Catherine B. Wiest Desmarais, CG®

ProGen Member Overview

Owner, Stone House Historical Research, 2008 – present
Specializing in kinship determination for the legal community and the U.S. military. Thousands of hours billable forensic experience in United States and International research. Accepted as an expert witness in New York County Surrogate’s Court.

Military Repatriation Genealogical Case Worker, 2012 – present
Department of Defense qualified genealogist, locating next of kin and eligible family DNA donors for servicemen missing from Korea and World War II with the Defense POW/MIA Accounting Agency.


Master’s Degree, Education, University of Vermont. Graduated Summa Cum Laude, 4.0/4.0 GPA. Earned 33 additional graduate credits in education after completion of this degree, maintaining 4.0/4.0. Extensive ongoing continuing education at genealogical institutes, both as an instructor and a student.


Vice-President, Association for Professional Genealogists (APG), 2014 – 2017
APG is an international organization dedicated to supporting those engaged in the business of genealogy through advocacy, collaboration, education, and the promotion of high ethical standards.
Member, Association for Professional Genealogists (APG), APG New England Chapter, APG Forensic Genealogy Special Interest Group (program committee); Board for Certification of Genealogists (BCG) DNA committee 2019-present; National Genealogical Society.

Publications & BLOGs

Desmarais, Catherine Becker Wiest. “A Complex International Probate Case,” companion piece to Michael R. Ramage, “Self-Authenticating Evidence: Rules You Need to Know.” Association of Professional Genealogists Quarterly, December 2019, 13-14.

Desmarais, Catherine Becker Wiest. “Hazen P. Day of Baltimore, Maryland, and Burlington, Vermont: His Neighbors Bring Him Home.” National Genealogical Society Quarterly, September 2017.

Desmarais, Catherine Becker Wiest and Noreen Alexander Manzella. "Who Fathered Jacob and William Northamer? Pennsylvania Tax Records Help Determine Kinship." National Genealogical Society Quarterly 100 (June 2012):123-32.

Desmarais, Catherine Becker Wiest. "Restoring the Identity of Elisabeth Bair of Lancaster, Pennsylvania: Was She a Northamer or a Wetsler, and Who Were Her Parents?," Crossroads 7 (Spring 2012): 6-15.