| Pascoe | W. J. | 50 Clancy Street, Boulder | Studebaker | B 4 | Boulder Municipality | 1924-25 |
| Pascoe | W. J. | 50 Clancy Street, Boulder | Studebaker | B 4 | Boulder Municipality | 1925-26 |
| Pascoe | W. J. | 50 Clancy Street, Boulder | Studebaker | B 4 | Boulder Municipality | 1926-27 |
| Pascoe | W. J. | 50 Clancy Street, Boulder | Studebaker | B 12 | Boulder Municipality | 1927-28 |
| Pass | W. H. | 91 Bourke Street, Leederville | Morris Cowley | 13786 | Metro Private Car | 1927-28 |
| Passmore | F. | Byford | Ford Truck | A-K ● 97 | Armadale-Kelmscott Road Board | 1925-26 |
| Passmore | F. | Byford | Ford Truck | A-K ● 97 | Armadale-Kelmscott Road Board | 1926-27 |
| Past | W. H. | 91 Burke Street, Leederville | Morris-Cowley | 13786 | Metro Private Car | 1926-27 |
| Paterson | G. S. | Warren Road | Ford | KT ● 11 | Kent Road Board | 1925-26 |
| Paterson | G. S. | Warren Road | Ford | KT ● 11 | Kent Road Board | 1927-28 |
| Paterson | J. W. | Keane Street, Cottesloe | Essex | 8350 | Metro Private Car | 1926-27 |
| Paterson | John | Pingrup | Ford Truck | KT ● 46 | Kent Road Board | 1927-28 |
| Paterson & Co | - | Mount Barker | Ford | PL ● 14 | Plantagenet Road Board | 1927-28 |
| Paterson & Co Ltd | - | Mount Barker | Ford 19 H.P. | PL ● 55 | Plantagenet Road Board | 1922-23 |
| Paterson & Co Ltd | - | Mount Barker | Ford 19 H.P. | PL ● 55 | Plantagenet Road Board | 1923-24 |
| Patman | A. | William Street, Perth | Studebaker | 711 | Metro Private Car | 1926-27 |
| Patman | A. | William Street, Perth | Studebaker | 711 | Metro Private Car | 1927-28 |
| Paton | J. L. | Keane Street, Peppermint Grove | Dodge | 5177 | Metro Private Car | 1925-26 |
| Patten | J. F. | Mount Kokeby | Chevrolet | BE ● 130 | Beverley Road Board | 1925-26 |
| Patten | J. F. | Mount Kokeby | Chevrolet | BE ● 130 | Beverley Road Board | 1926-27 |
| Patten | J. F. | Mount Kokeby | Chevrolet | BE ● 130 | Beverley Road Board | 1927-28 |
| Patterson | A. J. | Kukerin | Chevrolet | DU ● 52 | Dumbleyung Road Board | 1927-28 |
| Patterson | Alex | 75 Bourke Street, Leederville | Gray | 2726 | Metro Private Car | 1927-28 |
| Patterson | C. D. C. | 20 Shakespeare Street, Leederville | Studebaker | 3545 | Metro Hire or Trade | 1927-28 |
| Patterson | C. P. C. | 258 Havelock Street, Perth | Studebaker | 3545 | Metro Private Car | 1924-25 |
| Patterson | C. P. C. | 65 Malcolm Street,Perth | Studebaker | 3545 | Metro Hire or Trade | 1925-26 |
| Patterson | G. | Holyoake | Chevrolet | MY ● 50 | Murray Road Board | 1925-26 |
| Patterson | G. E. | Holyoake | - | MY ● 50 | Murray Road Board | 1924-25 |
| Patterson | G. S | Warren Road | Ford Truck | KT ● 44 | Kent Road Board | 1927-28 |
| Patterson | G. S. | Warren Road | Ford | KT ● 11 | Kent Road Board | 1924-25 |
| Patterson | G. S. | Warren Road | Ford | KT ● 11 | Kent Road Board | 1926-27 |
| Patterson | H. | Holyoake | Chevrolet | MY ● 57 | Murray Road Board | 1924-25 |
| Patterson | J. | Kenwick | Ford Lorry | GS ● 13 | Gosnells Road Board | 1924-25 |
| Patterson | J. | Railway Parade, Kenwick | Republic | 3069 | Metro Hire or Trade | 1925-26 |
| Patterson | J. | Railway Parade, Kenwick | Republic | 3069 | Metro Hire or Trade | 1926-27 |
| Patterson | J. W. | Keane Street, Cottesloe | Essex | 8350 | Metro Private Car | 1925-26 |
| Patterson | James | Kenwick | Republic Wagon | 10693 | Metro Hire or Trade | 1927-28 |
| Patterson | R. J. | Warren Road | Rugby | KT ● 28 | Kent Road Board | 1925-26 |
| Patterson | R. J. | Warren Road | Rugby | KT ● 28 | Kent Road Board | 1926-27 |
| Patterson | R. J. | Warren Road | Rugby | KT ● 28 | Kent Road Board | 1927-28 |
| Patterson | W. | Parkers Range | Rugby | YL ● 4 | Yilgarn Road Board | 1927-28 |
| Patterson | W. A. | Parker's Range | Ford | YL ● 3 | Yilgarn Road Board | 1924-25 |
| Patterson | W. A. | Parker's Range | Rugby | YL ● 19 | Yilgarn Road Board | 1924-25 |
| Patterson | W. A. | Parker's Range | Ford | YL ● 25 | Yilgarn Road Board | 1924-25 |
| Patterson | W. A. | Parkers Range | Ford | YL ● 3 | Yilgarn Road Board | 1925-26 |
| Patterson | W. A. | Parker's Range | Rugby | YL ● 19 | Yilgarn Road Board | 1925-26 |
| Patterson | W. A. | Parkers Range | Rugby | YL ● 4 | Yilgarn Road Board | 1926-27 |
| Patterson & Landwehr | - | - | Ford Truck | DK ● 23 | Drakesbrook Road Board | 1926-27 |
| Pauley | E. | Boulder | Studebaker 15-20 H.P. | BMC 8 | Boulder Municipality | 1915 |
| Pauley | E. | - | Studebaker 15-20 H.P. | BMC 8 | Boulder Municipality | 1916 |
