- Religion Family Trees
- Religious Groups
- Compare Members
- Data Sources
European Free-Church (Brethren, Mennonites, Quakers, Amish)
- Apostolic Christian Church (Nazarene)
- Apostolic Christian Churches of America
- Beachy Amish Mennonite Churches
- Brethren Church (Ashland, Ohio)
- Brethren in Christ Church
- Church of God in Christ, Mennonite
- Church of the Brethren
- Evangelical Friends Alliance
- Evangelical Friends International
- Fellowship of Evangelical Bible Churches
- Fellowship of Evangelical Churches
- Fellowship of Grace Brethren Churches
- Friends General Conference
- Friends United Meeting
- General Conference Mennonite Church
- Mennonite Brethren Churches, U.S. Conference of
- Mennonite Church USA
- Northwest Yearly Meeting of Friends Church
- Old German Baptist Brethren Church
- Old Order (Wisler) Mennonite Church
- Old Order Amish Mennonite Church
- Philadelphia Yearly Meeting of the Religious Society of Friends
- Reformed Mennonite Church
- Religious Society of Friends (Conservative)
- Schwenkfelder Church in America
- United Zion Church
Inactive Denominations (Denomination is defunct, has been renamed or merged with another denomination, or has not reported data since 1980)
- Church of God (New Dunkers)
- Conservative Amish Mennonite Conference
- Conservative Mennonite Conference
- Defenseless Mennonite Brethren of Christ in North America
- Defenseless Mennonite Church
- Evangelical Friends Church, Eastern Division
- Evangelical Mennonite Brethren Conference
- Evangelical Mennonite Church
- Hicksite Friends
- Krimmer Mennonite Brethren Church
- Mennonite Brethren Church of North America (Bruedergemeinde)
- Mennonites, Central Conference
- National Fellowship of Brethren Churches
- Nebraska Yearly Meeting of Friends
- Ohio Yearly Meeting of Friends
- Old Mennonite Lancaster Conference Church
- Old Order Yorker River Brethren
- Oregon Yearly Meeting of the Friends Church
- Orthodox Friends
- Pacific Yearly Meeting of Friends
- Primitive Friends
- Religious Society of Friends (Central Yearly Meeting)
- Religious Society of Friends (Kansas Yearly Meeting)
- Religious Society of Friends (Philadelphia and Vicinity)
- Religious Society of Friends (Unaffiliated Meetings)
- Rocky Mountain Yearly Meeting of the Friends Church
- Stauffer Mennonite Church