| DIONYSIUS THE AREOPAGITE | | | 1st Century | Mentioned by Luke as a convert |
| PAPIAS | 60 | 130 | | |
| POLYCARP | 69 | 155 | | |
| JUSTIN MARTYR | 100 | 165 | | |
| MELITO OF SARDIS | | ~180 | 101-~180 | |
| MARCUS AURELIUS | 121 | 180 | | |
| IRENAEUS | 125 | 202 | | |
| POLYCRATES OF EPHESUS | ~130 | 196 | | |
| VICTORINUS OF PETTAU | | | 204 | |
| CLEMENT OF ALEXANDRIA | ~150 | ~215 | | AKA Titus Flavius Clemens |
| TERTULLIAN | 155 | 220 | | AKA Quintus Septimus Florens Tertullianus |
| HIPPOLYTUS OF ROME | ~170 | ~235 | | AKA Dionysius the Great |
| JULIUS AFRICANUS | ~170 | ~240 | | |
| ORIGEN OF ALEXANDRIA | ~185 | ~254 | | AKA Oregen of Admantius |
| DIONYSIUS OF ALEXANDRIA | ~200 | ~265 | | |
| COMMODIAN | | | 240-260 | |
| CYPRIAN | 210 | 258 | | |
| EUSEBIUS OF CAESAREA | 260-265 | 339-340 | 325 |
|
| EPHRAEM THE SYRIAN | ~306 | 373 | | |
| EPIPHANIUS OF SALAMIS | ~310-320 | 403 | | |
| SULPITIUS SEVERUS | ~363 | ~425 | | |
| AMBROISASTER | | | 366-384 | An unknown writer whose work was originally thought to be of St Ambrose; later determined to be unknown |
| JEROME | 347 | 420 | | |
| AUGUSTINE | 354 | 430 | | |
| TYCONIUS | | | 370-390 | |
| PROSPER OF AQUITANE | ~390 | ~455 | | |
| QUINTUS JULIUS HILARIANUS | | | ~397 | |
| EUCHERIUS OF LYONS | ~380 | ~449 | | |
| QUODVULTDEUS OF CARTHAGE | | 453 | 407-453 | |
| SEVERUS OF ANTIOCH | | 538 | 512-538 | A saint in the Coptic church; a heretic in the Western church |
| OECUMENIUS | | | ~600 | Contemporary with Severus of Antioch; quoted by Andrew of Ceasarea |
| ANDREW (OR ANDREAS) OF CAESAREA | | | 563-637 | |
| THE VENERABLE BEDE (OR BEDA) | ~673 | 735 | | |
| ALCUIN OF YORK | ~735 | 804 | | |
| BEATUS OF LIEBANA | ~750 | 798 | | |
| ADSO OF MONTIER-EN-DER | ~910 | 992 | | |
| ABBO OF FLEURY | ~945 | 1004 | | |
| RODULFUS GLABER | 985 | 1047 | | AKA Raoul or Ralph Glaber; Rodulfus the Bald |
| BENZO OF ALBA | | ~1089 | bisop of alba 1059 | |
| HILDEBRAND OF SOVANA | 1015 | 1085 | elected Pope:1073 | AKA Pope Gregory VII |
| GUIBERT OF REVENNA | 1029 | 1100 | elected Pope: 1080 | AKA Wilbert of Revenna; Archbishop of Revenna; Pope Clement III; Antipope Clement III |
| ANSELM OF CANTERBURY | 1033 | 1109 | | |
| EKKEHARD OF AURA | ~1050 | 1126 | | |
| GUIBERT OF NOGENT | ~1058 | 1124 | | |
| BERNARD OF CLAIRVAUX | 1090 | 1153 | | St. Bernard; Cistercian Abbot |
| GERHOH OF REICHERSBERG | 1093 | 1169 | | |
| HILDEGARD OF BINGEN | 1098 | 1179 | | |
| ANSELM OF HAVELBERG | ~1100 | 1158 | | |
| OTTO OF FREISING | 1110 | 1158 | | |
| DIONYSIUS BAR SALIBI | | | 1154-1171 | |
| FREDERICK BARBAROSSA | 1122 | 1190 | | |
| JOACHIM OF FIORE | 1122 | 1190 | | Important writer/thinker of the Middle Age. Abbot of the house that was the source of the Florensian order, out of the Cistercian. Very politcally active. |
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