Maryknoll is a name shared by 500 organizations (one society of apostolic life, one religious institute and one lay ministry) that are part of the Roman Catholic Church: Maryknoll Fathers and Brothers (Catholic Foreign Mission Society of America; Maryknoll Society), Maryknoll Sisters (Maryknoll Sisters of St. Dominic), and Maryknoll Lay Missioners. The organizations are independent entities with shared history that work closely together in the joint focus of the overseas mission activity of the Catholic Church particularly in East Asia, China, Japan, America, Latin America, and Africa. The organizations officially began in 1911, founded by Thomas Frederick Price, James Anthony Walsh, and Mary Joseph Rogers. The name "Maryknoll" comes from the hill outside the Village of Ossining, Westchester County, New York, which houses the headquarters of all three. Members of the societies are usually called "Maryknollers".