| Leach | G. | Wanneroo | Ford Wagon | WN ● 1 | Wanneroo Road Board | 1926-27 |
| Leach | G. | Wanneroo | Ford Wagon | WN ● 1 | Wanneroo Road Board | 1927-28 |
| Leach | G. H. & G. A. | Geelakin | Ford Truck | WT ● 76 | Westonia Road Board | 1927-28 |
| Leach | George | Wanneroo | Ford 20 H.P. | WN ● 1 | Wanneroo Road Board | 1919 |
| Leach | George | Wanneroo | Ford | WN ● 1 | Wanneroo Road Board | 1922-23 |
| Leach | George | Wanneroo | Ford | WN ● 1 | Wanneroo Road Board | 1923-24 |
| Leach | George | Wanneroo | Ford Truck | WN ● 1 | Wanneroo Road Board | 1924-25 |
| Leach | Georges | Wanneroo | Ford 20 H.P. | WN ● 1 | Wanneroo Road Board | 1917-18 |
| Leach | J. D. | Rutland Avenue, Carlisle | Chevrolet | 8757 | Metro Private Car | 1925-26 |
| Leach | J. D. | 89 Bruce Street, Nedlands | Chevrolet | 8757 | Metro Private Car | 1926-27 |
| Leach | J. D. | 89 Bruce Street, Nedlands | Chevrolet | 8757 | Metro Private Car | 1927-28 |
| Leach | J. J. | Ida Street, Bassendean | Overland | 8806 | Metro Private Car | 1926-27 |
| Leach | J. N. | Koorda | Reo | WM ● 166 | Wyalkatchem Road Board | 1927-28 |
| Leach | James H. | State Savings Bank Perth | Buick | 1746 | Metro Private Car | 1927-28 |
| Leach | M. | 28 Osborne Road, East Fremantle | Overland | 12153 | Metro Private Car | 1926-27 |
| Leach | M. | Osborne Road, East Fremantle | Overland | 12153 | Metro Private Car | 1927-28 |
| Leach | M. P. | - | B.S.A. 4 H.P. Motorcycle | KMC 2 | Kalgoorlie Municipality | 1915 |
| Leach | P. | Geraldton | Renault 8-10 H.P. | GN 36 | Geraldton Municipality | 1916 |
| Leach | P. | - | Renault 8-10 H.P. | GN 36 | Geraldton Municipality | 1917-18 |
| Leach | P. | - | Renault 10 H.P. | GN 36 | Geraldton Municipality | 1919 |
| Leach | P. | - | Renault 10 H.P. | GN 36 | Geraldton Municipality | 1922-23 |
| Leach | P. | - | Renault 10 H.P. | GN ● 36 | Geraldton Municipality | 1923-24 |
| Leach | P. U. | Durlacher Street, Geraldton | Renault | GN 36 | Geraldton Municipality | 1924-25 |
| Leach | P. U. | Durlacher Street, Geraldton | Renault | GN 36 | Geraldton Municipality | 1925-26 |
| Leah | A. | Yarding | Indian Motorcycle | BK ● 13 | Bruce Rock Road Board | 1922-23 |
| Leah | J. H. | Bruce Rock | Essex | BK ● 124 | Bruce Rock Road Board | 1924-25 |
| Leah | J. H. | - | Essex | BK ● 124 | Bruce Rock Road Board | 1925-26 |
| Leah | J. H. | - | Essex | BK ● 124 | Bruce Rock Road Board | 1926-27 |
| Leah | J. H. | - | Essex | BK ● 124 | Bruce Rock Road Board | 1927-28 |
| Leahy | A. | - | Overland 20 H.P. | KMC 32 | Kalgoorlie Municipality | 1915 |
| Leahy | A. | 106 Croesus Street | Overland 20 H.P. | KMC 32 | Kalgoorlie Municipality | 1916 |
| Leahy | A. | 106 Croesus Street | Overland 20 H.P. Hire Car | KMC 32 | Kalgoorlie Municipal Council | 1917-18 |
| Leahy | A. | Laverton | Overland 20 H.P. | MG 5 | Mount Margaret Road Board | 1919 |
| Leahy | A. A. | Laverton | Overland | MG ● 2 | Mount Margaret Road Board | 1925-26 |
| Leahy | A. A. | Laverton | Overland | MG ● 2 | Mount Margaret Road Board | 1926-27 |
| Leahy | Andrerw A. | Laverton | Overland | MG ● 2 | Mount Margaret Road Board | 1924-25 |
| Leahy | Arthur | 901 Hay Street | Studebaker 30 H.P. | P 783 | Perth Municipality | 1916 |
| Leahy | Arthur A. | 901 Hay Street | Rudge 3½ H.P. Motorcycle | P 45 | Perth Municipality | 1916 |
| Leahy | Augustine | Laverton | Overland | MG ● 2 | Mount Margaret Road Board | 1923-24 |
| Leahy | Augustus | Laverton | Overland 30 H.P. | MG ● 7 | Mount Margaret Road Board | 1922-23 |
| Leahy | D. | Pithara | Rover | DL ● 173 | Dalwallinu Road Board | 1927-28 |
| Leahy | J. | Pithara | Dodge | DL ● 47 | Dalwallinu Road Board | 1923-24 |
| Leahy | J. | Pithara | Dodge | DL ● 47 | Dalwallinu Road Board | 1924-25 |
| Leahy | J. | Pithara | Dodge | DL ● 47 | Dalwallinu Road Board | 1925-26 |
| Leahy | J. | Pithara | Studebaker | DL ● 47 | Dalwallinu Road Board | 1926-27 |
| Leahy | J. | Pithara | Studebaker | DL ● 47 | Dalwallinu Road Board | 1927-28 |
| Leahy | M. | Pithara | Ford | DL ● 14 | Dalwallinu Road Board | 1924-25 |
| Leahy | M. | Pithara | Reo | DL ● 109 | Dalwallinu Road Board | 1925-26 |
| Leahy | M. | Pithara | Ford | DL ● 14 | Dalwallinu Road Board | 1925-26 |
| Leahy | M. | Pithara | Ford | DL ● 14 | Dalwallinu Road Board | 1926-27 |
