Catawba Wateree Genealogical Society

Camden, South Carolina.

Catholic Archives Society

United Kingdom & Ireland.

Catholic Child Welfare Council

United Kingdom. Services for adopted people and others formerly in our care, including child migrants.

Catholic Family History Society

United Kingdom.

Catholic Family History Society of London, England

Catholic Record Society

United Kingdom & Ireland.

Catlin Historical Society

Catlin, Illinois.

Catonsville Historical Society

Maryland.

Cavendish Historical Society

Cavendish, Vermont.

Cawker City Library and Genealogical Society

Kansas. Home of the North Central Kansas Genealogical Society.

Cayuga-Owasco Lakes Historical Society

Moravia, New York.

Cedar County Historical Society

Stockton, Missouri.

Cedar County Iowa Genealogical Society

Tipton, Iowa.

CEFHA - Continental European Family History Association

Salt Lake City, Utah.

Celilo Chapter, Oregon State Society Daughters of the American Revolution

The Dalles, Oregon.

Cemetery Research Group

United Kingdom.

Centerville-Washington Township Historical Society

Ohio.

Central Coast Family History Society Inc.

Gosford, New South Wales, Australia.

Central Florida Computer Society

Central Florida Genealogical Society

Orlando, Florida.