The term Salvatorians refers to members of one of three religious communities: the Congregation of the Sisters of the Divine Savior, the Lay Salvatorians, and the Society of the Divine Savior (Latin: Societas Divini Salvatoris), a Roman Catholic religious institute composed of priests and religious Brothers, founded by Father Francis Mary of the Cross Jordan in Rome on December 8, 1881. As of December 2010 the Society of the Divine Savior counted 1127 members and worked in 40 countries around the world. Salvatorians use the post-nominal letters "S.D.S."