The Chicago Genealogical Society collects and preserves records of people who lived in Chicago, Illinois. It was founded in 1967 and anyone is welcome to join the society.



Free Online Collections






Membership-only Online Collections

  • Chicago Newspapers, 1833-1848
  • Members’ Surname Database




Membership Costs and Benefits

Membership dues are $25/person per year in the US; $30/family/year; or $250/person/lifetime membership. Benefits include:

  • Four issues of the CGS Quarterly, The Chicago Genealogist
  • Eleven monthly newsletters
  • 10% discount on publications
  • Free queries in the CGS Quarterly
  • Free lookups in CGS publications
  • Ancestor Certificates – for direct descendants of early residents of Chicago or Cook County
  • CGS Blog
  • CGS Upcoming Events



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