Louise Day Hicks is elected to represent the Ninth Congressional District.

The first woman Democrat elected to Congress from Massachusetts, Hicks (D) defeats Laurence Curtis (R) and Daniel Houton (I). Hicks, with 24,886 votes, defeated J. Joseph Moakley, with 19,656, and David Nelson, with 18,352, in the Democratic primary on September 15, 1970. She is reelected in 1972, after defeating state senator Robert Cawley, Boston School Committee member James Hennigan Jr., activist Hubie Jones, and Bay State Banner publisher Melvin Miller in the Democratic primary on September 19, 1972.