| Jarvis & Buss | - | Kirks Rock | Ford | WK ● 66 | Wickepin Road Board | 1924-25 |
| Jas.per | A. J. | Cunderdin | Oakland | ME ● 48 | Meckering Road Board | 1923-24 |
| Jas.per | Geo. | Cunderdin | Chevrolet | ME ● 37 | Meckering Road Board | 1923-24 |
| Jas.per | Henry Edward | Cunderdin | Chevrolet | ME ● 58 | Meckering Road Board | 1923-24 |
| Jas.per | T. J. | Cunderdin | Chevrolet | ME ● 33 | Meckering Road Board | 1923-24 |
| Jason | Howard | Kelmscott | Bean | 6890 | Metro Private Car | 1925-26 |
| Jason | Howard | Kelmscott | Bean | 6890 | Metro Private Car | 1926-27 |
| Jasper | A. J. | Cunderdin | Oakland | ME ● 48 | Meckering Road Board | 1922-23 |
| Jasper | A. J. | Cunderdin | Oakland | ME ● 48 | Meckering Road Board | 1924-25 |
| Jasper | A. J. | Cunderdin | Oakland | ME ● 48 | Meckering Road Board | 1925-26 |
| Jasper | A. J. | Cunderdin | Buick | ME ● 136 | Meckering Road Board | 1925-26 |
| Jasper | A. J. | Cunderdin | Buick | ME ● 136 | Meckering Road Board | 1926-27 |
| Jasper | A. J. | Cunderdin | Buick | ME ● 136 | Meckering Road Board | 1927-28 |
| Jasper | E. R. | Cunderdin | Chevrolet | ME ● 300 | Meckering Road Board | 1927-28 |
| Jasper | F. | Kellerberrin | B.S.A. Motorcycle | KE ● 54 | Kellerberrin Road Board | 1922-23 |
| Jasper | F. | Kellerberrin | Ford | KE ● 5 | Kellerberrin Road Board | 1924-25 |
| Jasper | F. | Kellerberrin | Ford | KE ● 5 | Kellerberrin Road Board | 1925-26 |
| Jasper | F. | Kellerberrin | Ford | KE ● 5 | Kellerberrin Road Board | 1926-27 |
| Jasper | F. | Kellerberrin | Ford | KE ● 5 | Kellerberrin Road Board | 1927-28 |
| Jasper | G. S. | Cunderdin | Buick | ME ● 208 | Meckering Road Board | 1926-27 |
| Jasper | G. S. | Cunderdin | Buick | ME ● 208 | Meckering Road Board | 1927-28 |
| Jasper | Geo. | Cunderdin | Chevrolet | ME ● 37 | Meckering Road Board | 1922-23 |
| Jasper | George | Cunderdin | Chevrolet | ME ● 37 | Meckering Road Board | 1924-25 |
| Jasper | H. A. | Cunderdin | Chevrolet | ME ● 333 | Meckering Road Board | 1927-28 |
| Jasper | H. E. | Cunderdin | Chevrolet | ME ● 300 | Meckering Road Board | 1926-27 |
| Jasper | H. E. | Cunderdin | Chevrolet | ME ● 322 | Meckering Road Board | 1927-28 |
| Jasper | Henry Edward | Cunderdin | Chevrolet | ME ● 58 | Meckering Road Board | 1924-25 |
| Jasper | Henry Edward | Cunderdin | Chevrolet | ME ● 58 | Meckering Road Board | 1925-26 |
| Jasper | S. H. W. | Cunderdin | Chevrolet | ME ● 152 | Meckering Road Board | 1926-27 |
| Jasper | S. H. W. | Cunderdin | Chevrolet | ME ● 152 | Meckering Road Board | 1927-28 |
| Jasper | T. J. | Cunderdin | Chevrolet | ME ● 33 | Meckering Road Board | 1922-23 |
| Jasper | T. W. | Cunderdin | Chevrolet | ME ● 33 | Meckering Road Board | 1924-25 |
| Jasper | T. W. | Cunderdin | Chevrolet | ME ● 152 | Meckering Road Board | 1925-26 |
| Jeffereys | R. | 163 Hill Street, Fremantle | Studebaker | 4044 | Metro Private Car | 1924-25 |
| Jeffery | H. E. | Toolibin | Ford | WK ● 13 | Wickepin Road Board | 1925-26 |
| Jefferys | R. | 163 Hill Street, Fremantle | Studebaker | 4044 | Metro Private Car | 1926-27 |
| Jeffrey | H. E | Toolibin | Ford | WK ● 50 | Wickepin Road Board | 1926-27 |
| Jeffrey | James | Marleyup via Kojonup | Studebaker | KO ● 20 | Kojonup Road Board | 1922-23 |
| Jeffrey | James | Kojonup | Studebaker | KO ● 20 | Kojonup Road Board | 1923-24 |
| Jeffrey | V. R | Harrismith | Dodge | WK ● 103 | Wickepin Road Board | 1926-27 |
| Jeffrey | V. R. | Wickepin | Ford | WK ● 10 | Wickepin Road Board | 1923-24 |
| Jeffrey | V. R. | Harrismith | Oakland | WK ● 103 | Wickepin Road Board | 1924-25 |
| Jeffrey | V. R. | Harrismith | Oakland | WK ● 103 | Wickepin Road Board | 1925-26 |
| Jeffrey | V. R. | Harrismith | Dodge | WK ● 103 | Wickepin Road Board | 1927-28 |
| Jeffreys | J. A. | Fitzgerald Street | Studebaker | N 100 | Northam Municipality | 1925-26 |
| Jeffreys | R. | 163 Hill Street, Fremantle | Studebaker | 4044 | Metro Private Car | 1923-24 |
| Jeffreys | R. | 163 Hill Street, Fremantle | Studebaker | 4044 | Metro Private Car | 1925-26 |
| Jeffreys | R. | 163 Hill Street, Fremantle | Studebaker | 4044 | Metro Private Car | 1927-28 |
| 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 |
