Several weeks ago, I blogged about the ethnic analysis I received from Ancestry DNA. The second part of the analysis is a comparison of your DNA with the DNA of other people who have submitted their DNA to Ancestry. The end result of that analysis is a listing of trees that contain people who have a DNA chain that matches yours. As I looked at my matches, I had 4 third cousins, 94 4th cousins, and 112 pages of 5th to 8th cousins. I was also the member of 2 DNA Circles. A circle is a group of individuals, at least 3, who share a common ancestor.
So what did I find? The two circles I was were in the John M. Hannah Circle and the Charity Mears Circle (my great, great grandfather and grandmother). Those in the circle were descended from their two sons—John Wesley Hannah and George Newell Hannah. I really did not learn much from these circles as all these folks were already in my tree. I will, however, contact the person to created the tree.
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For matches that have no hint, and that is the vast majority of matches, Ancestry gives you the tree
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It seems to me that how well this works for a person depends on how many other people who are related to you have submitted their DNA to Ancestry. I also think it hinges on what you find most interesting in genealogy. Many people want to have as many people as possible in their tree. In fact I have a match with someone with over 16000 people in their tree. I am more interested in having fewer people and knowing more about them and their lives, e.g. where they lived, what they did, where they went to school, etc. In a couple of months, I will let you know how I am coming with my DNA.