Noun: Pope Pius IX
- Italian pope from 1846 to 1878 who in 1854 declared the dogma of the Immaculate Conception of the Virgin Mary
- Pius IX, Giovanni Mastai-Ferretti, Giovanni Maria Mastai-Ferretti
Type of: Bishop of Rome, Catholic Pope, Holy Father, pontiff, pope, Roman Catholic Pope, Vicar of Christ
Encyclopedia: Pope Pius IX