Platt, Lyman. LDS Member Name Index, 1830-45 [database on-line]. Provo, UT, USA: Ancestry.com Operations Inc, 1999.Original data: Index to Sources for Encyclopedia of Early Mormon Names.
Officially organized in New York State in 1830, the Church of Jesus Christ of Latter-day Saints grew to a membership of over 30,000 before the death of its founder, Joseph Smith, in 1844. This database is an index of early members of the church whose names appear in over one hundred volumes documenting church history. Each record provides the surname and given name of the member, along with the reference where that name appears. Many entries also include parents', siblings, or names of children. It contains over 30,000 entries. For researchers of early Mormon ancestors, this can be a great source of detailed information.