BARRINGTON, COOK COUNTY, IL VITAL INFORMATION Use the search window below to keyword search the Barrington, Cook County Vitals Index located at website http://www.barringtonarealibrary.org/Local_Information/BCR/indexes.htm: First Name: Last Name: Go to SurnameSearchUtility.com FamGen.net Check out the newest additions to Ancestry.com data! (Hint: Right click on an item and open in a new window)