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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. 

Learn More...

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

  • Indexing project 

Monday November 27 2023 10 AM to 3 PM

Main Library at Anderson Academic Commons 2150 East Evans Avenue, Denver, CO 80208 Beck Archives, Lower Level

Join the Jewish Geneolgy Society of Colorado members and friends at University of Denver once or twice a month between October and May as we complete the JCRS patient application index that was started over 20 years ago! All files are now available and an expanded names index with 2,000 additional patient names through 1954 will be placed on JewishGen this month. But, additional data remains to be keyed.

To register go to 

 Researching Your Lithuanian Roots

With Barry Halpern 

Sunday December 17th 2023 

Program 10 AM to 12 PM Mountain Time

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


There are several primary sources for Litvak genealogy research.  LitvakSIG is the primary source with more than 2.5 million Lithuanian  Jewish record translations freely available.  Barry Halpern will offeran overview of the LitvakSIG (Special Interest Group) database andwebsite including the "All Lithuania Database", as well as otherimportant sources. The presentation will detail the best ways to use Litvak databases to achieve optimum results and to enhance yourknowledge of your Litvak family information. It will also include tipsfor determining what records are available, for understanding searchresults, and for accessing information in search results. Thepresentation will also cover other resources such as JewishGen, the USHolocaust Memorial Museum, MyHeritage, etc.

Barry Halpern first began seriously researching his family's genealogy
when he retired to Boulder, Colorado in 2008.  With his four Litvak
grandparents and his Lithuanian born father, he became heavily
involved with the JGSCO and with LitvakSIG.  He has served on the
board of LitvakSIG's as well as the JGSCO and currently runs the
LitvakSIG website.  For the JGSCO, he produced the monthly newsletter
for about 10 years.  Barry has written two books about his parents,
the first being "The Three Lives of my Father", published in 2011;
more recently Barry published a biography of his mother:  "Minnie:
Stories of My Mother's Life".  Barry and his wife Ellie live full-time
in Sarasota, Florida, but both were born and raised in the Boston
area, have  moved dozens of times from state to state and country to
country.  Their three children and four grandchildren all live in the
Colorado in the Boulder-Denver area.

All members and Guests must register!

Members Free

Guests $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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© 2023 Jewish Genealogical Society of Colorado

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