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The Jewish Genealogical Society (JGS) of Colorado is a leader in education, research, information exchange forums, and resources for Jewish genealogy.

Founded in 1995 by Miriam Ohr (z''l) and Sandra Greenberg, and as part of a network of 70 societies worldwide within the International Association of Jewish Genealogical Societies (IAJGS), the Society is a nonprofit and run 100% by volunteers. 

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Are you interested in researching Jewish family history and looking for a local network of experts and enthusiasts?


We’re here to help by providing programs, support, and guidance to find and use resources located in Colorado and throughout the world. Please take a look through our website.

We encourage all levels of research from beginner to advanced to participate and share their knowledge. Take a look at the How to Get Started page where you’ll find useful information for all levels of research, and check out upcoming programs. Guests are always welcome. We meet once a month on Zoom on Sunday mornings. To help folks with their research questions, we start at 9:30 am and the guest speaker starts at 10 am, (Mountain Time) from September through June.

JGSCO is a nonprofit organization run entirely by volunteers. Annual dues of $30 per individual or $40 per household support the administration of the group including speaker and venue fees, website, and operations. Join here.

Join us at our next event

Conversos in the American Southwest: Resources, research, DNA and genetics”


Rabbi J. Gendra-Molina Ph.D., M.H. L, 

Schelly Talalay Dardashti

 Maria Apodaca

Sunday February 19, 2023

Program 10 AM to 12 PM Mountain Time

9:30 AM to 10 AM Schmear, Schmooze, and Share


Bio:  Rabbi Jordan Gendra Molina, Ph.D., is the first Spanish-born (Barcelona) rabbi ordained since the Inquisition and comes from a converso background. A genealogist, archivist, and Road Scholar speaker, hewas ordained at the Reconstructionist Rabbinical College (Philadelphia, Pennsylvania), holds a Ph.D. in Medieval Jewish History (Universitat de Girona), and a master’s degree in Linguistics and Semitic Languages (Universitat de Barcelona). He speaks over 15 languages, including Spanish, Portuguese, Catalan, English, Hebrew, French, Romanian and others. He was rabbi of Temple Beth Shalom (Mechanicsburg, Pennsylvania), Congregation B’nai Tikvah-Beth Israel (Sewell, New Jersey), and taught at Wilson College and the Reconstructionist Rabbinical College. His academic publications focus primarily on medieval Spanish Judaism and include “Les Responsa de Rabbi Simo ben Tsemakh Duran” [The Responsa of R. Simon B. Tsmakh Duran] (Lleonard Muntaner, 2001).

Schelly Talalay Dardashti will present a deeper look into Jewish ethnicity as seen through historical events, migrations, DNA and genetic evidence covering the post-1391 and post-1492 migrations from today’s Spain and Portugal, around the Mediterranean, the Balkans, North Africa, and  the New World.

Bio: Schelly Talalay Dardashti, MyHeritage's US Genealogy Advisor, was the Jerusalem Post Jewish genealogy columnist (“It’s All Relative,” 1999-2005), an award-winning blog creator (Tracing the Tribe – The Jewish Genealogy Blog), and founded "Tracing the Tribe - Jewish Genealogy on Facebook" with nearly 60,000 members in 101+ countries.

Her articles have appeared in Avotaynu, NGS Quarterly, The Forward, and Hadassah, among others. Affiliations: co-admin, IberianAshkenaz DNA Project, FTDNA; board member, Society for Crypto- Judaic Studies; founding member, Sephardic Heritage Institute NM; and a Persian community liason, Avotaynu Jewish Heritage DNA Project.

Maria Apodaca will offer her compelling personal story: “My Journey: It Only Took 500 Years,” covering her family’s history, genealogy, DNA, and her return to Judaism. She will demonstrate her genealogical research, the Converso history of northern New Mexico, traditions and customs preserved in families since 1598.

Bio:Maria Apodaca’s Jewish family was forcibly converted to Catholicism in Iberia during the Inquisition and arrived in today's Nuevo Mexico in 1598. Maria is the first person in her family to return to Judaism. Affiliations: board member, Society for Crypto-Judaic Studies; board member, JGS of New Mexico; founding member, Sephardic Heritage Institute NM; speaker, Road Scholar.

Members: no charge

Non Members $5


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Need Help Getting Started?

The Jewish Genealogy Society of Colorado offers a Q & A session during monthly meetings.  Come 30 minutes early where we discuss and offer suggestions to your genealogy questions. We have found this is a great way to help enthusiats work through their 'brick walls.' 

Some of our members may also offer private research services. Fees and type of research should be negotiated individually. Results may vary and are not guaranteed, nor does the JGS of Colorado recommend or sponsor any individual researcher.


The Jewish Genealogical Society (JGS) of Colorado is a leader in education, research, information exchange forums, and resources for Jewish genealogy.

Mailing Address

Jewish Genealogical Society of Colorado
P.O. Box 460442
Denver, Colorado 80246


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JGSCO is a 501(c)3 non-profit organization.