Vitame Vas! (We welcome you!)

Welcome to the Czechoslovak Genealogical Society International (CGSI). Our purpose is to promote Czechoslovak genealogical research and interest among people with ancestry in the Czechoslovak region as it was in 1918, including families of Czech, Bohemian, Moravian, Slovak, German, Hungarian, Jewish, Rusyn, and Silesian origin.

Join CGSI

Your CGSI membership gives you the best tools for genealogical research:

  • Nase rodina quarterly
  • Research assistance
  • Message board and queries
  • Lending Library
  • Searchable databases
  • See more about these tools!

Membership starts at $25 per year. Three ways to join or renew:

Family Certificates

If you are a descendant of immigrants from Czechoslovakia, consider gifting yourself with a Family Certificate.

Did your ancestors come to North America….

  • before 1871? Apply for a Pioneer Family Certificate.
  • more than 100 years ago? Apply for a Century Family Certificate.

Learn more about it.

Then, download directions & an application form.

In the Store

History of Slovaks in America

Historian Konstantin Culen paints
a vivid portrait of early Slovaks
in America. This book provides
an indispensable picture for
understanding the foundations
of early Slovak life in America.

411 page hardbound book.

See our CGSI Store for cost

Nase rodina

A quarterly publication for CGSI members

Nase rodina (Our Family) is published quarterly by the Czechoslovak Genealogical Society International (CGSI). This publication brings you themed issues on genealogy topics.

Questions? Feedback? E-Mail us at info@cgsi.org or call (651) 964-2322 to record a question or to record a message.
© 1996 – 2009 CGSI, Inc.