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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.

What's Here

History of Slovaks in America
This 411 page hardbound book was originally published in the Slovak language in two volumes in 1942. Most of the original photos from the book have been reproduced in this English edition, along with rare additional photos of the author and the 1935-36 Matica Slovenska delegation, which he accompanied to America to conduct research for this book. Read the comments from one reader of this book on Slovak History. Click here for a detailed description on the book


History of Slovaks

Members Only Area

Available to members only, this section includes:

  • Queries - Post a research query or respond to the queries of others.
  • Research Message Board - As a member, you are free to both read and post messages. Use the message board to get research help or discuss any genealogical topic.
  • Membership Renewal - Members can renew their membership on-line.
  • CGSI Lending Library - Members may now borrow selected books from the CGSI library collection.
More features coming for members in the next few months. Keep checking back here.
  • Surname Indices (of CGSI members) Online
  • Leo Baca's Czech Immigration Passenger Lists Online
If you're not a CGSI Member yet, you can sign up online!

Research Help and Resources
If you want to start researching your family tree, you've come to the right place. Click here to get started.


History of Czechs in America
This valuable resource book was written by Dr. Jan Habenicht of Chicago and published by the Hlas Publishing company of St. Louis in 1910. The research of Dr. Habenicht included extensive travel across the entire United States and writing thousands of letters. It was translated into English by Miroslav Koudelka, a member of CGSI, and... click here for more. An index listing all surnames in History of Czechs in America was added as a feature to the English edition.


Become a CGSI Member: Help both yourself and others by joining our society! Build on the vast knowledge of our many members, get our quarterly and access our research collection. Get help locating long lost relatives both locally or in our ancestral area, family certificates and much more!

What's New

Bohemian National Cemetery - IL
 5/4/2008

CGSI celebrates its 20th Anniversary
 4/26/2008

Special Edition of Nase rodina for sale
 4/11/2008

News from the Czech Republic
 2/25/2008