| Ross | J. D. | River Road, Kelmscott | Ford Wagon | 3891 | Metro Hire or Trade | 1924-25 |
| Ross | J. R. | Irvine Street, Peppermint Grove | Gray | 7034 | Metro Private Car | 1925-26 |
| Ross | J. R. | 142 Canning Road, East Fremantle | Gray | 7034 | Metro Private Car | 1926-27 |
| Ross | James | Margaret Road | Excelsior 7-9 H.P. | MJ 16 | Midland Junction Municipality | 1919 |
| Ross | L. A. | 33 Wickham Street, East Perth | Chevrolet | 14262 | Metro Private Car | 1927-28 |
| Ross | L. S. | 19 Perth Street, Cottesloe | Dodge | 3299 | Metro Private Car | 1924-25 |
| Ross | L. S. | 19 Perth Street, Cottesloe | Dodge | 3299 | Metro Hire or Trade | 1925-26 |
| Ross | M. A. | Treesville | Rugby | H ● 94 | Harvey Road Board | 1927-28 |
| Ross | N. | Pinjarra | Dodge | MY ● 127 | Murray Road Board | 1925-26 |
| Ross | N. | Pinjarra | Dodge | MY ● 127 | Murray Road Board | 1926-27 |
| Ross | N. | Pinjarra | Dodge | MY ● 127 | Murray Road Board | 1927-28 |
| Ross | Namoi S. | 19 Perth Street, Cottesloe | Ford | 3299 | Metropolitan Hire and Trade Cars | 1923-24 |
| Ross | Naomi | 19 Perth Street, Cottesloe | Ford | 3299 | Metro Vehicle for Hire | 1922-23 |
| Ross | V. H. | Commercial Road | Indian 7-9 H.P. Motorcycle | MJ 12 | Midland Junction Municipality | 1917-18 |
| Ross | V. W. | Newcastle Road | Triumph 3½ H.P. Motorcycle | MJ 12 | Midland Junction Municipality | 1916 |
| Ross | W. | Marion Street | Belsize 15 H.P. | MJ 5 | Midland Junction Municipality | 1915 |
| Ross | W. | Kwobrup | Ford | KT ● 22 | Kent Road Board | 1924-25 |
| Ross | W. | Kwobrup | Ford | KT ● 22 | Kent Road Board | 1925-26 |
| Ross | W. | High Street, Fremantle | Maxwell | 4321 | Metro Private Car | 1925-26 |
| Ross | W. | Kwobrup | Ford | KT ● 22 | Kent Road Board | 1926-27 |
| Ross | W. A. | Broome Street, Cottesloe | Citroen | 5829 | Metro Private Car | 1925-26 |
| Ross | W. A. | Broome Street, Cottesloe | Citroen | 5829 | Metro Private Car | 1926-27 |
| Ross | W. A. | Broome Street, Cottesloe | Citroen | 5829 | Metro Private Car | 1927-28 |
| Ross | W. E. | 52 Wood Street, Swanbourne | Chevrolet | 14525 | Metro Private Car | 1927-28 |
| Ross | W. M. | High Street, Fremantle | Maxwell | 4321 | Metro Private Car | 1924-25 |
| Ross | W. McL. | High Street, Fremantle | Darracq | 1839 | Metro Private Car | 1922-23 |
| Ross | William McLean | High Street, Fremantle | Maxwell | 4321 | Metro Private Car | 1923-24 |
| Ross & Cohen | - | 1 Throssell Street, Perth | Ford Wagon | 13102 | Metro Private Car | 1926-27 |
| Ross & Cohen | - | 1 Throssell Street, Perth | Ford Wagon | 14508 | Metro Private Car | 1927-28 |
| Ross Heale | C. H. | 23 View Way, Nedlands | Hupmobile | 4681 | Metro Private Car | 1923-24 |
| Ross W A. | - | Broome Street, Cottesloe | Citroen | 5829 | Metro Private Car | 1924-25 |
| Rosser | Elizabeth | Mogumber | Buick | VP ● 31 | Victoria Plains Road Board | 1925-26 |
| Rosser | Elizabeth | Mogumber | Buick | VP ● 31 | Victoria Plains Road Board | 1926-27 |
| Rosser | T. H. | Northampton | Chevrolet | NR ● 90 | Northampton Road Board | 1925-26 |
| Rosser | T. H. | Northampton | Chevrolet | NR ● 90 | Northampton Road Board | 1926-27 |
| Rosser | T. H. | Northampton | Chevrolet | NR ● 90 | Northampton Road Board | 1927-28 |
| Rosser | Thos. | Northhampton | Chevrolet | NR ● 90 | Northampton Road Board | 1924-25 |
| Rosser | W. E. | 19 Emerald Hill Terrace, West Perth | Chevrolet | 14338 | Metro Private Car | 1927-28 |
| Rossi | G. | - | Buick | BE ● 191 | Beverley Road Board | 1924-25 |
| Rossi | G. | Beverley | Buick | BE ● 191 | Beverley Road Board | 1925-26 |
| Rossi | G. B. | Pithara | Buick | DL ● 150 | Dalwallinu Road Board | 1926-27 |
| Rossi | G. B. | Pithara | Buick | DL ● 150 | Dalwallinu Road Board | 1927-28 |
| Rossiter | Cyrill | 518 Fitzgerald Street, North Perth | Morris Cowley | 12930 | Metro Private Car | 1927-28 |
| Rossiter | W. O. | Ravensthorpe | Ford Wagon | PR ● 38 | Phillips River Road Board | 1927-28 |
| Rossman Lake View & Star | E. C. | - | Austin | K ● 107 | Kalgoorlie Road Board | 1925-26 |
| Rothery | F. T. | 184 Barker Road, Subiaco | Chevrolet | 5364 | Metro Private Car | 1927-28 |
| Rothery | T. R. | 184 Barker Road, Subiaco | Essex | 13593 | Metro Private Car | 1926-27 |
| Roudin | J. | Moora | Chevrolet Truck | M ● 124 | Moora Road Board | 1927-28 |
| Roulston & Hore | - | Nungarin | Ford | NA ● 25 | Nungarin Road Board | 1927-28 |
| Roulston & Horp | - | Nungarin | Ford | NA ● 25 | Nungarin Road Board | 1925-26 |
