Founded in 1921, Grey Nuns of the Sacred Heart is a religious organization that follows the mission of St. Marguerite d'Youville. It is a group of more than 130 women who work in a variety of ministries rooted in health care, education, pastoral and social work. The organization operates schools, colleges and academies, hospitals, orphanage and a care center for senior citizens. It organizes support groups for imprisoned people and patients suffering from physical disabilities and substance abuse. It publishes various books and note cards. The organization organizes several kinds of fundraising events and activities. Grey Nuns of the Sacred Heart is located in Yardley, Pa.