"The Pope is from Chicago. This is one of the biggest moments in the modern history of our city," said Mayor Brandon Johnson in a statement.

Pope Leo XIV became a new leader to the world’s 1.4 billion Roman Catholics. To the Rev. William Lego on the South Side of Chicago, who was watching television in his office when the new pope was announced,

The Prevost family belonged to the now-shuttered St. Mary of the Assumption Parish in the Riverdale neighborhood on the South Side of Chicago, then populated by throngs of Catholic families.