Welcome to the Czechoslovak Genealogical Society International (CGSI)! Our purposes include promoting genealogical research and creating an interest in ancestry and heritage among descendants of ethnic groups who comprised the former nation of Czechoslovakia, including Bohemian (Czech), German-Bohemian (Bohmisch), Hungarian, Moravian, Ruthenian (Rusyn), Silesian, Slovakian, and those of Jewish ancestry.
Vítáme Vás! (We welcome you!)
Your CGSI membership gives you the best tools for genealogical research:
- Nase rodina quarterly
- Research assistance
- Message board and queries
- Access to Members Only section – includes 4 databases
- See more about these tools!
Membership starts at $35 per year. Three ways to join or renew:
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.
Then, download directions & an application form.
In the Store
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.