| Jeffreys | R. S. | 183 Hill Street | Overland 20 H.P. | F 6 | Fremantle Municipal Council | 1919 |
| Jeffreys | R. S. | 163 Hill Street, Fremantle | Dodge | 1635 | Metro Private Car | 1923-24 |
| Jeffreys | R. S. | 163 Hill Street, Fremantle | Trailer | 7672 | Metro Private Car | 1925-26 |
| Jeffreys | R. S. | 163 Hill Street, Fremantle | Trailer | 7672 | Metro Private Car | 1927-28 |
| Jeffreys | Rev. | Veen Street | Chevrolet | CM ● 3 | Collie Municipality | 1922-23 |
| Jeffreys | Rev. J. A. | Kellerberrin | Chatene Lea 8 H.P. | KE 1 | Kellerberrin Road Board | 1916 |
| Jeffreys | Rev. J. A. | Duke Street | Studebaker | N 100 | Northam Municipality | 1923-24 |
| Jeffreys | Robert Stanley | 183 High Street | King Dick 3½ H.P. Motorcycle | F 61 | Fremantle Municipality | 1915 |
| Jeffreys | Robert Stanley | 183 High Street | King Dick 3½ H.P. Motorcycle | F 61 | Fremantle Municipality | 1916 |
| Jeffries | - | Lalla Rookh Station | Overland | PH ● 25 | Port Hedland Road Board | 1924-25 |
| Jeffries | G. L. | Woodanilling | Overland | WO ● 61 | Woodanilling Road Board | 1926-27 |
| Jeffries | J. | Kununoppin | Dodge | KTY ● 44 | Kununoppin-Trayning Road Board | 1924-25 |
| Jeffries | J. | Kununoppin | Chevrolet Truck | KTY ● 24 | Kununoppin-Trayning Road Board | 1926-27 |
| Jeffries | J. | Kununoppin | Chevrolet Truck | KTY ● 24 | Kununoppin-Trayning Road Board | 1927-28 |
| Jeffries | J. A. | Fitzgerald Street | Dodge | N 2 | Northam Municipality | 1924-25 |
| Jeffries | J. A. | Fitzgerald Street | Dodge | N 66 | Northam Municipality | 1924-25 |
| Jeffries | J. A. | Fitzgerald Street | Dodge | N 66 | Northam Municipality | 1926-27 |
| Jeffries | J. A. | Fitzgerald Street | Studebaker | N 100 | Northam Municipality | 1926-27 |
| Jeffries | J. A. | Koorda | Maxwell | WM ● 149 | Wyalkatchem Road Board | 1926-27 |
| Jeffries | J. E. | Kununoppin | Dodge | KTY ● 44 | Kununoppin-Trayning Road Board | 1927-28 |
| Jeffries | J. G. | Kununoppin | Dodge | KTY ● 44 | Kununoppin-Trayning Road Board | 1925-26 |
| Jeffries | J. G. | Kununoppin | Dodge | KTY ● 44 | Kununoppin-Trayning Road Board | 1926-27 |
| Jeffries | Rev. J. A. | May Street | Dodge | N 100 | Northam Municipality | 1924-25 |
| Jeffries | W. G. | Mason Street, Cottesloe Beach | Ford Wagon | 6092 | Metro Private Car | 1924-25 |
| Jeffries | W. G. | Mason Street, Cottesloe Beach | Ford Wagon | 6092 | Metro Private Car | 1925-26 |
| Jeffries | W. G. | Mason Street, Cottesloe Beach | Ford Wagon | 6092 | Metro Private Car | 1926-27 |
| Jeffries & Sons | - | Newleyine | Ford | N ● 73 | Northam Road Board | 1924-25 |
| Jeffries and Sons | - | Newleyiffe | Ford | N ● 73 | Northam Road Board | 1923-24 |
| Jeffry | Miss A. L. P. | Bilbarin | Chevrolet | CR ● 206 | Corrigin Road Board | 1927-28 |
| Jeffry & Sons | - | Bilbarin | Ford | CR ● 73 | Corrigin Road Board | 1927-28 |
| Jeffrys | J. A. | Fitzgerald Street | Dodge | N 200 | Northam Municipality | 1925-26 |
| Jehrs | W. L. | Broome | Ford | BM ● 42 | Broome Road Board | 1924-25 |
| Jellings | E. | Fitzgerald Street | Ford | N 61 | Northam Municipality | 1922-23 |
| Jellings | E. | Fitzgerald Street | Ford | N 61 | Northam Municipality | 1923-24 |
| Jellings | E. | Fitzgerald Street | Chevrolet | N 114 | Northam Municipality | 1925-26 |
| Jellings | E. | Fitzgerald Street | Chevrolet | N 114 | Northam Municipality | 1926-27 |
| Jellings | E. E. | Fitzgerald Street | Chevrolet | N 114 | Northam Municipality | 1924-25 |
| Jellings | E. E. | Fitzgerald Street | Chevrolet | N 114 | Northam Municipality | 1927-28 |
| Jelly | J. | 123 Adelaide Terrace | Standard 12 H.P. | P 797 | Perth Municipality | 1917-18 |
| Jelly | J. | 123 Adelaide Terrace | Ford 20 H.P. | P 797 | Perth Municipality | 1919 |
| Jelly | J. | Hubble Street, East Fremantle | Bean | 6141 | Metro Private Car | 1924-25 |
| Jelly | John | 123 Adelaide Terace | Chevrolet 20 H.P. | P 797 | Perth Municipality | 1916 |
| Jenaway | W. | Mears | Ford | BO ● 68 | Brookton Road Board | 1927-28 |
| Jenkenson | G. A. | 59, Guildford Road, Mount Lawley | Fiat | 2618 | Metro Private Car | 1924-25 |
| Jenkenson | W. | James Street, Guildford | Ford | G 18 | Guildford Municipality | 1917-18 |
| Jenkin | H. V. | Mount Barker | Dodge | PL ● 67 | Plantagenet Road Board | 1927-28 |
| Jenkin | W. H. | - | B.S.A. 4¼ H.P. Motorcycle | DA ● 3 | Dardanup Road Board | 1917-18 |
| Jenkin | W. H. | - | B.S.A. 4¼ H.P. Motorcycle | DA ● 3 | Dardanup Road Board | 1919 |
| Jenkins | A. L. | Strawberry Hill Adelaide Terrace | Overland | 6213 | Metro Private Car | 1924-25 |
| Jenkins | A. W. | Harvey | Chevrolet | H ● 61 | Harvey Road Board | 1924-25 |
