Website: www.jerseyville-il.us. Jerseyville is a city in Jersey County, Illinois, United States. As of the 2010 U.S. census, the city had a total population of 8,465. It is the county seat of Jersey County, and is the largest city in the county.
well-known. adj. 1. Widely known; familiar or famous: a well-known performer. 2. Fully known: well-known facts.
late 14c., from Anglo-French famous, Old French fameus (Modern French fameux), from Latin famosus much talked of, renowned, often infamous, notorious, of ill repute, from fama (see fame (n.)). A native word for this was Old English namcuÃ°, literally name-known.