Innocent has been the name of 13 popes I believe.
A common name for a pope starting with "I" is Pope Innocent. There have been several popes with this name throughout history, with Pope Innocent III being one of the most notable.
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The Black Pope's birth name is Shelly Pope.
Pope Celestine I named him Patricius (Latin) but after no particular person. The name was a fairly common Roman name.
The Pope is sometimes referred to as His Holiness.
Since Pope Francis is the first and only pope by that name, there is no need for a number after his name. If a pope in the future also decides to take the name Francis, he will become Pope Francis II and then the original Pope Francis will become Pope Francis I.
Eddie Pope's birth name is George Edward Pope.
Pope Urban chose the name upon his election as pope.
Dennis Pope's birth name is Dennis Allen Pope.
Edwin Pope's birth name is John Edwin Pope.
Everett Pope's birth name is Everett Parker Pope.
Katherine Pope's birth name is Katherine Collins Pope.