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Pope Leo XII

1760 - 1829

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Pope Leo XII (Italian: Leone XII; born Annibale Francesco Clemente Melchiorre Girolamo Nicola della Genga (; 2 August 1760 – 10 February 1829), was head of the Catholic Church and ruler of the Papal States from 28 September 1823 to his death in February 1829.Leo XII was in ill health from the time of his election to the papacy to his death less than 6 years later, though he was noted for enduring pain well. He was a deeply conservative ruler, who enforced many controversial laws, including one forbidding Jews to own property. Read more on Wikipedia

Since 2007, the English Wikipedia page of Pope Leo XII has received more than 442,125 page views. His biography is available in 77 different languages on Wikipedia (up from 76 in 2019). Pope Leo XII is the 132nd most popular religious figure (down from 124th in 2019), the 151st most popular biography from Italy (up from 152nd in 2019) and the 43rd most popular Italian Religious Figure.

Pope Leo XII is most famous for his encyclical Quod Apostolici Muneris, in which he condemned socialism and communism.

Memorability Metrics

  • 440k

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  • 75.21

    Historical Popularity Index (HPI)

  • 77

    Languages Editions (L)

  • 14.86

    Effective Languages (L*)

  • 2.78

    Coefficient of Variation (CV)

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Among religious figures, Pope Leo XII ranks 132 out of 2,238Before him are Pope Urban VII, Pope Pius VIII, Pope Alexander VIII, Pope Pius II, Clare of Assisi, and Agnes of Rome. After him are John Bosco, Pope Pius VI, Saint Blaise, Pope Leo XI, Pope Clement XII, and Pope Benedict XIV.

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Among people born in 1760, Pope Leo XII ranks 2Before him is Hokusai. After him are Henri de Saint-Simon, Luigi Cherubini, Jiaqing Emperor, François-Noël Babeuf, Camille Desmoulins, Claude Joseph Rouget de Lisle, Alexandre de Beauharnais, Johan Gadolin, August Neidhardt von Gneisenau, and Jan Ladislav Dussek. Among people deceased in 1829, Pope Leo XII ranks 2Before him is Jean-Baptiste Lamarck. After him are Thomas Young, Niels Henrik Abel, John Jay, Humphry Davy, Maria Anna Mozart, Friedrich Schlegel, Paul Barras, Alexander Griboyedov, Louis Nicolas Vauquelin, and François-Joseph Gossec.

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In Italy

Among people born in Italy, Pope Leo XII ranks 151 out of 4,668Before him are Paolo Veronese (1528), Luca Pacioli (1445), Pope Alexander VIII (1610), Pope Pius II (1405), Clare of Assisi (1193), and Agnes of Rome (291). After him are John Bosco (1815), Gaetano Donizetti (1797), Pope Pius VI (1717), Gina Lollobrigida (1927), Tomaso Albinoni (1671), and Marcello Mastroianni (1924).


Among religious figures born in Italy, Pope Leo XII ranks 43Before him are Pope Urban VII (1521), Pope Pius VIII (1761), Pope Alexander VIII (1610), Pope Pius II (1405), Clare of Assisi (1193), and Agnes of Rome (291). After him are John Bosco (1815), Pope Pius VI (1717), Pope Leo XI (1535), Pope Clement XII (1652), Pope Benedict XIV (1675), and Pope Sixtus V (1520).