Seeking any male Corrigans, Carrigans, Currigans and Kerrigans worldwide, for yDNA testing. All variant spellings accepted. As yDNA is only present in males, we can only accept a Corrigan/Carrigan/Currigan etc male with yDNA results. yDNA tests allow genealogists to verify their father's father's...father's Corrigan ancestry. As this test traces a males Corrigan line, a male must be tested. yDNA information can be very powerful when combined with traditional paper trails. We aim to connect related Corrigan/Carrigan/Currigan/Kerrigan families and to determine whether there are multiple O'Corrigain lines and where they are from. A 37 or 67 marker yDNA test is recommended for this surname project