Currently accepting clients for...

• DNA
• Family History Research
• Other Speciality

Email: gengenres@gmail.com
Website: https://gengenres.com/

Mary Henderson specializes in applying DNA testing, in conjunction with traditional document-based genealogy, to identify unknown parents and ancestors, to extend back your family tree, to solve genealogy brick walls, to prove or disprove your genealogy paper trail and to fill in unknown family lines, especially for adoptees. 

Mary has over 45 years of experience with traditional genealogy and over 12 years of experience with genetic genealogy. 

Mary is proficient in interpreting autosomal DNA results, Y-DNA results and mitochondrial DNA results.

Genetic genealogy requires the ability to research anywhere in the world and Mary has extensive experience with international genealogy research. Special areas of interest include identifying the biological parents of adoptees, solving family tree brick walls, Y-DNA analysis, Eastern European genealogy and Jewish genetic genealogy, 

Geographic Specialities
United States
Canada
United Kingdom
England
Wales
Scotland
Ireland
Poland
Germany
France
Eastern Europe

Testimonials
"I cannot overstate how impressed I am with the detail of your research." Robert B.
"Wow, I can't thank you enough for your help. Very thorough job." Patrick S.
"I am in awe of how you find this because I hit walls and you seem to know how to climb them. I can't say thank you enough." Jeremiah H.

Additional specialities or search keywords
genetic genealogy DNA adoptee unknown parentage brick wall family tree research Y-DNA Jewish

Lectures
Introduction to Genetic Genealogy

Identifying & Resolving Discrepancies In Your Family Tree Using DNA Testing

But How Closely Related Are We? Addressing Jewish Endogamy

Genealogy Resources Through Your Public Library

Hands-On Genealogy Workshop for Beginners

Using Third Party Tools to Analyze Your DNA Test Results

Mirror Trees - What They Are and How to Use Them

Building Family Trees in Ancestry.com - Tips and Tricks

Using Cluster Analysis of Your DNA Matches

Research Time Periods

• 21st Century
• 20th Century
• 19th Century
• 18th Century

Languages
English
French (basic)
Spanish (basic)
German (basic)
 

Honorifics/Credentials
Introduction to Forensic Genealogy course - TIGR - 2023
Beyond the Fundamentals - Hands-On Forensic Genealogy - GRIP - 2023

Certificates
Introduction to Forensic Genealogy course - TIGR - 2023
Beyond Fundamentals: Hands-on Forensic Genealogy - GRIP - 2023

Affiliations
Association of Professional Genealogists
National Genealogical Society
JewishGen
Polish Genealogical Society of Connecticut 
Genealogical Society of Washtenaw County
Association of Professional Genealogists

Degrees
Master's Degree