FamilyTreeDNA

Your Family Finder DNA match list is full of clues—if you know how to use it. This guide helps you make sense of your autosomal DNA results.

Your maternal line holds secrets from across centuries and continents. See how mtDNA connects modern testers to ancient individuals around the world.

FamilyTreeDNA maintains the largest Y-DNA haplotree in the world — a growing record of paternal ancestry. Each month, we update this post with the latest stats, insights, and…

What started as a question about one family name became the foundation of modern genetic genealogy. Here’s how Bennett Greenspan made it happen.

Two of FamilyTreeDNA’s earliest Group Project Administrators reflect on 25 years of discovery, innovation, and connection through genetic genealogy.

Learn how Family Finder uses SNPs to assign Y-DNA haplogroups, what they mean for your paternal ancestry, and how to refine results with tools like Discover™ and Big Y-700.

Explore how robust DNA and surname tree methods are helping researchers move beyond dominant Irish genealogy narratives to uncover lost clans like Ó Maol Phádraig of Bréifne.

Register online for free to attend the virtual conference, and be sure to visit our virtual booth!

RootsTech 2025 is just a week away! Whether you're a first-time attendee or a returning researcher, our virtual guide will help you navigate sessions, connect with experts, and…

FamilyTreeDNA’s mtDNA Tree of Humankind has expanded with 35,000 new branches, offering more detailed maternal ancestry insights than ever before. Learn how this update enhances…