FILE- In this Dec. 6, 1959 file photo, President Dwight D. Eisenhower walks with Pope John XXIII at the Vatican. President Joe Biden is scheduled to meet with Pope Francis on Friday, Oct. 29, 2021. Biden is only the second Catholic president in U.S. history. (AP Photo/Paul Schutzer, File)

Following are the most common names chosen by popes of the Roman Catholic Church:

John (23)

Gregory (16)

Benedict (16)

Clement (14)

Leo (13)

Innocent (12)

Pius (12)

Stephen (9)

Urban (8)

Alexander (7)

Adrian (6)

Paul (6)

Sixtus (5)

Martin (5)

Nicholas (5)

Celestine (5)

Anastasius (4)

Honorius (4)