Tags: Christian Bishop.
William Patrick Callahan OFM Conv DD (born June 17 1950) is an American prelate of the Roman Catholic Church. On Friday June 11 2010 he was named Bishop of the Roman Catholic Diocese of La Crosse by Pope Benedict XVI succeeding Jerome Edward Listecki who had become Milwaukee’s Archbishop.Bishop Callahan had previously served as Auxiliary Bishop of the Archdiocese of Milwaukee.
