18 |
| Harris | - | Scarfe & Sandover Perth | Renault | 7145 | Metro Private Car | 1927-28 |
| Harris | - | Scarfe & Sandover Perth | Renault | 7206 | Metro Private Car | 1927-28 |
| Harris | A J., Senr | Dalwallinu | Chevrolet | DL ● 68 | Dalwallinu Road Board | 1927-28 |
| Harris | A. | Boulder | 4 H.P. Motorcycle | BMC 22 | Boulder Municipality | 1915 |
| Harris | A. | Subiaco | Dort | 2558 | Metro Private Car | 1926-27 |
| Harris | A. A | Wedgecarrup | Chevrolet | W ● 130 | Wagin Road Board | 1926-27 |
| Harris | A. A. | Wedgecarrup | Chevrolet | W ● 130 | Wagin Road Board | 1927-28 |
| Harris | A. E. | Dudinin | Ford Truck | KU ● 142 | Kulin Road Board | 1927-28 |
| Harris | A. J. | Mingenew | Buick | MI ● 6 | Mingenew Road Board | 1924-25 |
| Harris | A. J. | Bunbury | Buick | BY 11 | Bunbury Municipality | 1927-28 |
| Harris | A. J. & Sons | Dalwallinu | Ford | DL ● 80 | Dalwallinu Road Board | 1927-28 |
| Harris | A. J. Jnr. | Dalwallinu | Dodge | DL ● 93 | Dalwallinu Road Board | 1927-28 |
| Harris | A. J., Senr | Dalwallinu | Chevrolet | DL ● 65 | Dalwallinu Road Board | 1927-28 |
| Harris | A. R. | Minnivale | Ford | D ● 75 | Dowerin Road Board | 1924-25 |
| Harris | A. R. | Minnivale | Ford | D ● 75 | Dowerin Road Board | 1925-26 |
| Harris | A. R. | Minnivale | Ford | D ● 75 | Dowerin Road Board | 1926-27 |
| Harris | A. R. | Minnivale | Chrysler | D ● 75 | Dowerin Road Board | 1927-28 |
| Harris | Albert John | Wagin | B.S.A. Motorcycle | W ● 4 | Wagin Road Board | 1922-23 |
| Harris | Alf | Mingenew | Dodge 20 H.P. | IU ● 6 | Upper Irwin Road Board | 1917-18 |
| Harris | Alf | MIngenew | Dodge 23 | MI ● 6 | Mingenew Road Board | 1922-23 |
| Harris | Alf. | Mingenew | Dodge 20 H.P. | IU ● 6 | Upper Irwin Road Board | 1919 |
| Harris | Alf. | Mingenew | Dodge | MI ● 6 | Mingenew Road Board | 1923-24 |
| Harris | C. | Onslow | Reo Truck | AS ● 61 | Ashburton Road Board | 1924-25 |
| Harris | C. | Onslow | Reo Truck | AS ● 64 | Ashburton Road Board | 1924-25 |
| Harris | C. | 14 Calton Street, West Leederville | Ford | 5761 | Metro Private Car | 1924-25 |
| Harris | C. | Onslow | Reo Wagon | AS ● 61 | Ashburton Road Board | 1925-26 |
| Harris | C. | Onslow | Reo Wagon | AS ● 64 | Ashburton Road Board | 1925-26 |
| Harris | C. | Onslow | Reo Wagon | AS ● 61 | Ashburton Road Board | 1926-27 |
