Pope Gregory XV was born on January 9, 1554.
Pope Pius X was born on June 2, 1835.
Pope Leo XII was born on August 22, 1760.
Pope Pius II was born on October 18, 1405.
Pope Pius XII was born on March 2, 1876.
Pope Pius I was born in 0##.
Pope Pius VII was born on August 14, 1740.
Pope Saint Pius V was born on January 17, 1504.
There has never been a Pope Pius XS.
Pope Pius XI was born on May 31, 1857.
Pope Pius IV was born on March 31, 1499.
Pope Pius V was born on January 17, 1504.
Pope Pius VII was born on August 14, 1740.
Pope Pius VIII was born on November 20, 1761.
Pope Pius VI was born on December 27, 1717.
Pope Pius II was born on October 18, 1405.
Pope Pius XII was born on March 2, 1876.
Pope Saint Pius V was born on January 17, 1504.
12 popes have taken the name "Pius". Some of them were also canonized as saints. Pope Pius I, saint, Pope 140/142 to 155 Pope Pius II, Pope 1458 to 1474 Pope Pius III, Pope in 1503 Pope Pius IV, Pope 1559 to 1565 Pope Pius V, saint, Pope 1566 to 1572 Pope Pius VI, Pope 1775 to 1799 Pope Pius VII, Pope 1800 to 1823 Pope Pius VIII, Pope 1829 to 1830 Pope Pius IX, Pope 1846 to 1878 Pope Pius X, saint, Pope 1903 to 1914 Pope Pius XI, Pope 1922 to 1939 Pope Pius XII, Pope 1939 to 1958
Pope Pius XII followed Pius XI.