| Thew | F. | 89 Salisbury Street, Subiaco | Ford | 12683 | Metro Private Car | 1927-28 |
| Thich Bros | - | Nungarin | Chevrolet Truck | NA ● 11 | Nungarin Road Board | 1925-26 |
| Thick | Bertha | Nungarin | Hupmobile | NA ● 24 | Nungarin Road Board | 1924-25 |
| Thick | T. | Norseman | Hupmobile | NM ● 11 | Norseman Road Board | 1925-26 |
| Thick | T. J. | Esperance | Republic Truck | EO ● 6 | Esperance Road Board | 1925-26 |
| Thick | T. J. | Esperance | Chevrolet Truck | EO ● 11 | Esperance Road Board | 1925-26 |
| Thick | T. J. | Esperance | Republic Truck | EO ● 6 | Esperance Road Board | 1926-27 |
| Thick | T. J. | Esperance | Studbaker | EO ● 11 | Esperance Road Board | 1926-27 |
| Thick | T. J. R. | Nungarin | Ford Lorry | NA ● 11 | Nungarin Road Board | 1924-25 |
| Thick | Thomas | P.O. Bellevue | Hupmobile 20 H.P. | SW ● 10 | Swan Road Board | 1919 |
| Thick | Thos. | Nungarin | Hupmobile | NA ● 20 | Nungarin Road Board | 1923-24 |
| Thiel | Grace | Victoria avenue, Claremont | Chrysler | 9683 | Metro Private Car | 1926-27 |
| Thiel | Grace | Victoria Avenue | Chrysler | 9683 | Metro Private Car | 1927-28 |
| Thiel | P. W. H. | Nembudding | Ford Truck | WM ● 214 | Wyalkatchem Road Board | 1926-27 |
| Thiel | P. W. H. | Nembudding | Buick | WM ● 214 | Wyalkatchem Road Board | 1927-28 |
| Thieleman | L. J. | York | Dodge | Y 105 | York Municipality | 1922-23 |
| Thieleman | L. J. | York | Dodge | Y 105 | York Municipality | 1923-24 |
| Thieleman | L. J. | York | Willys - Knight | Y 105 | York Municipality | 1924-25 |
| Thieleman | L. J. | York | Willy-Knight | Y 105 | York Municipality | 1925-26 |
| Thieleman | L. J. | York | Hudson | Y 106 | York Municipality | 1925-26 |
| Thieleman | L. J. | York | Willys-Knight | Y 105 | York Municipality | 1926-27 |
| Thieleman | L. J. | York | Hudson | Y 106 | York Municipality | 1926-27 |
| Thieleman | L. J. | York | Willys-Knight | Y 105 | York Municipality | 1927-28 |
| Thieleman | L. J. | York | Hudson | Y 106 | York Municipality | 1927-28 |
| Thielmann | L. | 25 Museum Street | Triumph 3½ H.P. Motorcycle | P 693 | Perth Municipality | 1916 |
| Thirwell | W. | 17 Norwood Street, Mount Lawley | Triumph | 45 | Metro Motorcycle | 1922-23 |
| Thistle Aer. Water Co | - | cr. Beaufort Street & 2nd Avenue, Midlands | Ford Wagon | 3400 | Metropolitan Hire and Trade Cars | 1923-24 |
| Thistle Aerated Water Co | - | Maylands | Ford Wagon | 1068 | Metro Private Car | 1923-24 |
| Thistle Aerated Water Co | - | Beaufort Street, Maylands | Ford Wagon | 3400 | Metro Private Car | 1924-25 |
| Thistle Aerated Water Co | - | Cnr. Beaufort St. & 8th Avenue, Maylands | Ford Wagon | 8847 | Metro Private Car | 1925-26 |
| Thistle Aerated Water Co | - | Cnr. Beaufort Street & Eighth Avenue, Midland | Ford Wagon | 8847 | Metro Private Car | 1926-27 |
| Thistle Aerated Water Co | - | c/oFord Rhodes & Davies | Ford Wagon | 8847 | Metro Private Car | 1927-28 |
| Thistlewaite | A. | Railway Terrace, Maylands | Hupmobile | 6478 | Metro Private Car | 1925-26 |
| Thistlewaite | A. | Railway Terrace, Maylands | Hupmobile | 6478 | Metro Private Car | 1926-27 |
| Thobaren | Hugh | Denmark | Dodge | DE ● 60 | Denmark Road Board | 1927-28 |
| Thobaven | H. | Albany | Ford Truck | A 47 | Albany Municipality | 1927-28 |
| Thoistrup | C. | Kulin | Graham Truck | KU ● 90 | Kulin Road Board | 1927-28 |
| Thoistrup | S. H. | Kulin | Dodge | KU ● 51 | Kulin Road Board | 1927-28 |
| Tholstrup | C. | Kulin | Dodge | RE ● 48 | Roe Road Board | 1925-26 |
| Tholstrup | S. H. | Kulin | Dodge | KU ● 51 | Kulin Road Board | 1926-27 |
| Thom | A. P. | Wydgee Station | (lorry) Ford 20 H.P. | YA ● 15 | Yalgoo Road Board | 1917-18 |
| Thom | A. P. | Wydgee Station | (lorry) Ford 20 H.P. | YA ● 15 | Yalgoo Road Board | 1919 |
| Thom | A. P. | Wydgee Station | Ford 20 H.P. | YA ● 15 | Yalgoo Road Board | 1922-23 |
| Thom | A. P. | Wydgee Station | Ford Lorry | YA ● 15 | Yalgoo Road Board | 1924-25 |
| Thom | A. T. | Wydgoo Station | Ford | YA ● 16 | Yalgoo Road Board | 1925-26 |
| Thom | A. T. | Wydges Station, Yalgoo | Dodge | YA ● 77 | Yalgoo Road Board | 1925-26 |
| Thom | Dr. A. T. | Wygee Station | Ford 15 horespower | EF 94 | Fremantle (East) Municipality | 1916 |
| Thomas | A. | Jarrahdale | Ford | SJ ● 83 | Serpentine-Jarrahdale Road Board | 1926-27 |
| Thomas | A. | Jarrahdale | Chevrolet | SJ ● 84 | Serpentine-Jarrahdale Road Board | 1926-27 |
| Thomas | A. | Jarrahdale | Ford | SJ ● 83 | Serpentine-Jarrahdale Road Board | 1927-28 |
