Other frequently used names include Gregory, in honor of Pope Gregory I, commonly known as Saint Gregory the Great (590-604). The last to use that name was Gregory XVI in 1831.

Other frequently used names include Gregory, in honor of Pope Gregory I, commonly known as Saint Gregory the Great (590-604). The last to use that name was Gregory XVI in 1831.

Other frequently used names include Gregory, in honor of Pope Gregory I, commonly known as Saint Gregory the Great (590-604). The last to use that name was Gregory XVI in 1831.

Other frequently used names include Gregory, in honor of Pope Gregory I, commonly known as Saint Gregory the Great (590-604). The last to use that name was Gregory XVI in 1831.

Other frequently used names include Gregory, in honor of Pope Gregory I, commonly known as Saint Gregory the Great (590-604). The last to use that name was Gregory XVI in 1831.

Pope Francis will be buried in St. Mary Major church, not Saint Peter's Basilica, in a break with tradition.

SHERLOCK: This icon is said to have saved Rome from a plague in the year 590, when Pope Gregory the Great organized a procession with her through the city streets.

The Salus Populi Romani is said to have saved Rome from a plague in the year 590, when Pope Gregory the Great organized a procession with her through the city streets.

Other popes may not have been monikered "the great" but have had lasting impact on the world and society. One such pontiff was Pope Gregory XIII.

Other frequently used names include Gregory, in honor of Pope Gregory I, commonly known as Saint Gregory the Great (590-604). The last to use that name was Gregory XVI in 1831.

The last pope to choose that name was Italian Angelo Giuseppe Roncalli, elected Pope John XXIII, in 1958. Roncalli was proclaimed a saint by Pope Francis in 2014. Other frequently used names include ...

Other frequently used names include Gregory, in honor of Pope Gregory I, commonly known as Saint Gregory the Great (590-604). The last to use that name was Gregory XVI in 1831.