Pope St. Pius V (1504-1572) was born in Italy to a humble family. From a young age, he was formed and well educated by the Dominicans. He entered the order and was ordained a priest at the age of 24.

Other popular pope names include Clement, Innocent, Leo, and Pius. Seven of 11 popes from 1775 to 1958 were named Pius, from Pius VI (1775–1799) to Pius XII (1939–1958). Who will be the next pope?