Cardinal Prevost's choice of the name Leo links him to Leo XIII, a 19th-century champion of social justice. It also recalls Leo I, Leo III and Leo IV, whose diplomatic and military achievements are depicted in Raphael's “stanze” frescoes,

Pope Leo XIV's family tree reflects America's complex racial history, according to records obtained by ABC News.

Cardinal Robert Prevost's appointment as Pope Leo XIV drew celebration from U.S. residents on social media, including from President Donald Trump.

The morning after John Prevost watched his younger brother Robert become Pope Leo XIV, he received a familiar phone call.

First American pontiff Robert Prevost takes Catholic Church helm amid increasing global turmoil - The 69-year-old former cardinal was chosen to be the 267th pope by the Conclave after more than two-th

Cardinal Robert Francis Prevost, now Pope Leo XIV, selected a papal name with a long and sometimes sordid history in the Catholic Church. Previous Pope Leos include those who engaged in crucial diplomatic efforts,