| Twitchin | Hy. | Towera | Overland 20 H.P. | AS ● 17 | Ashburton Road Board | 1919 |
| Twitt | W. | Narrogin | Overland | NA ● 45 | Narrogin Road Board | 1924-25 |
| Twitt | W. | Narrogin | Overland | NO ● 45 | Narrogin Road Board | 1925-26 |
| Twitt | W. | Narrogin | Overland | NO ● 45 | Narrogin Road Board | 1926-27 |
| Twitt | W. | Narrogin | Overland | NO ● 45 | Narrogin Road Board | 1927-28 |
| Tybell | John | (Travelling Showman) | Ford Wagon | 5206 | Metro Private Car | 1927-28 |
| Tyer | F. W. | - | Cycle | P ● 110 | Perth Road Board | 1919 |
| Tyghe | Jas. | Kellerberrin | Hudson 31 H.P. | KE ● 20 | Kellerberrin Road Board | 1922-23 |
| Tyler | E. C. | 388 Fitzgerald Street | Rover 15 H.P. | P 479 | Perth Municipality | 1917-18 |
| Tyler | E. C. | 388 Fitzgerald Street | Rover 15 H.P. | P 479 | Perth Municipality | 1919 |
| Tyler | E. C. | 388 Fitzgerald Street, Perth | Overland | 9021 | Metro Private Car | 1925-26 |
| Tyler | E. P. | Mount Stirling | Chevrolet | Q ● 210 | Quairading Road Board | 1927-28 |
| Tyler | E. P. | Stirling | Chevrolet Truck | Q ● 258 | Quairading Road Board | 1927-28 |
| Tyler | Edward C. | 320 Fitzgerald Street | 2½ H.P. Motorcycle (built by E. C. Tyler) | P 300 | Perth Municipality | 1915 |
| Tyler | Edward C. | 382 Fitzgerald Street | Bradbury 4 H.P. | P 300 | Perth Municipality | 1916 |
| Tyler | F. F. | 50 Tuan Street, Victoria Park | Ford | 4372 | Metro Private Car | 1927-28 |
| Tyler | J. | Stirling Street, Markets Perth | Ford Wagon | 5222 | Metro Private Car | 1924-25 |
| Tyler | J. | Main Street Osborne Park | Republic Truck | P ● 63 | Perth Road Board | 1924-25 |
| Tyler | J. | Main Street, Osborne Park | Ford Truck | P ● 139 | Perth Road Board | 1924-25 |
| Tyler | J. | Stirling Street, Markets Perth | Ford Wagon | 5222 | Metro Private Car | 1925-26 |
| Tyler | J. | Main Street, Osborne Park | Republic Truck | P ● 63 | Perth Road Board | 1925-26 |
| Tyler | J. | Stirling Street, Markets Perth | Ford Wagon | 5222 | Metro Private Car | 1926-27 |
| Tyler | J. | Main Street, Osborne Park | Republic Truck | P ● 63 | Perth Road Board | 1927-28 |
| Tyler | J. | Main Street, Osborne Park | Ford Truck | P ● 139 | Perth Road Board | 1927-28 |
| Tyler | J. H. | Main Street, Osborne Park | Essex | P ● 132 | Perth Road Board | 1924-25 |
| Tyler | J. H. | Main Street, Osborne Park | Essex | P ● 132 | Perth Road Board | 1927-28 |
| Tyler | J. W. | Canning Road, East Fremantle | Ford 20 H.P. | EF 93 | Fremantle (East) Municipality | 1916 |
| Tyler | John | Main-Street Osborne Park | Republic Truck | P ● 63 | Perth Road Board | 1924-25 |
| Tyler Bros | - | Korrelocking | Overland | WM ● 44 | Wyalkatchem Road Board | 1924-25 |
| Tyler Bros | - | Korrelocking | Overland | WM ● 44 | Wyalkatchem Road Board | 1925-26 |
| Tyler Bros | - | Korrelocking | Overland | WM ● 44 | Wyalkatchem Road Board | 1926-27 |
| Tyler Bros | - | Kojonup | Ford Truck | KO ● 147 | Kojonup Road Board | 1927-28 |
| Tyler Bros | - | Korrelocking | Overland | WM ● 44 | Wyalkatchem Road Board | 1927-28 |
| Tyler Bros. | - | Korrelocking | Overland | WM ● 44 | Wyalkatchem Road Board | 1923-24 |
| Tylor | E. G. | Katanning | Ford | KA ● 122 | Katanning Road Board | 1924-25 |
| Tylor | E. G. | Katanning | Ford | KA ● 122 | Katanning Road Board | 1925-26 |
| Tylor | H. W. A. | Katanning | Chevrolet | KA ● 160 | Katanning Road Board | 1925-26 |
| Tylor | H. W. A. | Katanning | Chevrolet | KA ● 160 | Katanning Road Board | 1926-27 |
| Tylor | H. W. A. | Katanning | Chevrolet | KA ● 160 | Katanning Road Board | 1927-28 |
| Tymans | Mrs M. | Curtis Street, Osborne Park | Chevrolet | 6628 | Metro Private Car | 1924-25 |
| Tymans | Mrs M. | Curtis Street, Osborne Park | Chevrolet | 6628 | Metro Private Car | 1925-26 |
| Tymms | Dr H. G. | 1320 Hay Street, Perth | Dodge | 95 | Metro Private Car | 1922-23 |
| Tymms | Dr H. G. | 1320 Hay Street, West Perth | Dodge | 95 | Metro Private Car | 1925-26 |
| Tymms | Dr H. G. | 1320 Hay Street, West Perth | Dodge | 95 | Metro Private Car | 1926-27 |
| Tymms | Dr H. G. | 1320 Hay Street, West Perth | Dodge | 95 | Metro Private Car | 1927-28 |
| Tymms | Dr. | 1314 Hay Street | Ford 20 H.P. | P 95 | Perth Municipality | 1915 |
| Tymms | Dr. | 1314 Hay Street | Ford 20 H.P. | P 95 | Perth Municipality | 1916 |
| Tymms | Dr. H. G. | 1320 Hay Street, Perth | Dodge | 95 | Metro Private Car | 1923-24 |
| Tymms | H. G. | 1320 Hay Street | Ford 20 H.P. | P 95 | Perth Municipality | 1917-18 |
| Tymms | H. G. | 1320 Hay Street, West Perth | Dodge 15 H.P. | P 95 | Perth Municipality | 1919 |
