 Sanger died of congestive heart failure in 1966 in Tucson, Arizona, aged 86, about a year after the U.S. Supreme Court case "Griswold v. Connecticut", which legalized birth control in the United States.Sanger is buried in Fishkill, New York, next to her sister, Nan Higgins, and her second husband, Noah Slee.One of her surviving brothers was College Football Hall of Fame player and Pennsylvania State University Head Football coach Bob Higgins.