| Thorley | Ivor E. | Greenbushes | Studebaker | GR ● 20 | Greenbushes Road Board | 1922-23 |
| Thorley | Ivor Edwin | Greenbushes | Studebaker | GR ● 20 | Greenbushes Road Board | 1923-24 |
| Thorley | R. H. | Pickering Brook | Ford Truck | DR ● 49 | Darling Range Road Board | 1927-28 |
| Thorne | H. J R. | Kellerberrin | Chevrolet | KE ● 30 | Kellerberrin Road Board | 1927-28 |
| Thorne | O. C. | Cunderdin | International Truck | ME ● 307 | Meckering Road Board | 1927-28 |
| Thornton | J. | Bullaring | Studebaker | CR ● 45 | Corrigin Road Board | 1925-26 |
| Thornton | J. | Bullaring | Studebaker | CR ● 45 | Corrigin Road Board | 1926-27 |
| Thornton | J. | Bullaring | Studebaker | CR ● 45 | Corrigin Road Board | 1927-28 |
| Thornton | R. W. | 42 Kingston Avenue, West Perth | Studebaker | 2482 | Metro Private Car | 1925-26 |
| Thornton | Smith W. | Cunderdin | Chevrolet Truck | ME ● 184 | Meckering Road Board | 1927-28 |
| Thorpe | Ellen | 123 Duke Street, East Fremantle | Chevrolet | 5339 | Metro Private Car | 1927-28 |
| Thorpe | J. | Jarrahdale | Studebaker | SJ ● 23 | Serpentine-Jarrahdale Road Board | 1926-27 |
| Thorpe | J. | Jarrahdale | Studebaker | SJ ● 23 | Serpentine-Jarrahdale Road Board | 1927-28 |
| Threlkeld | H. G. | 53 The Avenue, Nedlands | Buick | 4088 | Metro Private Car | 1924-25 |
| Threlkeld | H. G. | 31 The Avenue, Nedlands | Buick | 14954 | Metro Private Car | 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 | Cecil | Fitzgerald Street | Studebaker | N 106 | Northam Municipality | 1924-25 |
| 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 |
| Ticklie | James | Armadale | B.S.A. 4½ H.P. Motorcycle | A-K ● 5 | Armadale-Kelmscott Road Board | 1922-23 |
| Tierney | James | Westonia | Studebaker 20 H.P. | MRB 22 | Merredin Road Board | 1915 |
| Tierney | James | Westonia | Studebaker 20 H.P. | MD 22 | Merredin Road Board | 1916 |
| Tighe | J. | Kellerberrin | Hudson | KE ● 20 | Kellerberrin Road Board | 1924-25 |
| Tighe | J. | Kellerberrin | Hudson | KE ● 20 | Kellerberrin Road Board | 1925-26 |
| Tighe | J. | Kellerberrin | Hudson | KE ● 20 | Kellerberrin Road Board | 1926-27 |
| Tighe | J. | Kellerberrin | Hudson | KE ● 20 | Kellerberrin Road Board | 1927-28 |
| Tighe | Jas.. | Kellerberrin | Hudson | KE ● 20 | Kellerberring Road Board | 1923-24 |
| Tiller | A. | Doodlakine | Ford Truck | KE ● 175 | Kellerberrin Road Board | 1925-26 |
| Tiller | A. | Doodlakine | Ford Truck | KE ● 175 | Kellerberrin Road Board | 1926-27 |
| Tiller | A. | Doodlakine | Dodge | KE ● 287 | Kellerberrin Road Board | 1926-27 |
| Tiller | A. | Doodlakine | Dodge | KE ● 287 | Kellerberrin Road Board | 1927-28 |
| Timpe | L. | - | Cycle 3½ H.P. Motorcycle | ME 22 | Meckering Road Board | 1916 |
| Tindal | R. T. | Parkeston | Chevrolet | K ● 109 | Kalgoorlie Road Board | 1925-26 |
| Tindall | A. W. | 275 Rokeby Road, Subiaco | Ford | 5809 | Metro Private Car | 1926-27 |
| Tindall | A. W. | 275 Rokeby Road, Subiaco | Ford | 5809 | Metro Private Car | 1927-28 |
| Tippett | P. N. | Hannan Street | Studebaker | KMC ● 17 | Kalgoorlie Municipality | 1923-24 |
| Tippett | P. N. | Hannan Street | Studebaker | KMC 17 | Kalgoorlie Municipal Council | 1924-25 |
| Tippett | P. N. | Hannan Street | Studebaker | KMC 17 | Kalgoorlie Municipality | 1924-25 |
| Tithnell | Ellen S. | Parker Street, South Perth | Morris Cowley | 1201 | Metro Private Car | 1926-27 |
| Tobias | E. R. | Kellerberrin | Chevrolet | KE ● 47 | Kellerberrin Road Board | 1922-23 |
| Tobias | E. R. | Kellerberrin | Chevrolet | KE ● 47 | Kellerberring Road Board | 1923-24 |
| Tobias | E. R. | Kellerberrin | Overland | KE ● 106 | Kellerberrin Road Board | 1924-25 |
| Tobias | E. R. | Kellerberrin | Overland | KE ● 106 | Kellerberrin Road Board | 1925-26 |
| Tobias | E. R. | Kellerberrin | Dealer's License | KE ● 132 | Kellerberrin Road Board | 1925-26 |
| Tobias | E. R. | Kellerberrin | Overland | KE ● 202 | Kellerberrin Road Board | 1925-26 |
| Tobias | E. R. | Kellerberrin | Overland | KE ● 106 | Kellerberrin Road Board | 1926-27 |
