Namesakes
Sixtus II
(m) ?-258 
Bishops of Rome and the Popes 257-258
Saints
Sixtus I
(m) 42-124
Bishops of Rome and the Popes 115-124
Saints
Sixtus IV
(m) 1414-1484
Bishops of Rome and the Popes 1471-1484
Sixtus III
(m) c. 390-440
Bishops of Rome and the Popes 432-440
Saints
Sixtus V
(m) 1520-1590
Bishops of Rome and the Popes 1585-1590