There are many sources of information about the life of Pope Leo XIV. Here are a few:

On May 8, 2025, Cardinal Robert Francis Prevost, OSA, 69, Prefect Emeritus of the Dicastery for Bishops was elected in the conclave to become the first pope from the United States. Read his full biography on the on the Vatican News website.

Pope Leo’s motto on his coat of arms, "In Illo uno unum," which means “In the One, we are one.” The phrase is taken from Saint Augustine’s Exposition on Psalm 127, where he explains that “although we Christians are many, in the one Christ we are one.” Read more on the Vatican News website.