In the 1820s, Joseph Smith at Palmyra, N.Y. related several revelations that led to the writing of the Book of Mormon and the founding of a new religion, the Church of Jesus Christ of the Latter-Day Saints. In just over 10 years, the movement had spread into Monmouth County as far as Toms River (Ocean County wasn’t founded until 1850).

While finding local sources on Mormons in New Jersey has been difficult, a search of the Brigham Young University archives revealed a surprise: a 2001 article by…