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You are here:  HomeTips › DNA tests for genealogy
DNA Tests for Genealogy

DNA tests are now an important tool for family history. They allow you to contact your 'matches' (people who might be close or distant relatives whose DNA matches yours). Some testing companies also give you powerful tools to analyse your results. My DNA tests have put me in touch with many relatives, ranging from 2nd cousins to (amazingly) a 6th cousin, who have shared information and helped me to confirm theories and fill gaps in my family tree. This page has my personal tips about DNA tests, and links to recommended reading. Links open in a new window.

I have done all 3 of these autosomal DNA tests, which are available to both males and females. If you test with AncestryDNA, I strongly advise you to transfer your results (free of charge) to FamilyTreeDNA. That link leads to instructions.

  1. Ancestry DNA test. Ancestry has the largest customer database; and they attempt to predict which ancestor you share with your match (which can be very helpful, but treat it as a theory, not a fact). As I said, transfer your AncestryDNA results (free of charge) to FamilyTreeDNA (note advantage no.1 below).

  2. 'Family Finder' test at Family Tree DNA. Advantages include (1) This may take you back a generation or more beyond what you'll achieve with AncestryDNA, because FTDNA has results for people who tested long before AncestryDNA began; (2) It's easy to email your matches directly; (3) Your sample is stored in case you want to request additional tests (mitochondrial DNA and, for males, Y-DNA which is only passed from father to son); (4) There are good tools for analysing your results. For example, this site offers a Chromosome Browser (which isn't available at Ancestry); and when you upload a family tree that includes family members who have tested, and link each person's DNA results to that individual in your tree, FamilyTreeDNA's 'Family Matching' feature may show whether other 'unknown' matches are connected through the paternal or maternal side of your tree.

  3. My recent ancestry as predicted by LivingDNA Living DNA test. Unlike the others, this allows you to break down your British / Irish ancestry within the last few hundred years into any of the 21 regions shown under 'Great Britain and Ireland' in the list of worldwide regions. My results have given me useful clues (eg, which counties to focus on when I'm researching my brick-wall ancestors).

    The image on the right shows part of my results at LivingDNA. Most of their predictions fit beautifully with what I know about my ancestry, but Cornwall and Devon are unexpected, so maybe my 'brick-wall' ancestors came from there.

    If you have done a DNA test elsewhere and would like access to LivingDNA's Family Networks service, you can upload a file that was produced by AncestryDNA, FamilyTreeDNA, MyHeritageDNA, 23andMe, Gene by Gene, or Geno 2.0 (National Geographic). See this explanation.

I also uploaded my raw data (free of charge) to:
DNA Tips Recommended Reading about DNA Saving money on DNA tests

DNA testing companies periodically offer discounts. I often mention them on Genealogy Discounts and Freebies, and on my genealogy page on Facebook and in my newsletter.

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