None of them have been married while they were Pope, we know that St. Peter the Apostle had been married, as his mother-in-law is mentioned in the Scriptures, but he was probably a widower by the time he met Our Blessed Lord. Since then all Popes have been celibate as well.
Throughout history, there have been a few instances of popes who were married, but the majority of popes have been celibate.
Yes, there have been married popes, including St. Peter, the first pope.
There have been two popes named John Paul and neither was married. Popes are priests and priest are not allowed to marry.
There have been several popes in history who were married, with the most recent being Pope Adrian II in the 9th century. Other married popes include Pope Hormisdas, Pope Silverius, and Pope Felix III.
There have been 13 popes named Innocent.
He has never been married. Priests, including cardinals and popes.
217 popes have been born in Italy.
There have been no popes named Jude.
There have been no popes named Kenneth.
As of April 2013 there have been 266 popes.
There have been 117 Popes of the Coptic See of Alexandria (Orthodox)
No, in the Roman Catholic Church, popes are not allowed to be married.