Please see the newest Y-DNA database release from Sorenson Molecular Genetic Foundation.
There seems to be some new Carroll family trees. Search by surname.
http://smgf.org
or
www.smgf.org
or
http://smgf.org/ysearch_results.jsp?convertedFrom=FTDNA_v1&DYS385=11-...
Eric Olson
Carroll-DNA-L(a)rootsweb.com