There are two popes in the period from 1572 to 1591 whose consecration details are not yet known:
Pope Gregory XIII (1572 - 1585), Ugo Boncompagni, elected Bishop of Vieste 20 July 1558.
Pope Innocent IX (1591 - 1591), Giovan Antonio Facchinetti, elected Bishop of Nicastro in 1560.
Any information on the consecrations of any of these popes will be gratefully received and publicly acknowledged on this
site. Thank you!