Two Ancestry members have 6cM MATHER DNA matched to me (only) when searching for Kentucky, USA:
Jim Weller (James Weller family tree) had a 6cM DNA match to me. He is descended from Agnes Mather, born 2 Dec 1835 at Hardin and married 1857 at Laure Kentyucy, USA. Parents Henry Mather & Lucretia Henen Walters.
Chris Gilley (6cM DNA match), has Mary Jennings Mather, born 10 Feb 1841, Louisville, Jefferson, Kentucky, USA.