| Ritchie | A. W. | 23 Mends Street, South Perth | Fiat | 8016 | Metro Private Car | 1925-26 |
| Ritchie | A. W. | Mends Street, South Prth | Ford Truck | 5382 | Metro Private Car | 1925-26 |
| Ritchie | A. W. | 23 Mends Street, South Perth | Fiat | 8016 | Metro Private Car | 1926-27 |
| Ritchie | A. W. | Mends Street, South Perth | Citroen | 5087 | Metro Private Car | 1927-28 |
| Ritchie | A. W. | Mends Street, South Perth | Ford Truck | 5382 | Metro Private Car | 1927-28 |
| Ritchie | A. W. | 23 Mends Street, South Perth | Fiat | 8016 | Metro Private Car | 1927-28 |
| Ritchie | E. B. | 23 Mends Street, South Perth | Citroen | 9151 | Metro Private Car | 1925-26 |
| Ritchie | E. B. | 23 Mends Street, South Perth | Citroen | 9151 | Metro Private Car | 1926-27 |
| Ritchie & Jackman | - | 167 Murray Street | Humber 3½ H.P. Motorcycle | P 547 | Perth Municipality | 1919 |
| Ritson | L. | W.A. Bank | Overland | KMC 210 | Kalgoorlie Municipal Council | 1925-26 |
| Ritson | L. | Esperance | Chevrolet | EO ● 15 | Esperance Road Board | 1927-28 |
| Ritson | Mary | 17 Ord Street | Overland 16 H.P. | P 1234 | Perth Municipality | 1919 |
| Ritson | R. A. | Boyup Brook | Chevrolet | BU ● 34 | Upper Blackwood Road Board | 1924-25 |
| Ritson | R. A. | Boyup Brook | Chevrolet | BU ● 34 | Upper Blackwood Road Board | 1925-26 |
| Ritson | R. A. | Boyup Brook | Chevrolet | BU ● 34 | Upper Blackwood Road Board | 1926-27 |
| Ritson | R. A. | Boyup Brook | Chevorlet | BU ● 34 | Upper Blackwood Road Board | 1927-28 |
| Ritter | E. | 256 Fitzgerald Street, Perth | Ford Wagon | 5497 | Metro Private Car | 1924-25 |
| Ritter | E. | 256 Fitzgerald Street, Perth | Ford Wagon | 3630 | Metro Hire or Trade | 1924-25 |
| Ritter | E. | 286 Fitzgerald Street, North Perth | Chevrolet | 8860 | Metro Private Car | 1925-26 |
| Ritter | E. | 256 Fitzgerald Street, Perth | Ford Wagon | 3630 | Metro Hire or Trade | 1925-26 |
| Ritter | E. | 256 Fitzgerald Street, Perth | Ford Wagon | 5497 | Metro Private Car | 1925-26 |
| Ritter | E. | 256 Fitzgerald Street, Perth | Ford Wagon | 13508 | Metro Private Car | 1926-27 |
| Ritter | E. | 256 Fitzgerald Street, Perth | Ford Wagon | 5497 | Metro Private Car | 1927-28 |
| Ritter | E. | 256 Fitzgerald Street, Perth | Ford Wagon | 13508 | Metro Private Car | 1927-28 |
| Ritter | E. E. | 256 Fitzgerald Street, Perth | Chrysler | 14502 | Metro Private Car | 1927-28 |
| Ritter | E. W. | 256 Fitzgerald Street, Perth | Ford Wagon | 5497 | Metro Private Car | 1926-27 |
| Ritter | H. | 256 Fitzgerald Street, West Perth | Chevrolet | 8704 | Metro Private Car | 1926-27 |
| Ritter | H. | 256 Fitzgerald Street, North Perth | Ford Wagon | 10729 | Metro Hire or Trade | 1927-28 |
| Ritter | Zoe | 128 Seventh Avenue, Inglewwod | Dodge | 5212 | Metro Private Car | 1926-27 |
| Riva | A. H. | Mount Lawley | Hobart 2¾ H.P. Motorcycle | P 70 | Perth Municipality | 1916 |
| Riverina South G.M. | - | Riverina | Buick 15-20 H.P. | MN ● 7 | Menzies Road Board | 1917-18 |
| Riverina South Gold Mine | - | Riverina | Buick 20 H.P. | MN 7 | Menzies Road Board | 1919 |
| Rlavel | R. | - | Oldsmobile | NR ● 128 | Northampton Road Board | 1926-27 |
| Roach | J. | Toodyay | Ford | T ● 96 | Toodyay Road Board | 1925-26 |
| Roach | J. | Toodyay | Ford | T ● 96 | Toodyay Road Board | 1926-27 |
| Roach | J. | Toodyay | Ford | T ● 96 | Toodyay Road Board | 1927-28 |
| Roach | J. PO | Roebourne | Overland | TB ● 14 | Tableland Road Board | 1926-27 |
| Roach | Mrs F | 15 Helena Street, East Guildford | Chevrolet | 5271 | Metro Private Car | 1927-28 |
| Roach | Mrs M. | 246 Mandurah Road, South Fremantle | Whippet | 12146 | Metro Private Car | 1926-27 |
| Roach | Mrs M. | 246 Mandurah Road, South Fremantle | Whippet | 12146 | Metro Private Car | 1927-28 |
| Roach | Mrs M. B. | 246 Mandurah Road, Fremantle | Overland | 5001 | Metro Private Car | 1925-26 |
| Roach | Mrs M. M. | 246 Mandurah Road, Fremanttle | Overland | 5001 | Metro Private Car | 1924-25 |
| Roach | S. G. | Pithara | Ford | DL ● 27 | Dalwallinu Road Board | 1922-23 |
| Roach | S. G. | Pithara | Ford | DL ● 27 | Dalwallinu Road Board | 1923-24 |
| Roach | S. G. | Pithara | Ford | DL ● 27 | Dalwallinu Road Board | 1924-25 |
| Roach | S. G. | Pithara | Studebaker | DL ● 112 | Dalwallinu Road Board | 1925-26 |
| Roach | S. G. | Pithara | Ford | DL ● 27 | Dalwallinu Road Board | 1925-26 |
| Roach | S. G. | Pithara | Studebaker | DL ● 112 | Dalwallinu Road Board | 1926-27 |
| Roach | S. G. | Pithara | Studebaker | DL ● 112 | Dalwallinu Road Board | 1927-28 |
| Roach | Thos. | 1298 Hay Street | Essex | 600 | Metro Private Car | 1922-23 |