| Forrest | J. | 46 Mount Street, Perth | Austin | 6795 | Metro Private Car | 1926-27 |
| Forrest | J. | Aldersyde | Dodge | BO ● 10 | Brookton Road Board | 1926-27 |
| Forrest | J. | Aldersyde | Dodge | BO ● 10 | Brookton Road Board | 1927-28 |
| Forrest | J. (Junior) | 46 Mount Street | Wolseley 16 H.P. | P 534 | Perth Municipality | 1919 |
| Forrest | J. G. | Guildford Road, Redcliffe | Buick | 6994 | Metro Private Car | 1925-26 |
| Forrest | J. Jnr. | 46 Mount Street | Wolseley 20 H.P. | P 534 | Perth Municipality | 1917-18 |
| Forrest | J. L. | 46 Mount Street, Perth | Austin | 6795 | Metro Private Car | 1927-28 |
| Forrest | J. R. | Lowden | Rugby | PE ● 112 | Preston Road Board | 1926-27 |
| Forrest | J. R. | Lowden | Ford | PE ● 112 | Preston Road Board | 1927-28 |
| Forrest | Jack | Mount Street, Perth | Dodge | 365 | Metro Private Car | 1923-24 |
| Forrest | Jno. Sir | 46 Mount Street | Wolseley 16 H.P. | P 2 | Perth Municipality | 1916 |
| Forrest | Jno.Jr. | 46 Mount Street | Wolseley 16 H.P. | P 2 | Perth Municipality | 1915 |
| Forrest | John | 46 Mount Street | Ford 20 H.P. | P 365 | Perth Municipality | 1916 |
| Forrest | John | 46 Mount Street | Ford 20 H.P. | P 365 | Perth Municipality | 1917-18 |
| Forrest | John junr. | 46 Mount Street | Ford 30 H.P. | P 218 | Perth Municipality | 1916 |
| Forrest | John, Junr. | 216 Mount Street | Ford 20 H.P. | P 218 | Perth Municipality | 1915 |
| Forrest | K. | Forrest Chambers | Ford 20 H.P. | P 597 | Perth Municipality | 1915 |
| Forrest | K. | Cubbin, Quairading | Morris-Oxford 10 H.P. | P 764 | Perth Municipality | 1915 |
| Forrest | K. | Quairading | Vauxhall | Q ● 18 | Quairading Road Board | 1925-26 |
| Forrest | K. | Quairading | Vauxhall | Q ● 18 | Quairading Road Board | 1926-27 |
| Forrest | K. | Quairading | Vauxhall | Q ● 18 | Quairading Road Board | 1927-28 |
| Forrest | K. F. | Quairading | Vauxhall | Q ● 18 | Quairading Road Board | 1922-23 |
| Forrest | K. F. | Quairading | Vauxhall | Q ● 18 | Quairading Road Board | 1923-24 |
| Forrest | K. F. | Quairading | Dodge | Q ● 18 | Quairading Road Board | 1924-25 |
| Forrest | K. F. | Quairading | Ford | Q ● 52 | Quairading Road Board | 1926-27 |
| Forrest | K. F. | Quairading | Ford | Q ● 52 | Quairading Road Board | 1927-28 |
| Forrest | Kimberley | Cubbine | Mitchell 29 H.P. | AV ● - | Avon Road Board | 1917-18 |
| Forrest | M. A. C. | Ludlow | Ford | SU ● 50 | Sussex Road Board | 1926-27 |
| Forrest | M. A. C. | Ludlow | Ford | SU ● 50 | Sussex Road Board | 1927-28 |
| Forrest | Mr. D. | Bay View Terrace, Claremont | Buick | 192 | Metro Private Car | 1926-27 |
| Forrest | Mr. D. | Bay View Terrace, Claremont | Buick | 192 | Metro Private Car | 1927-28 |
| Forrest | Mrs David | Bay View Terrace, Claremont | Overland | 192 | Metro Private Car | 1922-23 |
| Forrest | Mrs David | Bay View Terrace, Claremont | Overland | 192 | Metro Private Car | 1923-24 |
| Forrest | Mrs David | Bay View Terrace, Claremont | Buick | 192 | Metro Private Car | 1926-27 |
| Forrest | Mrs E | Konnongorring | Buick | GO ● 74 | Goomalling Road Board | 1927-28 |
| Forrest | Mrs M. F | View Street, Cottesloe | Paige | 4939 | Metro Private Car | 1927-28 |
| Forrest | N. | Edjudina | Ford | MN ● 24 | Menzies Road Board | 1924-25 |
| Forrest | N. | Edjudina | Ford | MN ● 24 | Menzies Road Board | 1925-26 |
| Forrest | P. D. | Upper Blackwood | Ford 20 H.P. | BU ● 7 | Blackwood (Upper) Road Board | 1919 |
| Forrest | P. D. | Dwalganup | Overland | BU ● 7 | Upper Blackwood Road Board | 1925-26 |
| Forrest | P. D. | Dwalganup | Oakland | BU ● 7 | Upper Blackwood Road Board | 1926-27 |
| Forrest | P. D. | Swalganup | Oakland | BU ● 7 | Upper Blackwood Road Board | 1927-28 |
| Forrest | Percival Dicey | Dwalganup | Overland | BU ● 7 | Upper Blackwood Road Board | 1922-23 |
| Forrest | Percival Dicey | Dwalganup | Overland | BU ● 7 | Blackwood (Upper) Road Board | 1923-24 |
| Forrest | R M. | View Street, Peppermint Grove | Jewett | 9018 | Metro Private Car | 1926-27 |
| Forrest | R. | Bunbury | Ford 20 H.P. | By 20 | Bunbury Municipality | 1919 |
| Forrest | R. | Bunbury | Ford 19 H.P. | By 20 | Bunbury Municipality | 1922-23 |
| Forrest | R. K. | Quairading | Chevrolet Truck | Q ● 271 | Quairading Road Board | 1927-28 |
| Forrest | R. M. | Minderoo Station | - | - | Ashburton Road Board | 1916 |
| Forrest | R. M. | Minderoo Station, Onslow | Dodge | AS ● 7 | Ashburton Road Board | 1922-23 |
