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.
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.
He has never been married. Priests, including cardinals and popes.
There have been 13 popes named Innocent.
217 popes have been born in Italy.
There have been no popes named Kenneth.
There have been no popes named Jude.
There have been 117 Popes of the Coptic See of Alexandria (Orthodox)
As of April 2013 there have been 266 popes.
There have been 217 Italian popes and only 49 non-Italian popes.
There have been a total of 265 popes including Peter.
There have been 8 popes called Urban.