Y-DNA Sheds New Light on the Medieval Genealogies Blog PostFeatured Image

Y-DNA Sheds New Light on the Medieval Genealogies of the Uí Briúin Dynasty of Northwest Ireland, Part 1

Learn how Y-DNA has helped shed new light on the medieval genealogies of the Uí Briúin dynasty of northwest Ireland and what this new information means for genetic genealogists.


Documents and DNA: Telling the Story of Janine Cloud's Paternal Line

Documents and DNA: Telling the Story of Janine Cloud’s Paternal Line

Explore the Cloud paternal line, a tangled history of Cherokee ancestry, the Trail of Tears, and ancestry mysteries unraveled through DNA testing.


Exploring the Full Mitochondrial Genome

Exploring the Full Mitochondrial Genome: Understanding the Inheritance of Mitochondria

Read part two of our mtDNA series, and discover the unique inheritance of the mitochondrial genome and the potential insights into our ancestral origins with mtFull Sequence.


The Evolution of Names: From Patronymics to Surnames

The Evolution of Names: From Patronymics to Surnames

Learn about the types of patronymic systems and explore why patronymics were used in the first place and why standard surnames replaced them.


Unraveling the spiral a celebration of DNA Day

Unraveling the Spiral: A Celebration of DNA Day

What is DNA Day and why is it celebrated? Read the history behind this special day.


What is mtDNA? A deeper look at mitochondrial DNA and the impact on DNA testing

What is mtDNA?

What can you learn from the DNA found in the mitochondria? Read part one from a five part series on mtDNA.


What is Autosomal DNA? The key role that autosomes play in DNA testing.

What is Autosomal 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.


Using Y-DNA to Discover the Scottish Connection Between Two Lineages - Group Project Administrator Series

Using Y-DNA to Discover the Scottish Connection Between Two Lineages

Susan Hedeen and Tim Duncan explain how Big Y-700 testing, a coordinated outreach effort, and several trips to Scotland helped them discover the origin of two Scottish lineages.


Tracing Enslaved Ancestors with African DNA - FamilyTreeDNA Blog

Tracing Enslaved Ancestors with African DNA

Darius Brown, author of “At the Feet of the Elders: A Journey into a Lowcountry Family History” gives a glimpse into how DNA testing catalyzed his family history research and connected him from South Carolina to Africa.


Understanding Surname Spelling Variations On Your Family Line - FamilyTreeDNA Blog

Understanding Surname Spelling Variations on Your Family Line

Explore our analysis on surname spelling variations, revealing the historical factors that triggered these changes, providing valuable insights to use in your genealogy research.