Joseph Hamilton-Holder (born February 2, 1912 in Trinidad and Tobago) became mayor of Port of Spain in 1968. Hamilton-Holder had joined the City Corporation in 1956 after defeating Michael Lee Leung in the Southern Ward on a PNM ticket. He then served as Dennis Mahabir's deputy when Mahabir was elected in 1957 to 1959. To his honour a street in Port of Spain located near the Hasley Crawford Stadium was named after him. O'Connor Street now merges into Hamilton-Holder Street.[1]
He also served as principal and founded Progressive Educational Institute. He is also a winner of the Chaconia Gold Medal.