About half of all US presidents can trace a branch of their family tree to the island of Ireland.
Genetic ancestry is much more complicated than how people report their race and ethnicity. New research, using data from the National Institutes of Health's (NIH) "All of Us" Research Program, finds ...
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Irish ancestry of 23 US presidents mapped and surprising place where most have roots revealed
Almost 23 US presidents trace their ancestry to Ireland - from Andrew Jackson, the 7th U.S. president, born only two years after his parents emigrated from Antrim, to Joe Biden, the 46th president, ...
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