The members of the Church of Jesus Christ of Latter Day Saints are known as Mormons. This religious group originated in the early 19th century in the United States and follows the teachings of the Book of Mormon, alongside the Bible. The term "Mormon" is derived from the title of the book that is considered scripture by the church.
Mormonism is a branch of Christianity that has distinct beliefs and practices compared to mainstream Protestant denominations like Baptists or Purists. While Mormons consider themselves to be Christians, they have unique doctrines, including the belief in modern prophets, additional scriptures, and the concept of eternal families.
In summary, the members of the Church of Jesus Christ of Latter Day Saints are commonly referred to as Mormons due to their faith in the Book of Mormon and distinct religious practices.