Catholic Trivia
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146 free Catholic trivia questions with answers — history quiz, new questions added Oct 2026.
15 free Catholic trivia questions with answers. Catholic trivia lives in two places on BrainPickle. This page is the shorter set; the main quiz is Catholic Church trivia, with our deepest question pool on the topic and a source behind every answer.
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Q 01How many sacraments does the Catholic Church recognise?
Seven
Seven became the settled count only in the 12th century, when Peter Lombard listed them in his theology textbook, the Sentences; earlier writers had not agreed on how many sacraments there were.
Q 02What is the name of the closed assembly in which the College of Cardinals elects a new pope?
Conclave
Conclave comes from the Latin cum clave, 'with a key': Gregory X decreed in 1274 that the cardinal electors be locked away until they had chosen a pope.
Q 03What do cardinals lose the right to do at 80?
Vote for a pope
Vote for a pope: Paul VI ruled in 1970 that cardinals give up their ballot at 80, and he later capped the voters at 120, so the oldest cardinals now sit out papal elections.
Q 04Which church, not St Peter's, is the pope's cathedral as Bishop of Rome?
The Archbasilica of St John Lateran
The Archbasilica of St John Lateran holds the pope's cathedra; popes lived in the palace beside it for about a thousand years before settling at the Vatican.
Q 05Which 'caretaker' pope, elected at 76, called the Second Vatican Council?
John XXIII
John XXIII was 76 when elected in 1958 and widely seen as a stopgap; within three months he announced the council, which opened in 1962 and outlived him, closing under Paul VI in 1965.
Q 06Who painted the Sistine Chapel ceiling between 1508 and 1512?
Michelangelo
Botticelli was among the artists who had painted the chapel's walls in the late 15th century, but the ceiling fresco is Michelangelo's.
Q 07Which Latin Bible, mostly the work of St Jerome, has a name meaning the 'common' version?
The Vulgate
The Vulgate began in 382, when Pope Damasus asked Jerome to revise the conflicting Latin Gospels then in use; its name, from 'editio vulgata', means the common version.
Q 08Which saint, whose 4 October feast day became World Animal Day, is invoked at ceremonies blessing animals?
Francis of Assisi
Francis of Assisi called all creatures his brothers and sisters; early legends have him addressing a flock of birds and urging the people of Gubbio to feed a wolf that had raided their flocks.
Q 09In the Rosary, a 'decade' is ten repetitions of which prayer?
The Hail Mary
The Hail Mary is said ten times in each decade; the full traditional Rosary ran to 150 of them, and the devotion probably grew up as a lay substitute for reciting the 150 Psalms.
Q 10In Western churches, which day marks the start of Lent?
Ash Wednesday
Ash Wednesday opens Lent 46 days before Easter: the fast lasts 40 days, but the six Sundays in between are not counted as fast days.
Q 11Which corps, established in 1506 under Pope Julius II and called 'the world's smallest army', protects the pope?
The Swiss Guard
The Swiss Guard lost 147 of its 189 men on 6 May 1527, holding off the troops sacking Rome so that Clement VII could escape; recruits are still sworn in on that date.
Q 12Who wrote the Summa Theologiae?
Thomas Aquinas
Thomas Aquinas never finished it: on 6 December 1273 he put down his pen after an experience at Mass, reportedly saying that all he had written seemed like straw, and he died three months later.
Q 13Papal infallibility was defined as dogma in 1870 at which gathering?
First Vatican Council
Q 21Which pope stepped down in February 2013, saying he no longer had the strength for the office?
Benedict XVI
Benedict XVI was the first pope to resign since Gregory XII in 1415; he lived on in the Vatican as 'pope emeritus' until his death at the end of 2022.
Q 22What share of cardinal electors' votes is needed to elect a pope?
Two-thirds
Two-thirds of the cardinal electors must agree. John Paul II's 1996 rules let a deadlocked election fall back on a simple majority, but the old requirement was restored in 2007.
Q 23In the Catholic path to sainthood, which step gives a person the title 'Blessed'?
Beatification
Beatification lets a 'Blessed' be honoured only in particular places; it normally needs one verified miracle, though that can be waived for martyrs, and sainthood then requires another.
The First Vatican Council never finished its work: two months after the vote Italian troops occupied Rome, the pope suspended the sessions indefinitely, and the council was never formally dissolved.
Q 14Which doctrine, often confused with the virgin birth, holds that Mary was free of original sin?
The Immaculate Conception
The Immaculate Conception concerns Mary's own conception, not that of Jesus; defined as dogma in 1854, it was the name the lady of Lourdes was reported to give herself four years later.
Q 15The Syro-Malabar Church, which traces itself to the apostle Thomas, is based in which country?
India
India's Kerala coast is its home: the 'Syro' in the name reflects the Syriac language of its liturgy, not Syria, and its Thomas Christians hold that the apostle himself evangelised them.
Q 16Which Italian leader signed the 1929 Lateran Treaty making Vatican City a sovereign state?
Benito Mussolini
Benito Mussolini signed for Italy on 11 February 1929; in return for sovereignty over Vatican City, the papacy at last recognised Italy, with Rome as its capital.
Q 17Between the fall of the Papal States in 1870 and 1929, the pope's unresolved status was known as what?
The Roman Question
The Roman Question began when troops of the new kingdom took Rome in 1870; for 59 years the popes refused to leave the Vatican, calling themselves its prisoners, until the 1929 Lateran Treaty.
Q 18Pope Francis was the first pope from which religious order?
The Jesuits
The Jesuits gained Jorge Bergoglio in 1958: a trained chemical technician, he entered the order after a bout of pneumonia at about 21 cost him part of a lung.
Q 19Pope Leo XIV, elected in 2025, is the first pope born in which country?
United States
The United States had never produced a pope before Chicago-born Robert Prevost; Chicagoans promptly asked whether he backed the Cubs or the White Sox, and he is a lifelong Sox fan.
Q 20John Paul II, the first non-Italian pope in 455 years, was born in which country?
Poland
Poland welcomed him home in June 1979, eight months after his election; the vast crowds on that first visit are credited with helping to inspire the Solidarity movement a year later.
Q 24The rebuilding of St Peter's Basilica from 1506 was partly paid for by selling what, to Martin Luther's fury?
Indulgences
Indulgences were hawked across Germany by the friar Johann Tetzel, with part of the money going to the new basilica; Luther's 95 Theses of 1517 attacked the trade.
Q 25Which Roman emperor built the original St Peter's Basilica in the fourth century?
Constantine the Great
Constantine the Great ordered the first St Peter's built over the apostle's traditional grave, a hillside then covered by a Roman cemetery; that church stood for some twelve centuries.
Q 26Which two sacraments are classed as the 'sacraments of healing'?
Penance and anointing of the sick
Penance and anointing of the sick are grouped by the Catechism as the sacraments of healing: one is meant to mend the break with God that sin causes, the other to strengthen the seriously ill.
Q 27Which Catholic doctrine holds that the bread and wine of the Eucharist become the body and blood of Christ?
Transubstantiation
Transubstantiation says the substance changes while taste and appearance stay the same, which is how the Church explains that nothing looks different; a council used the term in 1215.
Q 28The Council of Trent was the Catholic Church's answer to what?
The Reformation
The Reformation forced the council to restate the doctrines Luther had rejected, but it also reined in financial abuses and ordered every diocese to train its priests in seminaries.
Q 29Which pope defined the Assumption of Mary as dogma on 1 November 1950?
Pius XII
Pius XII first asked every bishop in a 1946 letter whether the Assumption should be defined; the replies were almost unanimously in favour, and he proclaimed the dogma four years later.
Q 30The first ecumenical council, which produced a famous creed in 325, met in which city?
Nicaea
Nicaea's council was summoned by the emperor to settle the Arian dispute over whether Christ was fully divine; the creed it wrote was amended by a second council in 381.