Question marks beside a date means a lack of documentation backing up the date written down. An asterisk beside a name means an important event in the Catholic church happened during his reign. Some of those events are listed here and here.
Under Construction
| Name | Regnal Years |
|---|---|
| Peter and Paul | Martyred in 64 & 67 |
| Linus | 67-76 ? |
| Cletus (Anacletus) | 78-88 ? |
| Clement I | 88-97 ? |
| Evaristus | 97-105 ? |
| Alexander I | 105-115 ? |
| Xystus I (Sixtus I) | 115-125 |
| Telesphoros | 125-136 |
| Hyginus | 136-140 |
| Cornelius | 251-253 |
| Lucius I | 253-254 |
| Stephen I | 254-257 |
| Xystus II (Sixtus II) | 257-258 |
| Dionysis (Denis) | 259-268 |
| Felix I | 269-274 |
| Eutychian | 275-283 |
| Caius | 283-296 |
| Marcellinus | 296-304 |
| Marcellus I | 308-309 ? |
| Eusebius | 309-310 |
| Unknown | 310-418 |
| Boniface I | 418-422 |
| Celestine I * | 422-432 |
| Xystus III (Sixtus III) | 432-440 |
| Leo I * * The Great |
440-461 |
| Hilarius (Hilary) | 461-468 |
| Simplicus | 468-483 |
| Felix III | 483-492 |
| Gelasius I * | 492-495 |
| Anastasius III | 496-498 |
| Symmachus | 498-514 |
| Hormisdas | 514-523 |
| Pelagius II | 579-590 |
| Gregory * The Great |
590-604 |
| Sabinian | 604-606 |
| Boniface III | 607 |
| Boniface IV | 608-615 |
| Deusdidit I | 615-618 |
| Boniface V * | 619-625 |
| Honorius I (Condemned posthumously for heresy) |
625-638 |
| Severinus | 640 |
| John IV | 640-642 |
| Theodore I | 642-649 |
| John VI | 701-705 |
| John VII | 705-707 |
| Sisinnius | 708 |
| Constantine | 708-715 |
| Gregory II * * | 715-731 |
| Gregory III | 731-741 |
| Zacharius | 741-752 |
| Stephen II * | 752 |
| Stephen III | 752-757 |
| Paul I | 757-767 |
| Constantine of Nepi |
767-768 |
| Nicholas I the Great |
858-867 |
| Hadrian II | 867-872 |
| John VIII | 872-882 |
| Marinus I (Martin II) | 882-884 |
| Hadrian III | 884-885 |
| Joan * | 885 |
| Stephen VI | 885-891 |
| Formosus | 891-896 |
| Boniface VI | 896 |
| Stephen VII | 896-897 |
| Romanus | 897 |
| Leo VII | 936-939 |
| Stephen IX | 939-942 |
| Martin III | 942-945 |
| Agapitus II | 946-955 |
| John XII | 955-964 |
| Leo VIII Probable False Pope |
963-965 |
| Benedict V Probable False Pope |
964-966 |
| John XIII | 965-972 |
| Benedict VI | 973-974 |
| Benedict VII | 974-984 |
| John XIV | 983-984 |
| John XV | 985-996 |
| Gregory V | 996-999 |
| Sylvester II | 999-1003 |
| John XVII No John XVI found? |
1003 |
| John XVIII | 1004-1009 |
| Sergius IV | 1009-1012 |
| Benedict VIII | 1012-1024 |
| John XIX | 1024-1032 |
| Benedict IX | 1032-1046 |
| Silvester III Deposed at Synod of Sutri |
1045 |
| Gregory VI Deposed at Synod of Sutri |
1045-1046 |
| Clement II Deposed at Synod of Sutri |
1046-1047 |
| Damascus II | 1048 |
| Leo IX * | 1049-1054 |
| Victor II | 1055-1057 |
| Stephen X | 1057-1058 |
| Nicholas II | 1059-1061 |
| Benedict X Antipope |
1061 ? |
| Alexander II | 1061-1073 |
| Gregory VII * | 1073-1085 |
| Clement III Antipope |
??? |
| Victor III | 1087 |
| Urban II * | 1088-1099 |
| Alexander III | 159-1181 |
| 4 Antipopes Including Paschal III |
???? |
| Lucius III | 1181-1185 |
| Urban III | 1185-1187 |
| Gregory VIII | 1187 |
| Clement III | 1187-1191 |
| Celestine III | 1191-1198 |
| Innocent III * | 1198-1216 |
| Honorius III * | 1216-1227 |
| Gregory IX * | 1227-1241 |
| Celestine IV | 1247 |
| Nicholas IV | 1285-1287 |
| Celestine V Resigned |
1294 |
| Boniface VIII | 1294-1303 |
| Benedict XI | 1303-1304 |
| Clement V * | 1305-1314 |
| John XXII | 1316-1334 |
| Benedict XII | 1334-1342 |
| Clement VI | 1342-1352 |
| Innocent VI | 1352-1362 |
| Urban V | 1362-1370 |
| Gregory XI * | 1370-1378 |