The Corca Laidhe Regional Y DNA Study
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R-CTS4466 presence in the Corca Laidhe region of influence

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The movement of R-CTS4466 in Counties Cork and Kerry - prime Corca Laidhe territory - was very much driven by the rise and spread of some Eoghanacht families and later the Ui Fidgenti, coming out of north Munster. The modal haplotype on STR markers closely linked with R-CTS4466 was at one time called "South Irish."

But was there a presence in Munster prior to the ascent of the Eoghanachts? And was R-CTS4466 entirely confined to southern Ireland? Human remains with the presence of the parent SNP, R-FGC11134, have been found considerably further north.

We are learning more about the role of R-CTS4466 in the settlement of southern Ireland.

The presence of A88 > Z16259 in the study could be an indicator of Eoghanacht or Ui Fidgenti origin.

The A956 COLLINS branch currently does not have membership in the Corca Laidhe study, but has a decent presence in the pertinent surname project. Those men have Cork ancestry overlaid in much of the same area as the R-FGC4166 COLLINS men.

long forms snps tmrca

• R1b1a1b1a1a2c1a3 FGC11134 1800 B.C.E.
  • R1b1a1b1a1a2c1a3? A353 1360 B.C.E.
    • R1b1a1b1a1a2c1a3a A146/Z16250 1280 B.C.E.
      • R1b1a1b1a1a2c1a3a? A114 1130 B.C.E.
        • R1b1a1b1a1a2c1a3a2 CTS4466 250 C.E. CL ZENITH
          • R1b1a1b1a1a2c1a3a2a S1115 250 C.E.
            • R1b1a1b1a1a2c1a3a2a? FGC84010
              • R1b1a1b1a1a2c1a3a2a1 A541 250 C.E.
                • R1b1a1b1a1a2c1a3a2a1? A1135
                  • R1b1a1b1a1a2c1a3a2a1? FT7592
                    • R1b1a1b1a1a2c1a3a2a1b A195/Z16253 650 C.E.
                      • R1b1a1b1a1a2c1a3a2a1b1 A761
                        • R1b1a1b1a1a2c1a3a2a1b1a A88 750 C.E.
                          • R1b1a1b1a1a2c1a3a2a1b1a1 Z16259 850 C.E.
                            • R1b1a1b1a1a2c1a3a2a1b1a1. A10727 990 C.E.
                              • R1b1a1b1a1a2c1a3a2a1b1a1.. BY42849 Ó COILEÁIN [COLLINS] (COR)
                    • R1b1a1b1a1a2c1a3a2a1c A956
                      • R1b1a1b1a1a2c1a3a2a1c1 A2288
                        • R1b1a1b1a1a2c1a3a2a1c1a A5312/A5313 Ó COILEÁIN [COLLINS] (COR)
                • R1b1a1b1a1a2c1a3a2a1d A151 350 C.E.
                  • R1b1a1b1a1a2c1a3a2a1d2 A714
                    • R1b1a1b1a1a2c1a3a2a1d2. BY111005
                      • R1b1a1b1a1a2c1a3a2a1d2.. FT20917 Ó SIONNAIGH [SHINNICK] (COR or KER)

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