The maternal relationship between Jean Chambers Curran Donley and her DNA tested daughter PCD is confirmed by the direct inheritance path of autosomal DNA.
The segmental (via DNA segment triangulation) and total DNA shared between PCD and other confirmed descendants of
John Edwin Curran/
Margaret Elizabeth Tierney is consistent with the expected ranges for their respective relationships. Since PCD descends from John Edwin Curran/Margaret Elizabeth Tierney through Jean Chambers Curran Donley, the presence of significant shared DNA between PCD and other known descendants of John Edwin Curran/Margaret Elizabeth Tierney validates the generational links along this maternal line.
This supports the conclusion that DNA was passed from MRCA couple John Edwin Curran/Margaret Elizabeth Tierney through Jean Chambers Curran Donley to PCD, confirming this direct ancestral connection through multiple generations.