Consists of the counties of Bureau, Champaign, Dewitt, Fulton, Hancock, Henderson, Henry, Knox, LaSalle, Livingston, Logan, Marshall, Mason, McDonough, McLean, Mercer, Peoria, Piatt, Putnam, Rock Island, Schuyler, Stark, Tazewell, Vermilion, Warren, and Woodford. Founded on 12 February 1875. Suffragan of the archdiocese of Chicago. See alsoNew Catholic Dictionary
