The purpose of the Gallia County Genealogical Society, OGS Chapter, Inc. is to promote interest in genealogical study and research and to take an active part in collecting and preserving records of interest to Gallia County, making them available for genealogical research. The society encourages active membership in the local and state societies by publishing genealogical material relating to Ohio, particularly Gallia County. The information is compiled by members and used to encourage members to join their lineage societies thereby honoring and documenting their ancestors. The society hosts several book signings for local authors and has various items for sale pertaining to genealogical research and Gallia County.