What is most popular papal name?

Answer 1

Papal names are often used again in honour of the saint that bore the name or out of respect and emulation of a previous pope who bore the name or because the meaning of the name is some virtue the pope wishes to emphasize. Here are some of the more popular papal names that have been used and used again by pontiffs throughout the centuries:

John - 23 times

Benedict - 16 times

Gregory - 16 times

Clement - 14 times

Innocent - 13 times

Leo - 13 times

Pius - 12 times

Stephen - 10 times

Answer 2

The most popular name has been John. There have been 23 popes by that name.