Katharine Martha Houghton Hepburn was an American feminist social reformer and a leader of the suffrage movement in the United States. Hepburn served as president of the Connecticut Woman's Suffrage Association before joining the National Woman's Party. Alongside Margaret Sanger, Hepburn co-founded the organization that would become Planned Parenthood. She was the mother of Academy Award winning actress Katharine Hepburn.Early lifeKatharine Martha Houghton was born in Buffalo, New York on February 2, 1878 to Caroline Garlinghouse and Alfred Augustus Houghton, a member of the Houghton family of Corning Incorporated glass works. She was named in part after her maternal grandmother, Martha Spaulding Garlinghouse. Katharine had two younger sisters, Edith (1879–1948) and Marion (1882–1968). When not in Buffalo, she and her family spent time at their property in the Athol Springs area of Hamburg, New York and in Corning, New York, the seat of the family business. In contrast to the conservative views of the Episcopal Houghton family, Caroline and Alfred were progressive freethinkers. Thus, Houghton and her sisters were raised in a household that championed women's education and the ideas of the agnostic orator Robert G. Ingersoll.