These links will take you to find archives and records on various Church denominations.
Evangelical Synod Archives at Eden Theological Seminary
Episcopal Church Archives
The Church of Jesus Christ of Latter-day Saints
Lutheran-Evangelical Lutheran Church in America
Lutheran Church-Missouri Synod
Primitive Baptist Library
Roman Catholic—Boston Archdiocesan Archives
Roman Catholic—Chicago Archdiocesan Archives
Roman Catholic—St. Louis Archdiocesan Archives
Southern Baptist Historical Library and Archives
United Church of Christ
United Methodist Church