| Tregurtha | J. E. | 21 Chatsworth Road | Ford 20 H.P. | P 128 | Perth Municipality | 1916 |
| Tregurtha | J. E. | 21 Chatsworth Road, North Perth | Overland | 8797 | Metro Private Car | 1925-26 |
| Tregurtha | J. E. | 21 Chatsworth Road, North Perth | Overland | 8797 | Metro Private Car | 1926-27 |
| Tregurtha | J. E. | 21 Chatsworth Road, North Perth | Overland | 8797 | Metro Private Car | 1927-28 |
| Tregurthe | C. G. | Gnarming | Overland | RE ● 31 | Roe Road Board | 1925-26 |
| Treleavan | N. J. C | Katanning | Overland | KA ● 55 | Katanning Road Board | 1924-25 |
| Treleaven | N. C. | Katanning | Overland 30 H.P. | KA 55 | Katanning Road Board | 1916 |
| Treleaven | N. C. | Katanning | Overland 30 H.P. | KA ● 55 | Katanning Road Board | 1917-18 |
| Treleaven | N. C. | Katanning | Overland 30 H.P. | KA 55 | Katanning Road Board | 1919 |
| Treleaven | N. J. C. | Katanning | Overland | KA ● 55 | Katanning Road Board | 1925-26 |
| Treleaven | N. J. C. | Katanning | Overland | KA ● 55 | Katanning Road Board | 1926-27 |
| Treleaven | N. J. C. | Katanning | Overland | KA ● 55 | Katanning Road Board | 1927-28 |
| Treloar | C. E. | Lyall Street | Ford Truck | K ● 172 | Kalgoorlie Road Board | 1927-28 |
| Treloar | C. L. | 90 Vincent Street, Mount Lawley | Dort | 13450 | Metro Private Car | 1926-27 |
| Treloar | W. J. | 25 Irwin Street | Indian 5 H.P. | P 1011 | Perth Municipality | 1919 |
| Treloar | Wb. | Katanning | Overland | KA ● 101 | Katanning Road Board | 1927-28 |
| Trelvar | C. L. | 2 Chalmsford Road, Mount Lawley | Erskine | 4561 | Metro Private Car | 1927-28 |
| Tremain | A. | 7 North Beach Road, North Perth | Ford | 4337 | Metro Private Car | 1924-25 |
| Tremain | A. | Howlett Street, North Perth | Rugby Van | 9875 | Metro Private Car | 1927-28 |
| Tremain | A. W. | 7 North Beach Road, North Beach | Rugby | 8550 | Metro Private Car | 1926-27 |
| Tremain | A. W. | 7 North Beach Road, North Beach | Rugby | 8550 | Metro Private Car | 1927-28 |
| Tremain | Albert | 7 North Beach Road, North Perth | Ford | 4337 | Metro Private Car | 1923-24 |
| Trembath | W. N. | Kondinin | Overland | KN ● 17 | Kondinin Road Board | 1925-26 |
| Trembath | W. N. | Kondinin | Overland | KN ● 17 | Kondinin Road Board | 1926-27 |
| Trembath | W. N. | Kondinin | Rugby | KN ● 32 | Kondinin Road Board | 1927-28 |
| Tremberth | Gordon | 197 Park Street, Subiaco | Ford Wagon | 3317 | Metropolitan Hire and Trade Cars | 1923-24 |
| Tremlett | - | Tammin | Ford Truck | ME ● 118 | Meckering Road Board | 1924-25 |
| Tremlett | - | Tammin | Ford Truck | ME ● 118 | Meckering Road Board | 1925-26 |
| Tremlett | E. | Tammin | Chevrolet | ME ● 201 | Meckering Road Board | 1925-26 |
| Tremlett | W. E. | Tammin | Dodge | ME ● 42 | Meckering Road Board | 1922-23 |
| Tremlett | W. E. | Tammin | Dodge | ME ● 42 | Meckering Road Board | 1923-24 |
| Tremlett | W. E. | Tammin | Dodge | ME ● 42 | Meckering Road Board | 1924-25 |
| Tremlett | W. E. | Tammin | Dodge | ME ● 42 | Meckering Road Board | 1925-26 |
| Tremlett | W. E. | Tammin | Dodge | ME ● 42 | Meckering Road Board | 1926-27 |
| Tremlett | W. E. | Tammin | Ford Truck | ME ● 118 | Meckering Road Board | 1926-27 |
| Tremlett | W. E. | Tammin | Dodge | ME ● 42 | Meckering Road Board | 1927-28 |
| Tremlett | W. E. | Tammin | Ford Truck | ME ● 118 | Meckering Road Board | 1927-28 |
| Tremlett | W. H. | Tammin | Ford | ME ● 231 | Meckering Road Board | 1926-27 |
| Tremlett | W. H. | Tammin | Ford | ME ● 231 | Meckering Road Board | 1927-28 |
| Trenaman | Cuthbert | 23 Edward Street, Nedlands | Chevrolet | 14359 | Metro Private Car | 1927-28 |
| Trenaman | S. | Nannine | Ford Truck | NN ● 9 | Nannine Road Board | 1925-26 |
| Trenaman | S. | Nannine | Ford Wagon | NN ● 15 | Nannine Road Board | 1927-28 |
| Trenaman | V. R. | Thomas Street | - | S 76 | Subiaco Municipality | 1916 |
| Trenaman | V. R. | 183 Thomas Street | Motorcycle | S 76 | Subiaco Municipality | 1917-18 |
| Trenaman | V. R. | 183 Thomas Street | - | S 76 | Subiaco Municipality | 1919 |
| Trenaman | V. R. | 5 Nat. Mut. Buildings, Perth | Citroen | 2630 | Metro Private Car | 1923-24 |
| Trenaman | V. R. | 5 National Mutual Buildings, Perth | Citroen | 2630 | Metro Private Car | 1924-25 |
| Trenaman | V. R. | 107 Thomas Street, Subiaco | Morris-Cowley | 7624 | Metro Private Car | 1925-26 |
| Trenaman | V. R. | 107 Thomas Street, Subiaco | Morris-Cowley | 7624 | Metro Private Car | 1926-27 |
| Trenaman | V. R. | 107 Thomas Street, Subiaco | Morris-Cowley | 7624 | Metro Private Car | 1927-28 |
