Named afterH. Maxwell Lefroy was Comptroller of Fremantle Prison 1859-1876 (Ewers).See alsoSinclair StreetDescriptionWhole of Lefroy Road forms northern boundary of the Lefroy Estate, extended south to Lloyd Street. Street gazetted 20/8/1937. Section from South Terrace to Attfield Street known as Trinity Street in 1907/1908. 1909/1910 changed to Sinclair Street. A 1901 Lands and Surveys map indicates the street was gazetted on 20.08.1937.