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Hay Genealogy and Hay Family History Information

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About the Hay surname

James Hay is unique in that the mitochondrial DNA of his wife, Anne Preston, is known. Three female descendents of Anne submitted specimens for DNA analysis, and supplied family trees. Further research merged these families until Anna Preston became the earliest female ancestor. Mitochondrial DNA remains the same for periods longer than the modern practice of record keeping has been in being. Of course, the accuracy of the genealogy governs the correctness of the ancestors' DNA.