| Thorley | H. J. | Bridgetown | Dodge | B ● 13 | Bridgetown Road Board | 1926-27 |
| Thorley | H. J. | Bridgetown | Hudson | B ● 37 | Bridgetown Road Board | 1926-27 |
| Thorley | H. J. | Bridgetown | Hudson | B ● 37 | Bridgetown Road Board | 1927-28 |
| Thorley | I. E. | Manjimup | Dodge | WA ● 56 | Manjimup Road Board | 1926-27 |
| Thorley | I. E. | Manjimup | Ford | WA ● 150 | Manjimup Road Board | 1926-27 |
| Thorley | Ida E | Bridgetown | Fiat | B ● 168 | Bridgetown Road Board | 1927-28 |
| Thorley | Ida E. | Bridgetown | Fiat | B ● 168 | Bridgetown Road Board | 1926-27 |
| Thorley | Ivor E. | Greenbushes | Studebaker | GR ● 20 | Greenbushes Road Board | 1922-23 |
| Thorley | Ivor Edwin | Greenbushes | Cutting | GR ● 1 | Greenbushes Road Board | 1923-24 |
| 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 |
| Thorn | A. | - | Ford | Y 24 | York Municipality | 1916 |
| Thorn | A. | - | Ford | Y 24 | York Municipality | 1917-18 |
| Thorn | A. | - | Ford 20 H.P. | Y 24 | York Municipality | 1919 |
| Thorn | A. | - | Buick 20 H.P. | Y 24 | York Municipality | 1922-23 |
| Thorn | A. | - | Buick | Y 24 | York Municipality | 1923-24 |
| Thorn | A. | | Buick | Y 24 | York Municipality | 1924-25 |
| Thorn | A. | York | Ford | Y 24 | York Municipality | 1925-26 |
| Thorn | A. | York | Buick | Y 24 | York Municipality | 1926-27 |
| Thorn | A. | York | Buick | Y 24 | York Municipality | 1927-28 |
| Thorn | C. H. | Brown Hill | Ford | K ● 180 | Kalgoorlie Road Board | 1927-28 |
| Thorn | H. | Bruce Rock | Dodge | BK ● 159 | Bruce Rock Road Board | 1924-25 |
| Thorn | H. | Bruce Rock | Dodge | BK ● 159 | Bruce Rock Road Board | 1925-26 |
| Thorn | H. | Bruce Rock | Dodge | BK ● 159 | Bruce Rock Road Board | 1926-27 |
| Thorn | H. | North Dandalup | Ford | MY ● 57 | Murray Road Board | 1926-27 |
| Thorn | H. | Bruce Rock | Dodge | BK ● 159 | Bruce Rock Road Board | 1927-28 |
| Thorn | H. | North Dandalup | Ford | MY ● 57 | Murray Road Board | 1927-28 |
| Thornally | J. | Brookton | Ford 20 H.P. | BO 9 | Brookton Road Board | 1916 |
| Thornally | J. | Jelcobini, via Brookton | Ford 20 H.P. | BO ● 9 | Brookton Road Board | 1917-18 |
| Thornally | J. | Jelcobini via Brookton | Ford 20 H.P. | BO ● 9 | Brookton Road Board | 1919 |
| Thornborough | W. J. | Hannan Street, Kalgoorlie | Ford | KMC 265 | Kalgoorlie Municipal Council | 1926-27 |
| Thornbury | F. | Kojonup | Ford Truck | KO ● 57 | Kojonup Road Board | 1923-24 |
| Thornbury | F. W. | 164 Grosvenor Road | Premier 3½ H.P. Motorcycle | P 1316 | Perth Municipality | 1919 |
| Thornbury | F. W. | Kojonup | Crossley Motorcycle | KO ● 33 | Kojonup Road Board | 1922-23 |
| Thornbury | G. | 164 Grosvenor Road, North Perth | Triumph 3½ H.P. Motorcycle | P 934 | Perth Municipality | 1917-18 |
| Thornbury | G. F. | 7 Bruce Street, Nedlands | Chevrolet | 438 | Metro Private Car | 1927-28 |
| Thornbury | N. J. | Kojonup | Maxwell | KO ● 33 | Kojonup Road Board | 1923-24 |
| Thornbury | W. | Kojonup | Maxwell | KO ● 33 | Kojonup Road Board | 1927-28 |
| Thornbury | W. J. | Kojonup | Maxwell | KO ● 33 | Kojonup Road Board | 1924-25 |
| Thornbury | W. J. | Kojonup | Maxwell | KO ● 33 | Kojonup Road Board | 1925-26 |
| Thornbury | W. J. | Kojonup | Maxwell | KO ● 33 | Kojonup Road Board | 1926-27 |
| Thornbury | W. J. | Kojonup | Ford | KO ● 109 | Kojonup Road Board | 1926-27 |
| Thornbury | W. J. | Kojonup | Ford | KO ● 109 | Kojonup Road Board | 1927-28 |
| Thorne | A. G. | Dowerin | Morris-Cowley | D ● 200 | Dowerin Road Board | 1927-28 |
| Thorne | D. E. | Milledon | Dodge | SW ● 58 | Swan Road Board | 1926-27 |
| Thorne | D. E. | Millendon | Dodge | SW ● 58 | Swan Road Board | 1927-28 |
| Thorne | Dr R. J. H. | - | Chevrolet | NGN 128 | Narrogin Municipality | 1926-27 |
| Thorne | H. J R. | Kellerberrin | Chevrolet | KE ● 30 | Kellerberrin Road Board | 1927-28 |
| Thorne | L. W. | 30 Henderson Street, Fremantle | Chevrolet | 12524 | Metro Private Car | 1927-28 |
| Thorne | Lindsay | Milledon | Chevrolet | SW ● 27 | Swan Road Board | 1926-27 |
