All the popes listed below had the given name of Giovanni, In some cases it was a second or third name.
Pope John I
Pope John VIII
Pope John IX
Pope John X
Pope John XI
Pope John XVIII
Pope Gelasius II
Pope Nicholas III
Pope Innocent VIII
Pope Leo X
Pope Julius III
Pope Paul IV
Pope Pius IV
Pope Urban VII
Pope Innocent IX
Pope Innocent X
Pope Clement XI
Pope Clement XIV
Pope Pius VI
Pope Pius IX
Pope Benedict XV
Pope Pius XII
Pope Paul VI
There had been 5 popes named Nicholas.
There have been no popes named Kenneth.
There have been 6 popes named Sixtus.
There have been 13 popes named Leo.
There have been 13 popes named Innocent.
There have been no popes named Jude.
There have been 16 popes named Gregory. Gregory XVI reigned from 1831 to 1846.
There have been 8 popes called Urban.
There have been 6 popes who chose the name of Paul.
23
There have been 23 popes named John, Pope John XXIII was the last. He died in 1963.
There has never been a Pope Augustus.
There have been 15 popes named Benedict. Pope Benedict X does not count as he was an antipope.