| Thring | J. E. | - | Ford | NR ● 28 | Northampton Road Board | 1926-27 |
| Thring | J. E. | Northampton | Chevrolet Truck | NR ● 28 | Northampton Road Board | 1927-28 |
| Thring | J. E. | - | Buick | NR ● 150 | Northampton Road Board | 1927-28 |
| Thring | W. F. | Kojonup | Ford | KO ● 36 | Kojonup Road Board | 1927-28 |
| Throssel | C. | Newcastle Street | Studebaker | N 106 | Northam Municipality | 1923-24 |
| Throssell | C. | Fitzgerald Street | Studebaker | N 106 | Northam Municipality | 1925-26 |
| Throssell | C. | Fitzgerald Street | Studebaker | N 106 | Northam Municipality | 1926-27 |
| Throssell | C. J. | Fitzgerald Street | Studebaker | N 106 | Northam Municipality | 1927-28 |
| Throssell | C. L. | Fitzgerald Street | Ford 20 H.P. | N 25 | Northam Municipality | 1916 |
| Throssell | Cecil | Fitzgerald Street | Studebaker | N 106 | Northam Municipality | 1924-25 |
| Throssell | G. L. | Gordon Street | Ford 20 H.P. | N 25 | Northam Municipality | 1915 |
| Throssell | G. L. | May Street | Buick | N 96 | Northam Municipality | 1923-24 |
| Throssell | G. L. | Fitzgerald Street | Studebaker | N 96 | Northam Municipality | 1924-25 |
| Throssell | G. L. | Fitzgerald Street | Studebaker | N 96 | Northam Municipality | 1925-26 |
| Throssell | G. L. | Fitzgerald Street | Studebaker | N 96 | Northam Municipality | 1926-27 |
| Thrum | J. R. | Victoria Road, East Fremantle | Triumph 3½ H.P. Motorcycle | EF 95 | Fremantle (East) Municipality | 1916 |
| Thrum | Rev J. | 25 Street, Leonard's Avenue, West Leederville | Alldays | 7276 | Metro Private Car | 1925-26 |
| Thrum | Rev J. R. | Katanning | Clyno | KA ● 315 | Katanning Road Board | 1927-28 |
| Thrum | Rev. J. | 25 St. Leonard's Avenue, W. Leederville | Alldays | 7276 | Metro Private Car | 1926-27 |
| Thrum & Cockle | - | Nungarin | Alldays | NA ● 151 | Nungarin Road Board | 1927-28 |
| Thrush | A. D. | 11 Allen Street, Subiaco | De Laga | 6693 | Metro Private Car | 1925-26 |
| Thrush | A. D. | 11 Allen Street, Subiaco | De Lage | 6693 | Metro Private Car | 1926-27 |
| Thurkle | A. | Dongara | Ford | IR ● 4 | Irwin Road Board | 1925-26 |
| Thurkle | A. | Dongara | Ford | IR ● 4 | Irwin Road Board | 1926-27 |
| Thurkle | A. T. | Dongara | Ford | IR ● 4 | Irwin Road Board | 1922-23 |
| Thurkle | A. T. | Dongara | Ford | IR ● 4 | Irwin Road Board | 1923-24 |
| Thurkle | A. T. | Dongara | Ford | IR ● 4 | Irwin Road Board | 1924-25 |
| Thurkle | A. T. | Dongara | Ford | IR ● 4 | Irwin Road Board | 1924-25 |
| Thurston | V. | Wyalkatchem | Chevrolet | WM ● 43 | Wyalkatchem Road Board | 1923-24 |
| Thurston | V. | Wyalkatchem | Chevrolet | WM ● 43 | Wyalkatchem Road Board | 1924-25 |
| Thurstun | V. | Wyalkatchem | Chevrolet | WM ● 5 | Wyalkatchem Road Board | 1922-23 |
| Thurstun | V. | Yyalkatchem | Overland | WM ● 43 | Wyalkatchem Road Board | 1925-26 |
| Thurstun | V. | Wyalkatchem | Chevrolet | WM ● 43 | Wyalkatchem Road Board | 1926-27 |
| Thurstun | V. | Wyalkatchem | Chevrolet | WM ● 43 | Wyalkatchem Road Board | 1927-28 |
| Thuseman | T. | Bunbury | Pope 8 H.P. | By 9 | Bunbury Municipality | 1916 |
| Thwaite | A. T. | RailwayTerrace Maylands | Hupmobile | 6478 | Metro Private Car | 1924-25 |
| Thyer | L | Station Street, East Cannington | Chevrolet | 1060 | Metro Private Car | 1927-28 |
| Thyer | L. | Station Street, Cannington | Chevrolet | 13296 | Metro Private Car | 1926-27 |
| Thyer | S. M. | 143 Joel Terrace, Mount Lawley | Dodge | 5287 | Metro Private Car | 1924-25 |
| Thyer | S. M. | 143 Joel Terrace, Mount Lawley | Dodge | 5287 | Metro Private Car | 1925-26 |
| Thyer | S. M. | 143 Joel Terrace, Mount Lawley | Citroen | 6791 | Metro Private Car | 1926-27 |
| Tibberton | E. R. | 63 Mandurah Road, Fremantle | Vulcan | 3821 | Metro Hire or Trade | 1926-27 |
| Tibbles | John H. | 6 Hopetoun Terrace | - | S 23 | Subiaco Municipality | 1919 |
| Tibbs | J. A. | Bruce Rock | Ford | BK ● 46 | Bruce Rock Road Board | 1925-26 |
| Tibbs | J. A. | Bruce Rock | Ford | BK ● 46 | Bruce Rock Road Board | 1926-27 |
| Tibbs | J. A. | Bruce Rock | Ford | BK ● 46 | Bruce Rock Road Board | 1927-28 |
| Tibbs | J. A. | Kumminin | Ford Truck | BK ● 318 | Bruce Rock Road Board | 1927-28 |
| Tibterton | E. R. | 63 Mandurah Road, Fremantle | Vulcan | 3821 | Metro Hire or Trade | 1925-26 |
| Tickle | F. R. | Beverley | Dodge | BE ● 121 | Beverley Road Board | 1927-28 |
| Tickle | Mrs D. J. | - | Dodge | NGN 124 | Narrogin Municipality | 1926-27 |
