In the Latter Day Saint movement, the Presiding Patriarch (also called Presiding Evangelist, Patriarch over the Church, Patriarch of the Church, or Patriarch to the Church) is a church-wide leadership office within the priesthood. Among the duties of the Presiding Patriarch are to preside in council meetings, ordain other patriarchs, and administer Patriarchal Blessings.
Originally, the office of Presiding Patriarch was one of the highest and most important offices of the church's priesthood. The role was equated by Joseph Smith, Jr. with Biblical patriarchs from Adam to Abraham, Isaac, and Jacob, and it was expected that the office would descend through lineal succession from father to son. This precedent was set when Hyrum Smith, Joseph Smith's brother, became the second Presiding Patriarch because he was the eldest surviving son of the first Presiding Patriarch, Joseph Smith, Sr. When the office was given to Hyrum, he was given "keys of the patriarchal priesthood over the kingdom of God on earth, even the Church of the Latter Day Saints". Thus, some have argued that Presiding Patriarch is an office of the Patriarchal Priesthood. However, the existence and meaning of the Patriarchal Priesthood is controversial and uncertain.
In the major denominations of the Latter Day Saint movement, the role of the Presiding Patriarch diminished substantially after the death of Hyrum Smith. Today, the Community of Christ ordains a Presiding Evangelist who plays an important role in the Church, but it is not required that the person be a descendant of Joseph Smith's family. That tradition was discontinued in 1958 when RLDS Church President W. Wallace Smith presented Roy Cheville as a successor to Elbert A. Smith. Unlike Elbert A. Smith, Cheville was not a descendant of Joseph Smith, Sr. In 1984, the Community of Christ changed the name of the office from Presiding Patriarch to Presiding Evangelist, along with the change of name of the local office of Evangelist-Patriarch to simply Evangelist. The Church of Jesus Christ of Latter-day Saints effectively discontinued the office of Presiding Patriarch in 1979.