We are the McDonough County Genealogical Society located in Macomb, Illinois.  We meet the 3rd Monday of each month at 6:00 pm at 201 South Lafayette (Western Illinois Museum).  We have a program of genealogy interest before our business meeting.  The public is always welcome.  Check our event calendar for specifics.

Our Center is open 3 days a week — Tuesday afternoon, Friday all day, and Saturday morning.  Our center is staffed with volunteers who will gladly help you learn more about your ancestors and how to document their lives.

DUE TO CONCERNS ABOUT COVID19, the center WILL BE CLOSED until Friday, April 3rd.

The March Monthly meeting scheduled for Monday, March 16 has been postponed to a future date. Stay tuned!

Check our announcements page for the latest news and updates.

Research Request FormResearch Request

We are a Family Search Affiliate Library.

We are members of:


Illinois State Genealogical Society                 Federation of Genealogical Societies


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Support us using Amazon Smile.  When you make an Amazon purchase through this link a portion will be donated back to the MCGS.   Amazon Smile Program

Does your employer offer a matching gifts program?

  • Companies offer such programs to encourage employees to contribute to charitable organizations.
  • Some provide matching funds to support employee volunteer hours.
  • Most programs match contributions dollar for dollar; some will even double or triple the amount of your gift!
  • Does your company offer a matching gift program that will match your gift or volunteer hours to the McDonough County Genealogical Society?
  • Thank you to Pella Corporation and Caterpillar Corporation for their employee matching programs.