What is Y-DNA Exploring the History and Significance of the Y-Chromosome - FamilyTreeDNA Blog

What is Y-DNA?

Exploring your paternal lineage uncovers a treasure trove of family history. Y-DNA testing, pioneered by FamilyTreeDNA since 2000, guides this journey. You can discover new ancestors and validate family connections by testing your Y-DNA. Learn about the evolution of Y-DNA testing and the advancements reshaping our understanding of paternal ancestry.


Ancient Lineages A 49,000-Year-Old Branch Split Y-DNA Haplogroup E Confirmed 15 Years After Initial Discovery - FamilyTreeDNA Blog

Ancient Lineages: A 49,000-Year-Old Branch Split in Y-DNA Haplogroup E Confirmed 15 Years After Initial Discovery

A customer with a Family Finder test received a Y-DNA haplogroup that led to the rediscovery of a haplogroup that was discovered 15 years ago.


Recruit Potential Y-DNA Testers From Your Family Finder Match List

Master using Family Finder to identify potential Y-DNA matches and refine research.


Uncovering Surname Origins Mark's Journey with FamilyTreeDNA - FamilyTreeDNA Blog

Uncovering Surname Origins: Mark’s Journey with FamilyTreeDNA

Join Mark Bankston as he unravels his family's Swedish heritage, discovering surprising lineage connections. Curiosity led him to a revelation. What will your DNA reveal about your past?


Discovering Irish Roots Paul's Success Story - FamilyTreeDNA Blog

Discovering Irish Roots: Paul’s Journey with FamilyTreeDNA

Paul McMonagle made a surprising discovery about his father's lineage when he took a Y-37 test. He discovered his Irish roots, connected with Y-DNA matches, and found his place on the Tree of Mankind.


What One Tester Learned About Daniel Boone Through DNA Testing

Uncover Boone Day, honoring Daniel Boone's journey, the Portwood connection, and DNA revelations, tracing Katy’s 6th great-grandfather's role at Fort Boonesborough.


Get Help Understanding Your Y-DNA Results - FamilyTreeDNA

Y-DNA: The Ultimate Course for Tracing Your Family History

Discover the power of Y-DNA for genealogy with Your DNA Guide's three-week course. Learn to analyze results, solve mysteries, and answer your burning questions.


GAP Guest Blog - The O'Shea Y-DNA Project and 20 Years of Genetic Genealogy

Group Projects for Irish Ancestry: How DNA Testing and Collaboration Have Benefited Family History Research

Learn how DNA testing and Group Projects have transformed Irish genealogy research with Margaret O’Shea-Jordan.


FamilyTreeDNA Enhances TMRCA Estimates for Improved Family History Research

FamilyTreeDNA has made updates to the TMRCA (Time to Most Recent Common Ancestor) that will improve age estimates in the Tree of Humankind.


FamilyTreeDNA Discover™

Introducing FamilyTreeDNA Discover™

FamilyTreeDNA is taking paternal DNA testing to a whole new level. Discover fun facts and connections through the magic of the Y chromosome.