Derived from Jolimont Terrace, a street name in a subdivision of Swan subdivided in October 1891 by the owner John Henry Maddock. John Henry Maddock was a Melbourne solicitor who acquired the land on July 2nd 1891. It is believed he named Jolimont Terrace after the Melbourne suburb of Jolimont which was in turn named after "Jolimont", the residence of Governor Latrobe, built 1839.