A Genealogist’s Guide to Understanding Your FamilyTreeDNA Autosomal Matches
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.
Ancient Connections of the Maternal Kind
Your maternal line holds secrets from across centuries and continents. See how mtDNA connects modern testers to ancient individuals around the world.
FamilyTreeDNA’s Y-DNA Haplotree: 90,000 Branches and Counting
FamilyTreeDNA’s Y-DNA haplotree is the largest of its kind, with over 90,000 branches and 750,000 variants. This overview outlines its structure, scientific value, and current scope as of April 2025.
The World’s Largest Y-DNA Haplotree
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 tools to help you explore your place in history.
Voices from the Beginning: Early Group Project Administrators Reflect on 25 Years of FamilyTreeDNA
Two of FamilyTreeDNA’s earliest Group Project Administrators reflect on 25 years of discovery, innovation, and connection through genetic genealogy.
Understanding Y-DNA Haplogroups in Family Finder™ Results
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.
DASTs, CASTs, and the Quest to Reclaim Lost Irish Clans: “Gene-Ealogy” and the New Era of Irish Surname, Clan, and Kindred Research
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.
Updated mtDNA Haplotree: 35,000 New Branches for Genealogy Research
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 your mtDNA results, genealogy research, and our understanding of human history.
mtDNA Discover™: New Reports to Uncover Your Maternal Ancestry
Discover more about your maternal lineage with mtDNA Discover reports. Explore haplogroup origins, migration routes, and DNA connections to history.
The Matrix Refreshed: New Functionality For A Classic Family Finder™ Tool
The Family Finder™ Matrix just got a refresh! With new functionality, it’s easier than ever to compare DNA matches, confirm relationships, and improve triangulation.