| Date of Death | Deceased Cardinals (53) |
| 1620.03.26 | Cardinal-Priest of S. Pietro in Montorio (1610.05.05 – 1620.03.26) |
| 1620.03.30 | Cardinal-Bishop of Ostia–Velletri (1615.09.16 – 1620.03.30) |
| 1620.08.22 | Cardinal-Bishop of Porto e Santa Rufina (1620.04.06 – 1620.08.22) President of Sacred Congregation of the Reverend Basilica of Saint Peter (1588? – 1620.08.22?) Archpriest of Papal Basilica of Saint Peter (1588? – 1620.08.22?) Pro-Datary of His Holiness of Apostolic Dataria (1588? – 1620.08.22?) |
| 1620.12.09 | Cardinal-Priest of S. Salvatore in Lauro (1611.09.12 – 1620.12.09) Prefect of Sacred Congregation of the Council (1616 – 1620.12.09) |
| 1621.02.10 | Cardinal-Bishop of Sabina (1620.08.31 – 1621.02.10) Camerlengo of the Holy Roman Church of Reverend Apostolic Camera (1599.12.20 – 1621.02.10) |
| 1621.02.12 | Cardinal-Priest of S. Maria sopra Minerva (1616.10.17 – 1621.02.12) |
| 1621.02.19 | Cardinal-Priest of S. Stefano al Monte Celio (1604.06.25 – 1621.02.19) |
| 1621.03.27 | Cardinal-Bishop of Porto e Santa Rufina (1620.08.31 – 1621.03.27) Prefect of Sacred Congregation of Bishops and Regulars (1598 – 1621.03.27?) |
| 1621.06.18 | Metropolitan Archbishop of Reims (France) (1605.01.10 – 1621.06.18) |
| 1621.07.04 | Cardinal-Priest of S. Eusebio (1621.03.03 – 1621.07.04) Bishop emeritus of Béziers (France) (1598.02.11 – 1611.08.17) |
| 1621.07.13 | Cardinal-Deacon emeritus of S. Croce in Gerusalemme pro illa vice Deaconry (1580.02.12 – 1598.07.31) Metropolitan Archbishop emeritus of Toledo (Spain) (1594.11.12 – 1598.07.31) |
| 1621.09.17 | Cardinal-Priest of S. Prassede (1621.08.31 – 1621.09.17) Metropolitan Archbishop emeritus of Capua (Italy) (1602.03.18 – 1605.08.31) Prefect of Sacred Congregation of the Index (1620? – 1621.09.17) |
| 1621.10.18 | Cardinal-Priest of S. Lorenzo in Lucina (1621.03.29 – 1621.10.18) |
| 1622.04.21 | Cardinal-Priest of S. Pietro in Vincoli (1621.10.13 – 1622.04.21) Bishop of Cesena (Italy) (1609.03.11 – 1622.04.21) Archpriest of Papal Basilica of Saint Mary Major (1611.08 – 1622.04.21) |
| 1622.08.14 | Bishop of Paris (France) ([1596.11.02] 1597.06.16 – 1622.08.14) |
| 1622.09.29 | Cardinal-Priest of S. Maria del Popolo (1614.07.09 – 1622.09.29) |
| 1622.11.25 | Cardinal-Priest of S. Carlo ai Catinari (1622.08.23 – 1622.11.25) |
| 1623.06.02 | Cardinal-Bishop of Albano (1620.04.06 – 1623.06.02) Cardinal-Priest of S. Lorenzo in Damaso (1620.03.30 – 1623.06.02) Vice-Chancellor of Apostolic Chancery (1589.03.13 – 1623.06.02) |
| 1623.08.12 | Cardinal-Priest of S. Maria in Via (1621.03.03 – 1623.08.12) |
| 1623.08.19 | Cardinal-Priest of S. Maria della Pace (1615.09.28 – 1623.08.19) |
| 1623.08.24 | Cardinal-Bishop of Ostia–Velletri (1620.04.06 – 1623.08.24) Metropolitan Archbishop emeritus of Genova (Italy) (1586 – 1591.08.09) |
| 1623.09.01 | Cardinal-Priest of S. Agata alla Suburra pro hac vice Title (1623.05.23 – 1623.09.01) |
| 1623.09.06 | Cardinal-Priest of S. Matteo in Merulana (1621.05.17 – 1623.09.06) Bishop of Cesena (Italy) (1622.05.23 – 1623.09.06) Datary of His Holiness of Apostolic Dataria (1621.02.12 – 1623.09.06) |
| 1623.09.30 | Cardinal-Priest of S. Pietro in Montorio (1621.03.03 – 1623.09.30) |
| 1623.12.25 | Cardinal-Priest of S. Stefano al Monte Celio (1621.08.30 – 1623.12.25) Metropolitan Archbishop of Salerno (Italy) (1612.11.19 – 1623.12.25) |
| 1624.03.13 | Cardinal-Priest of S. Marco (1621.06.23 – 1624.03.13) Commendatory Abbot emeritus of Santa Maria di Vangadizza (Italy) (1610 – ?) |
| 1624.03.17 | Cardinal-Priest of S. Pudenziana (1621.05.17 – 1624.03.17) Metropolitan Archbishop of Capua (Italy) (1605.08.31 – 1624.03.17) |
| 1624.05.13 | Cardinal-Priest of S. Maria della Pace (1623.10.02 – 1624.05.13) Bishop of Reggio Emilia (Italy) (1621.10.13 – 1624.05.13) |
| 1624.07.06 | Cardinal-Priest of S. Agata alla Suburra pro hac vice Title (1623.10.07 – 1624.07.06) |
| 1624.09.09 | Cardinal-Bishop of Porto e Santa Rufina (1623.09.27 – 1624.09.09) |
| 1624.11.17 | Cardinal-Priest of S. Agostino (1608.12.10 – 1624.11.17) Bishop emeritus of San Severo (Italy) (1606.03.05 – 1615.03.23) |
| 1625.05.17 | Cardinal-Priest of S. Sisto (1621.03 – 1625.05.17) |
| 1625.09.19 | Cardinal-Priest of S. Lorenzo in Panisperna (1621.12.15 – 1625.09.19) Bishop of Osnabrück (Germany) ([1623.04.19] 1623.10.02 – 1625.09.19) |
| 1626.01.23 | Cardinal-Priest of Ss. Giovanni e Paolo (1612.06.18 – 1626.01.23) Metropolitan Archbishop of Napoli (Italy) (1613.01.07 – 1626.01.23) |
| 1626.02.21 | Cardinal-Bishop of Frascati (1623.09.27 – 1626.02.21) |
| 1626.06.21 | |
| 1626.06.29 | Cardinal-Priest of S. Susanna (1616.10.17 – 1626.06.29) Librarian of Vatican Apostolic Library (1618.02.17 – 1626.06.29) |
| 1626.08.22 | Cardinal-Deacon of S. Maria in Cosmedin (1616.01.11 – 1626.08.22) |
| 1626.09.16 | Cardinal-Priest of SS. Trinità al Monte Pincio (1626.02.09 – 1626.09.16) Metropolitan Archbishop of Lyon (France) (1612.11.05 – 1626.09.16) |
| 1626.10.29 | Cardinal-Deacon emeritus of S. Maria in Portico Octaviae (1612.11.19 – 1615.11.16) |
| 1627.01.03 | Cardinal-Priest of S. Martino ai Monti (1611.09.12 – 1627.01.03) Metropolitan Archbishop of Nazareth in Barletta (Italy) (1609.03.30 – 1627.01.03) Bishop of Monteverde (Italy) (1609.03.30 – 1627.01.03) |
| 1627.04.07 | Cardinal-Bishop of Frascati (1626.09.07 – 1627.04.07) Bishop of Cervia (Italy) (1601.09.10 – 1627.04.07) Prefect of Sacred Congregation of the Council (1626 – 1627.04.07) |
| 1627.08.27 | Cardinal-Bishop of Ostia–Velletri (1623.09.27 – 1627.08.27) Prefect of Congregation for Sacred Rites (1616 – 1627.08.27?) |
| 1627.11.03 | Cardinal-Priest of S. Cecilia (1618.03.05 – 1627.11.03) Bishop of Ferrara (Italy) (1611.08.03 – 1627.11.03) Archpriest of Papal Archbasilica of Saint John Lateran (1623 – 1627.11.03) Archpriest of Papal Basilica of Saint Mary Major (1622.04 – 1627.11.03) |
| 1627.12.26 | |
| 1628.02.08 | Cardinal-Priest of S. Prassede (1621.10.13 – 1628.02.08) Metropolitan Archbishop of Bordeaux (France) (1599.07.05 – 1628.02.08) |
| 1629.01.28 | Cardinal-Priest of S. Eusebio (1626.02.09 – 1629.01.28) Datary of His Holiness of Apostolic Dataria (1623.09.15 – 1629.01.28) |
| 1629.04.09 | Cardinal-Priest of S. Marco (1624.03.18 – 1629.04.09) |
| 1629.08.01 | Cardinal-Bishop of Ostia–Velletri (1626.09.07 – 1629.08.01) Camerlengo emeritus of Sacred College of Cardinals (1612.01.09 – 1613.01.07) |
| 1629.08.03 | Cardinal-Bishop of Frascati (1627.04.14 – 1629.08.03) |
| 1629.08.14 | Cardinal-Bishop of Sabina (1626.09.16 – 1629.08.14) |
| 1629.10.02 | Superior General of Oratory of France (Oratorians of France) (1613.05.10 – 1629.10.02) |
| 1629.10.02 | Cardinal-Bishop of Frascati (1629.08.20 – 1629.10.02) Archpriest of Papal Basilica of Saint Mary Major (1627.11 – 1629.10.02) Secretary of Commission of Roman and Universal Inquisition (1616 – 1629.10.02) |
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