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Leah Larkin, PhD

The DNA Geek

Leah Larkin earned a PhD from The University of Texas in Austin for research using DNA to study species relationships. Adapting that scientific skill set to genetic genealogy has become a passion. She focuses on general education in the field, new methods for unknown parentage searches and—as a Louisiana Cajun—best practices for working with endogamous groups. She is an editor emeritus of the Journal of Genetic Genealogy and blogs at