Several of our members have taken additional tests placing them within the Irish Type II group, also known as the IT2, the R-L21 4466 & South Irish, and the R1b-CTS4466 Plus group. Many different tests have recently become available allowing our members to individually test specific SNPs.

Our part of CTS4466 Plus currently includes the SNPs A541, S1121, Z16251, Z16252, Z18170,S1126, A542, A543, S1129, A1137, and A1138.