Maine's 3rd congressional district is an obsolete congressional district. It was created in 1821 after Maine achieved statehood in 1820 as part of the enactment of the Missouri Compromise. It was eliminated in 1963 after the 1960 U.S. Census. Its last congressman was Clifford McIntire. List of members representing the district References Congressional Biographical Directory of the United States 1774–present 03 Former congressional districts of the United States 1821 establishments in Maine Constituencies established in 1821 1883 disestablishments in Maine Constituencies disestablished in 1883 1885 establishments in Maine Constituencies established in 1885 1963 disestablishments in Maine Constituencies disestablished in 1963