| Nicholson | Wm. | Brighton Street, Cottesloe | B.S.A. & Sidecar | 1271 | Metro Motorcycle | 1922-23 |
| Nicholson | Wm. | Canning Vale | Hupmobile | J ● 4 | Jandakot Road Board | 1922-23 |
| Nicholson & Co Ltd | - | Hannan Street | B.S.A. 3½ H.P. Motorcycle | KMC 14 | Kalgoorlie Municipality | 1916 |
| Nicholson Ltd | - | Barrack Street, Perth | Dodge | 1208 | Metro Private Car | 1922-23 |
| Nicholson Ltd | - | Perth | Overland | 7543 | Metro Private Car | 1925-26 |
| Nicholson Ltd | - | Barrack Street, Perth | Morris Cowley | 14488 | Metro Private Car | 1927-28 |
| Nicholson's Ltd | - | Barrack Street, Perth | Dodge Wagon | 1208 | Metro Private Car | 1924-25 |
| Nicholson's Ltd | - | Barrack Street, Perth | Dodge Wagon | 1208 | Metro Private Car | 1925-26 |
| Nicholson's Ltd | - | Barrack Street, Perth | Dodge Wagon | 1208 | Metro Private Car | 1926-27 |
| Nicholson's Ltd | - | Barrack Street, Perth | Dodge Wagon | 1208 | Metro Private Car | 1927-28 |
| Nicholsons Ltd | - | - | B.S.A. 3½ H.P. Motorcycle | KMC 14 | Kalgoorlie Municipality | 1915 |
| Nicholsons Ltd | - | Barrack Street | Albion 16 H.P. | P 273 | Perth Municipality | 1915 |
| Nicholsons Ltd | - | Barrack Street | Overland 25 H.P. | P 329 | Perth Municipality | 1915 |
| Nicholsons Ltd | - | Barrack Street | Triumph 3½ H.P. Motorcycle | P 633 | Perth Municipality | 1915 |
| Nicholsons Ltd | - | Barrack Street | Albion 6 H.P. | P 273 | Perth Municipality | 1916 |
| Nicholsons Ltd | - | Barrack Street | Albion 16 H.P. | P 273 | Perth Municipality | 1917-18 |
| Nicholsons Ltd | - | Perth | Chevrolet | 2496 | Metro Private Car | 1922-23 |
| Nicholsons Ltd | - | Barrack Street, Perth | Chevrolet | 2496 | Metro Private Car | 1923-24 |
| Nicholsons Ltd | - | Barrack Street, Perth | Dodge | 5198 | Metro Private Car | 1924-25 |
| Nicholsons Ltd | - | Barrack Street, Perth | Citroen | 5207 | Metro Private Car | 1924-25 |
| Nicholsons Ltd | - | Barrack Street, Perth | Citroen | 8010 | Metro Private Car | 1925-26 |
| Nicholsons Ltd | - | Barrack Street, Perth | Dodge | 5198 | Metro Private Car | 1925-26 |
| Nicholsons Ltd | - | Barrack Street | Dodge | 13616 | Metro Private Car | 1926-27 |
| Nicholsons Ltd | - | Barrack Street, Perth | Reo Wagon | 13110 | Metro Private Car | 1926-27 |
| Nicholsons Ltd | - | Barrack Street, Perth | Citroen | 8010 | Metro Private Car | 1926-27 |
| Nicholsons Ltd | - | Barrack Street, Perth | Citroen | 8010 | Metro Private Car | 1927-28 |
| Nicholsons Ltd | - | Barrack St | Dodge | 13616 | Metro Private Car | 1927-28 |
| Nicholsons Ltd | - | Perth | Cowley Wagon | 813 | Metro Private Car | 1927-28 |
| Nicholsons Ltd | - | Barrack Street, Perth | Dodge | 2940 | Metro Private Car | 1927-28 |
| Nicholsons Ltd | - | Barrack Street, Perth | Reo Wagon | 13110 | Metro Private Car | 1927-28 |
| Nickels | Lily S. | 16 Marmion Street, North Perth | Chevrolet | 4057 | Metro Private Car | 1927-28 |
| Nickinson | W. W. | - | Essex | M ● 108 | Moora Road Board | 1925-26 |
| Nickisson | W. W. | - | Essex | M ● 108 | Moora Road Board | 1926-27 |
| Nickolsons Ltd | - | Barrack Street, Perth | Dodge | 1208 | Metro Private Car | 1923-24 |
| Nicol | G. | Mount Barker | Ford | PL ● 123 | Plantagenet Road Board | 1925-26 |
| Nicol | G. | Mount Barker | Ford | PL ● 123 | Plantagenet Road Board | 1926-27 |
| Nicol | Geo. | Mount Barker | Ford | PL ● 8 | Plantagenet Road Board | 1927-28 |
| Nicol | J. | 97 Hannah Street | Triumph 3½ H.P. Motorcycle | KMC 134 | Kalgoorlie Municipal Council | 1922-23 |
| Nicolay | A. | 186 Pier Street, Perth | Chevrolet | 6221 | Metro Private Car | 1924-25 |
| Nicolay | A. | 186 Pier Street, Perth | Chevrolet | 6221 | Metro Private Car | 1925-26 |
| Nicolay | A. | South Crescent, Bayswater | Chevrolet | 6221 | Metro Private Car | 1926-27 |
| Nicolay | A. E. | 644 Beaufort Street, Perth | Dodge | 6387 | Metro Private Car | 1924-25 |
| Nicolay | A. E. | 644 Beaufort Street, Perth | Dodge | 6387 | Metro Private Car | 1925-26 |
| Nicolay | A. E. | 87 Kitchener Avenue, Victoria Park | Dodge | 14766 | Metro Private Car | 1927-28 |
| Nicolson | Mrs A. | Beaufort Hotel, Perth | Dort | 6140 | Metro Private Car | 1927-28 |
| Niel | A. J. | Koojan | Chevrolet | M ● 163 | Moora Road Board | 1926-27 |
| Nielson | E. A. | Bridge Street, South, Guildford | Overland | 11805 | Metro Private Car | 1926-27 |
| Nielson | E. A. | Bridge Street, South, Guildford | Overland | 11805 | Metro Private Car | 1927-28 |
| Nielson | E. W. A. | 20 St.Leonara Avenue, West Leederville | Indian | 119 | Metro Motorcycle | 1922-23 |
| Nierly & Co | D. | Cottesloe | Daimler 25 H.P. | Ce 39 | Municipality of Cottesloe | 1919 |
