Welcome to the official site of The Mercer County Chapter Of The Ohio Genealogical Society (also known as MCCOGS). We are a group of volunteers dedicated to helping the general public regarding historical and genealogical information from Mercer County, Ohio.

Please peruse our pages and look through our information. Also, remember to return often for the latest updates on news and events.

All correspondence with the Chapter should be sent to the address below. Please include a self addressed, stamped envelope with your inquiry and we will respond as soon as possible.



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