Namesakes for CALIXTUS:
  Bishops of Rome and the Popes: 3 popes
      Pope Callistus I (a.k.a. Calixtus)   217-222
      Pope Callistus II (a.k.a. Calixtus)   1119-1124
      Pope Callistus III (a.k.a. Calixtus)   1455-1458
  Saints: 1 saint
      Saint Calixtus