| Pollard | J. T. H. | Babakin | Buick | BK ● 44 | Bruce Rock Road Board | 1926-27 |
| Pollard | M. A. | Hiawatha | Ford Truck | MR ● 5 | Marradong Road Board | 1927-28 |
| Pollard | W. | Wagin | Ford | W ● 74 | Wagin Road Board | 1925-26 |
| Pollard | W. | Wagin | Ford | W ● 74 | Wagin Road Board | 1926-27 |
| Pollard | W. | Wagin | Dodge | W ● 156 | Wagin Road Board | 1927-28 |
| Pollard | Wm. | Wagin | Ford | W ● 74 | Wagin Road Board | 1924-25 |
| Pollard & Dunn | - | Hiawatha via Marradong | Chevrolet | MR ● 3 | Marradong Road Board | 1924-25 |
| Pollard & Dunn | - | Hiawatha via Marradong | Ford lorry | MR ● 5 | Marradong Road Board | 1924-25 |
| Pollard & Dunn | - | Hiawatha | Chevrolet | MR ● 3 | Marradong Road Board | 1925-26 |
| Pollard & Dunn | - | Hiawatha | Ford Lorry | MR ● 5 | Marradong Road Board | 1925-26 |
| Pollard & Dunn | - | Hiawatha | Chevrolet | MR ● 3 | Marradong Road Board | 1926-27 |
| Pollard & Dunn | - | Hiawatha | Ford Lorry | MR ● 5 | Marradong Road Board | 1926-27 |
| Pollaroad | J. E. | Kojonup | Maxwell | KO ● 106 | Kojonup Road Board | 1927-28 |
| Pollenilli | V. | Curtis Street, Osborne Park | Ford Truck | P ● 41 | Perth Road Board | 1924-25 |
| Pollinetti | V. | Curtis Street, Osborne Park | Ford Truck | P ● 41 | Perth Road Board | 1927-28 |
| Pollintti | V. | Curtis StreetOsboune Park | Ford Truck | P ● 41 | Perth Road Board | 1924-25 |
| Pollitt | J. | Normans, Toodyay | Ford | T ● 73 | Toodyay Road Board | 1925-26 |
| Pollitt | J. | Toodyay | Ford | T ● 73 | Toodyay Road Board | 1926-27 |
| Pollitt | J. | Nunyle | Ford | T ● 73 | Toodyay Road Board | 1927-28 |
| Polloch | Robert | Belka | Essex | MD ● 25 | Merredin Road Board | 1927-28 |
| Pollock | A. | Wokalup | Chevrolet | H ● 34 | Harvey Road Board | 1926-27 |
| Pollock | A. | Wokalup | Chevrolet | H ● 34 | Harvey Road Board | 1927-28 |
| Pollock | G. | Dugan Street | Studebaker 21 H.P. for Trade or Hire | KMC 7 | Kalgoorlie Municipal Council | 1922-23 |
| Pollock | G. | Dugan Street | Studebaker31 H.P. for Trade or Hire | KMC 10 | Kalgoorlie Municipal Council | 1922-23 |
| Pollock | G. L. | Irwin Street | Studebaker 20 H.P. | P 583 | Perth Municipality | 1919 |
| Pollock | James | Hannan Street | Studebaker for Trade or Hire | KMC 24 | Kalgoorlie Municipal Council | 1922-23 |
| Pollock | James | Hannan Street | Hupmobile for Trade or Hire | KMC 64 | Kalgoorlie Municipal Council | 1922-23 |
| Pollock | R. | Belka | Essex | MD ● 25 | Merredin Road Board | 1923-24 |
| Pollock | R. | Belka | Essex | MD ● 25 | Merredin Road Board | 1924-25 |
| Pollock | R. | Belka | Essex | MD ● 25 | Merredin Road Board | 1925-26 |
| Pollock | R. | Belka | Essex | MD ● 25 | Merredin Road Board | 1926-27 |
| Pollock | W. | 14 Francis Street, Perth | De Dion | 4481 | Metro Private Car | 1924-25 |
| Pollock | W. | 14 Francis Street, Perth | De Dien | 4481 | Metro Private Car | 1925-26 |
| Poloklinghorn | I. G. | Welbunging | Studebaker | MM ● 23 | Mount Marshall Road Board | 1925-26 |
| Pololaise | E. A. | 18 King George Street, Victoria Park | Chevrolet | 1352 | Metro Private Car | 1927-28 |
| Pomeroy | H. | 86 Piccadily Street | Jap 4½ H.P. Motorcycle | KMC 106 | Kalgoorlie Municipal Council | 1922-23 |
| Pomeroy | H. H. | 95 Quarry Street, Fremantle | Studebaker | 12396 | Metro Private Car | 1927-28 |
| Pomeroy | H. S. | 8 Woodbridge Terrace, Midland Junc. | Hupmobile | 1560 | Metro Private Car | 1924-25 |
| Pomeroy | L. | Cathedral Avenue, Geraldton | Ajax | GN 135 | Geraldton Municipality | 1926-27 |
| Pomeroy | L. A. | Geraldton | Overland | GN 112 | Geraldton Municipality | 1924-25 |
| Pomeroy | L. A. | Cathedral Avenue, Geraldton | Ash | GN 135 | Geraldton Municipality | 1927-28 |
| Pomery | H. A. | 16 Stephen Street, Guildford | Daimler | 1554 | Metro Private Car | 1923-24 |
| Pond | C. E. | Wandering | Rugby | CR ● 146 | Corrigin Road Board | 1925-26 |
| Pond | C. E. | Kondinin | Rugby | KN ● 38 | Kondinin Road Board | 1925-26 |
| Pond | C. E. | Kondinin | Rugby | KN ● 38 | Kondinin Road Board | 1926-27 |
| Pond | C. E. | Kondinin | Rugby | KN ● 38 | Kondinin Road Board | 1927-28 |
| Pond & Co | - | Durlacher Street, Geraldton | Essex | GN 21 | Geraldton Municipality | 1926-27 |
| Ponter | Mrs H. | Albany | Dodge | A 16 | Albany Municipality | 1927-28 |
| Ponton | H. I. | 28 Canterbury Terrace, Victoria Park | Ford | 13073 | Metro Private Car | 1926-27 |
| Ponton & Mason | - | Balladonia | Buick | NM ● 3 | Norseman Road Board | 1924-25 |
