Church of Jesus Christ of Latter-day Saints Profile: Church of Jesus Christ of Latter-day Saints (LDS) a.k.a. LDS Church, Mormon Church Related Entities: Has as leader Joseph Smith, JrMember of Hyrum Smith Events (2) 1844: Mormon Leader, Brother Murdered by Mob in Illinois Jail 1882: Edmunds Act Disenfranchises Citizens Convicted of Polygamy