Title

Vítáme Vás! (We welcome you!)

Research and connect with families from the Czech and Slovak ancestral lands.

CGSI focuses on the areas of present-day Czech Republic and Slovakia. This includes Czech (Bohemian), German-Bohemian (Böhmisch), Hungarian, Jewish, Moravian, Rusyn (Ruthenian), Silesian, and Slovak ancestry.

CGSI has over 2,000 members residing in the United States, Canada, Czech Republic, Slovakia, and other countries, providing a vast networking opportunity to learn and share information, and connect with fellow members.

prague-charlesbridge
Czechoslovak Genealogical Society International (CGSI) wants to help you research and connect with your family history.

We are dedicated to genealogical research and interest in descendants of ethnic groups with roots from the Czech and Slovak ancestral lands of Central Europe.

Czech and Slovak Republic (Outlines with Maps)
Sections

What Members Say

Brno, Moravia
I credit CGSI for being able to access and decipher the records of my ancestors, as I found such helpful articles in your archives after joining - I will be forever grateful to your organization for that!
Jody D., Kennebunk, Maine, USA

News & Events

Are you interested in expanding your Czech genealogy skills? Beginning in January 2025, CGSI is partnering with Sokol Minnesota to offer the online course "Genealogie; hledáme své předky (Genealogy: Looking for Our Ancestors)" from the…
Saturday, November 23, 2024 at 1:00 – 2:00pm (CDT)
Join us at the 2025 CGSI 20th Genealogical/Cultural Conference! The conference will be held October 28–November 1, 2025, at the DoubleTree by Hilton Hotel Kansas City - Overland Park located outside of Kansas City, Kansas.
Nov
02

Slovak Fest – St. Lucas Lutheran Church [festival]

A South City (St. Louis, Missouri) tradition since 1990, Slovak Fest packs in a lively crowd with great food and pastries from the old country. Slovak Fest will be here before you know it! Food! Pastries! Pivo! Music!
Nov
02

CGSI Czech & Slovak Research Discussion Group (online event)

The next CGSI Czech & Slovak Research Discussion Group meets (virtually) online to share resources and discoveries among members. Moderated by CGSI Education Chair Iveta Blahútová. Please join us!
Nov
02

Czech Center Museum Houston (CCMH) - Documentary Screening "Film Adventurer Karel Zeman" [program]

Join us for a special screening of Film Adventurer Karel Zeman. This biographical documentary delves into the life and legacy of one of the most celebrated Czech filmmakers in history.
Banner
slovakia_tatry_2