There are currently three DNA projects related to the Clay family.
There is the American based Clay family Society, familytree DNA Project which trys to locate the links between English Clays and early American Clays.
The Clay Society of England, Anglo- American DNA research project which is hoped will provide targetted genealogical descendants of both English and American Clays to link into the Clay family tree DNA project.
The third DNA project which has yet to be launched is the Society of Anglo-French Clays DNA Research Project. This will trying to establish links betweeen the Clays of England and the Clays of France and if successful will establish England as the middle position between America and France. However DNA testing for genealogical purposes is not legal in France and this may pose a significant future problem.