Ives, Levi Silliman - Born at Meriden, Connecticut, U.S.A., 16 September, 1797; d. at New York, 13 October, 1867. He was one of the most distinguished converts to the Church made in the United States through the influence of the Tractarian Movement of 1848-49. - http://www.newadvent.org/cathen/08256c.htm
Ivo of Chartres, Saint - Essay on the life and writings of this bishop, who died in 1116. - http://www.newadvent.org/cathen/08257a.htm
Ives, Saint - Or St. Yves. Patron saint of lawyers, d. 1303. - http://www.newadvent.org/cathen/08256b.htm
Ibar, Saint - Irishman, contemporary of St. Patrick, and was a missionary in County Wexford before Patrick set foot in Ireland. Uncle of St. Abban. - http://www.newadvent.org/cathen/07613b.htm
Ignatius Loyola, Saint - Biography of the Spanish founder of the Jesuits, who died in 1556. - http://www.newadvent.org/cathen/07639c.htm
Ita, Saint - The "Brigid of Munster," d. 570. - http://www.newadvent.org/cathen/08201c.htm
Isidore the Labourer, Saint - Spanish day laborer, married to St. María de la Cabeza. He died in 1130. - http://www.newadvent.org/cathen/08189a.htm
Isidore of Seville, Saint - Biographical entry for this bishop, who died in 636. - http://www.newadvent.org/cathen/08186a.htm
Isidore of Pelusium, Saint - Born at Alexandria, became a monk, opposed Nestorianism and Eutychianism, d. no later than 449-450. - http://www.newadvent.org/cathen/08185c.htm
Isabel of France, Saint - Daughter of Blanche of Castille and sister of St. Louis IX. Founded a convent of Poor Clares. Died 1270. - http://www.newadvent.org/cathen/08179a.htm
Isaac Jogues, Saint - French Jesuit missionary to Canada, martyred in 1646. - http://www.newadvent.org/cathen/08420b.htm
Irenaeus, Saint - Article on the bishop of Lyons, Father of the Church, d. late second or early third century. - http://www.newadvent.org/cathen/08130b.htm
Innocent I, Pope Saint - Unanimously chosen to succeed Anastasius. Essay on his writings and some of the more notable events of his pontificate. Innocent died in 417. - http://www.newadvent.org/cathen/08011a.htm
Itinerarium - A form of prayer used by monks and clerics before setting out on a journey, and for that reason usually printed at the end of the Breviary, where it can be conveniently found when required. - http://www.newadvent.org/cathen/08255a.htm
Itineraria - Under this term are comprised two kinds of works: travellers' relations describing the places and countries visited by them, together with such incidents of the voyage as are worth noting; and compilations intended to furnish information for the guidance - http://www.newadvent.org/cathen/08254a.htm
Italy - In ancient times Italy had several other names: it was called Saturnia, in honour of Saturn; Enotria, wine-producing land; Ausonia, land of the Ausonians; Hesperia, land to the west (of Greece); Tyrrhenia, etc. The name Italy, which seems to have been tak - http://www.newadvent.org/cathen/08208a.htm
Italo-Greeks - The name applied to the Greeks in Italy who observe the Byzantine Rite. - http://www.newadvent.org/cathen/08206a.htm
Italian Literature - The modern language of Italy is naturally derived from Latin, a continuation and development of the Latin actually spoken among the inhabitants of the peninsula after the downfall of the Roman Empire. - http://www.newadvent.org/cathen/08245a.htm
Isernia and Venafro - Diocese in the province of Campobasso in Molise (Southern Italy). - http://www.newadvent.org/cathen/08185b.htm
Ischia - Diocese, suffragan to Naples. - http://www.newadvent.org/cathen/08185a.htm
Isaura - Titular see in the Province of Lycaonia, suffragan of Iconium. - http://www.newadvent.org/cathen/08184a.htm
Irremovability - A quality of certain ecclesiastical offices and dignities. It implies that the incumbent's appointment is, under certain conditions, a perpetual one, or for the term of his natural life. - http://www.newadvent.org/cathen/08173a.htm
Irregularity - A canonical impediment directly impeding the reception of tonsure and Holy orders or preventing the exercise of orders already received. - http://www.newadvent.org/cathen/08170a.htm
Institutes, Roman Historical - Collegiate bodies established at Rome by ecclesiastical or civil authority for the purpose of historical research, notably in the Vatican archives. - http://www.newadvent.org/cathen/08061a.htm
Institute of the Brothers of the Christian Schools - A society of male religious approved by the Church, but not taking Holy orders, and having for its object the personal sanctification of its members and the Christian education of youth, especially of the children of artisans and the poor. - http://www.newadvent.org/cathen/08056a.htm
Incorporation of Church Property, Civil - Christianity at its very beginning, found the concept of the corporation well developed under Roman law and widely and variously organized in Roman society. It was a concept that the early Christians soon adapted to their organization and, as a means of p - http://www.newadvent.org/cathen/07719b.htm
Impostors - That there would be hypocrites who would take advantage of a profession of piety to mask their own evil designs had been clearly foretold by Christ in the Gospels. - http://www.newadvent.org/cathen/07698b.htm
Ippolito Galantini, Blessed - Founder of the Christian Congregation of Florence, d. 1619. - http://www.newadvent.org/cathen/08097b.htm
Impediments, Canonical - Canon law uses the word impediment in its restricted and technical sense, only in reference to marriage, while impediments to Holy orders are spoken of as irregularities. - http://www.newadvent.org/cathen/07695a.htm
Impanation - An heretical doctrine according to which Christ is in the Eucharist through His human body substantially united with the substances of bread and wine, and thus is really present as God, made bread. - http://www.newadvent.org/cathen/07694a.htm
Immanence - Latin, in manere, to remain in. The quality of any action which begins and ends within the agent. - http://www.newadvent.org/cathen/07682a.htm
Illinois - One of the United States of America, bounded on the north by Wisconsin, on the west by the Mississippi, which separates it from Iowa and Missouri, on the south by the confluent waters of the Mississippi and the Ohio, which separate it from Kentucky, on th - http://www.newadvent.org/cathen/07653a.htm
Illegitimacy - As generally defined, and as understood in this article, illegitimacy denotes the condition of children born out of wedlock. - http://www.newadvent.org/cathen/07650a.htm
Idiota - The nom de plume of an ancient, learned, and pious writer whose identity remained unknown for some centuries. - http://www.newadvent.org/cathen/07635a.htm
Idea - The word was originally Greek, but passed without change into Latin. It seems first to have meant form, shape, or appearance, whence, by an easy transition, it acquired the connotation of nature, or kind. - http://www.newadvent.org/cathen/07630a.htm
Iconium - A titular see of Lycaonia. - http://www.newadvent.org/cathen/07619a.htm
Iceland - The island called Iceland, is considered, because of its population and history as forming a part of Europe, is situated in the North Atlantic Ocean. - http://www.newadvent.org/cathen/07615b.htm
Ibora - A titular see in the Province of Helenopont, suffragan of Amasia. - http://www.newadvent.org/cathen/07615a.htm
Iberville, Pierre Le Moyne, Sieur d' - Founder of the colony of Louisiana, b. at Villemarie, Montreal, 16 July, 1661; d. at Havana, 9 July, 1706. - http://www.newadvent.org/cathen/07614b.htm
Ibas - Elected Bishop of Edessa in 439 as successor of Rabbulas, one of the most ardent supporters of St. Cyril; d. 457. - http://www.newadvent.org/cathen/07614a.htm
Isla, José Francisco de - Spanish preacher and satirist, b. at Villavidantes (Kingdom of Leon), 24 March, 1703; d. at Bologna, 2 November, 1782. - http://www.newadvent.org/cathen/08189c.htm
In Coena Domini - A papal Bull, so called from the feast on which it was annually published in Rome, viz, the feast of the Lord's Supper, or Maundy Thursday. - http://www.newadvent.org/cathen/07717c.htm
Isaac - The son of Abraham and Sara. - http://www.newadvent.org/cathen/08175a.htm
Issus - Titular see of Cilicia Prima. - http://www.newadvent.org/cathen/08201b.htm
Ingulf - Abbot of Croyland, Lincolnshire; d. there 17 December 1109. - http://www.newadvent.org/cathen/08010a.htm
Isaias - Essay on the Biblical prophet and the book which bears his name. - http://www.newadvent.org/cathen/08179b.htm
Ipsus - A titular see of Phrygia Salutaris, suffragan of Synnada. - http://www.newadvent.org/cathen/08098a.htm
Introit - The Introit (Introitus) of the Mass is the fragment of a psalm with its antiphon sung while the celebrant and ministers enter the church and approach the altar. - http://www.newadvent.org/cathen/08081a.htm
Innocent V, Pope Blessed - French Dominican, known as "most famous doctor," d. 1276. - http://www.newadvent.org/cathen/08018a.htm
Isionda - A titular see in the province of Pamphylia Secunda; it was a suffragan of Perge. - http://www.newadvent.org/cathen/08189b.htm
Irnerius - An Italian jurist and founder of the School of Glossators, b. at Bologna about 1050; d. there about 1130. - http://www.newadvent.org/cathen/08168a.htm
Interims - Temporary settlements in matters of religion, entered into by Emperor Charles V (1519-56) with the Protestants. - http://www.newadvent.org/cathen/08077b.htm
Iroquois - A noted confederacy of five, and afterwards six, cognate tribes of Iroquoian stock, and closely cognate languages, formerly occupying central New York, and claiming right of conquest over nearly all the tribes from Hudson Bay to Tennessee River, and westw - http://www.newadvent.org/cathen/08168b.htm
Irenopolis - A titular see of Isauria, suffragan of Seleucia. - http://www.newadvent.org/cathen/08131b.htm
Irene, Sister - Catherine FitzGibbon, born in London, England, 12 May, 1823; died in New York, 14 August, 1896. - http://www.newadvent.org/cathen/08131a.htm
Isleta Pueblo - The name of two pueblos of the ancient Tigua tribe, of remote Shoshoncan stock. - http://www.newadvent.org/cathen/08191a.htm
Iona, School of - Thorough history of the ancient monastery. - http://www.newadvent.org/cathen/08090a.htm
Indo-China - The most easterly of the three great peninsulas of Southern Asia, is bounded on the north by the mountains of Assam, the Plateau of Yun-nan, and the mountains of Kwang-si; on the east by the province of Kwang-si (Canton), the Gulf of Tong-king, and the Se - http://www.newadvent.org/cathen/07765a.htm
Infallibility - In general, exemption or immunity from liability to error or failure; in particular in theological usage, the supernatural prerogative by which the Church of Christ is, by a special Divine assistance, preserved from liability to error in her definitive do - http://www.newadvent.org/cathen/07790a.htm
Innocent X, Pope - Reigned 1644-1655. - http://www.newadvent.org/cathen/08020b.htm
Isaac of Armenia - Catholicos or Patriarch of Armenia (338-439). - http://www.newadvent.org/cathen/08175b.htm
India - The peninsula is separated on the north from Tibet and Central Asia by the Himalaya, Hindu Kush, and Karakoram mountains, and some lower ranges divide it from Afghanistan and Baluchistan. - http://www.newadvent.org/cathen/07722a.htm
Innocent XIII, Pope - Reigned 1721-24. - http://www.newadvent.org/cathen/08023a.htm
Ionian Islands - A group of seven islands and a number of islets scattered over the Ionian Sea to the west of Greece. - http://www.newadvent.org/cathen/08091a.htm
Ibagué - Suffragan of Bogotá, in the Republic of Colombia, South America. - http://www.newadvent.org/cathen/07613a.htm
Intuition - A psychological and philosophical term which designates the process of immediate apprehension or perception of an actual fact, being, or relation between two terms and its results. - http://www.newadvent.org/cathen/08082b.htm
Iriarte, Ignacio de - Painter, b. at Azcoitia, Guipuzcoa, in 1620; d. at Seville, 1685. - http://www.newadvent.org/cathen/08132a.htm
Ite Missa Est - This is the versicle chanted in the Roman Rite by the deacon at the end of Mass, after the Post-Communions. - http://www.newadvent.org/cathen/08253a.htm
Irvingites - A religious sect called after Edward Irving (1792-1834), a deposed Presbyterian minister. - http://www.newadvent.org/cathen/08174a.htm
Isabella I - Queen of Castile. (1451-1504) - http://www.newadvent.org/cathen/08177a.htm
Illtyd, Saint - Also known as Iltutus. Late fifth- to early sixth-century Welsh saint. Biographical article. - http://www.newadvent.org/cathen/07661a.htm
Infralapsarians - The name given to a party of Dutch Calvinists in the seventeenth century, who sought to mitigate the rigour of Calvin's doctrine concerning absolute predestination. - http://www.newadvent.org/cathen/08007a.htm
Intercession - To go or come between two parties, to plead before one of them on behalf of the other. - http://www.newadvent.org/cathen/08070a.htm
Immaculate Conception - In the Constitution Ineffabilis Deus of 8 December, 1854, Pius IX pronounced and defined that the Blessed Virgin Mary "in the first instance of her conception, by a singular privilege and grace granted by God, in view of the merits of Jesus Christ, t - http://www.newadvent.org/cathen/07674d.htm
Investiture, Canonical - The act by which a suzerain granted a fief to his vassal, and the ceremonies which accompanied that grant. - http://www.newadvent.org/cathen/08084b.htm
Introduction, Biblical - Designates the part of Scriptural science which is concerned with topics preliminary to the detailed study and correct exposition of Holy Writ, and also, it is given to a work in which these various topics are actually treated. - http://www.newadvent.org/cathen/08078b.htm
Intrusion - The act by which unlawful possession of an ecclesiastical benefice is taken. - http://www.newadvent.org/cathen/08082a.htm
Interdict - Originally in Roman law, an interlocutory edict of the praetor, especially in matter affecting the right of possession; it still preserves this meaning in both Roman and canon law. - http://www.newadvent.org/cathen/08073a.htm