The Kilcoyne Y-DNA Project has grown significantly since its founding several years ago. The group was initially founded by a Coyne researcher who tested several individuals, now totaling 22. These Coyne men make up nine paternally unrelated groups, none of which are connected to any Kilcoyne groups. I took over the project three years ago, volunteering my time to its development, with my primary focus being on Kilcoyne lineages.
The Kilcoynes form ten unrelated groups with fifty-seven testers. Here, "unrelated" means not sharing a common male ancestor within the last few thousand years. The Kilcoyne testers have a diverse pool, with 40% being born in Ireland or England, and the rest being American. Some surname variants found for the Kilcoynes include Coen, Coyle, and Doyle. The lone Doyle tester is likely a descendant of a Coyle man. Of these ten groups, four constitute the majority of the testing database.
The Kilcoyne Y-DNA Project has grown significantly since its founding several years ago. The group was initially founded by a Coyne researcher who tested several individuals, now totaling 22. These Coyne men make up nine paternally unrelated groups, none of which are connected to any Kilcoyne groups. I took over the project three years ago, volunteering my time to its development, with my primary focus being on Kilcoyne lineages.
The Kilcoynes form ten unrelated groups with fifty-seven testers. Here, "unrelated" means not sharing a common male ancestor within the last few thousand years. The Kilcoyne testers have a diverse pool, with 40% being born in Ireland or England, and the rest being American. Some surname variants found for the Kilcoynes include Coen, Coyle, and Doyle. The lone Doyle tester is likely a descendant of a Coyle man. Of these ten groups, four constitute the majority of the testing database.
The testing of the male-inherited Y chromosome is the tool used for this study. The Y chromosome passes from father to son relatively unchanged until the line ends or produces only daughters. The Y-DNA test allows us to reach back into time, over 300,000 years, enabling us to determine not only our ancient roots and migration paths but also to reconstruct our family trees within the last several hundred years using variants known as SNPs (single nucleotide polymorphisms). These SNPs occur randomly in our male ancestors, creating unique branches or haplogroups, which allow us to create a genetic tree. These SNPs are discovered using the BigY700 test, the most expensive of the three kits available at FamilyTreeDNA. The Y-37 kit is very affordable and useful for placing individuals into specific groups within the project; it's a good starter kit for matching your family.
BigY700 SNP tree example
In each of the four primary groups, matches with the Coyles occur, events which can be dated back to the 1600s. This is likely due to the English language replacing native Irish during that time. As people move, languages, accents, and surnames evolve.
You can contribute to our active study by recruiting a male family member who carries the surname for Y-DNA testing. The privacy of testers and the names of living individuals are protected. We still have much to learn about our family and the surname. There are many lineages around the world that have not yet been tested. Testing can allow families to trace their ancestry back to their native parish in County Mayo or County Sligo in the 19th century, thanks to the fifty-seven Kilcoyne testers already in the database with their earliest known locations documented. I have collected most known Kilcoyne family trees, so if an individual tests, I can easily place their family in a specific parish or very close to it. If a family lacks a male tester, I suggest using Ancestry.com's test for a basic DNA test that provides an ethnicity estimate and, more importantly, matches to other Kilcoynes.
Regards,
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