sentences:  On November 29, 1947, Keough was named by Pope Pius XII to succeed Michael Joseph Curley as the eleventh Archbishop of Baltimore, Maryland.He was formally installed in the Basilica of the Assumption on February 24, 1948.During the fourteen years of his administration, the Catholic population of the archdiocese, the first Catholic see in the United States, grew from 265,000 to 400,000.