Mormon Church
From MormonWiki
The Mormon Church is an unofficial name used to refer to The Church of Jesus Christ of Latter-day Saints. The term Mormon derives from The Book of Mormon, translated by Joseph Smith in 1829. The Church was formed by Smith a year later, in 1830. The nickname has been commonly used, especially by those outside the Church, to refer to the Church since that time.
See The Church of Jesus Christ of Latter-day Saints for more complete information about the Church.