| Date of Death | Deceased Cardinals (37) |
| 1590 | |
| 1590.05.09 | Cardinal-Priest of S. Crisogono (1561.01.15 – 1590.05.09) Metropolitan Archbishop of Rouen (France) (1550.10.03 – 1590.05.09) |
| 1590.10.04 | Cardinal-Priest of S. Stefano al Monte Celio (1586.01.15 – 1590.10.04) |
| 1591.01.13 | Cardinal-Priest of Ss. Giovanni e Paolo (1584.11.28 – 1591.01.13) Prefect of Sacred Congregation of the Council (1586 – 1591.01.13) Librarian of Vatican Apostolic Library (1585.10.06 – 1591.01.13) |
| 1591.03.18 | Cardinal-Bishop of Ostia–Velletri (1589.03.02 – 1591.03.18) |
| 1591.04.15 | Cardinal-Priest of S. Giovanni a Porta Latina (1570.11.20 – 1591.04.15) |
| 1591.04.28 | Cardinal-Priest of S. Biagio dell’Anello (1587.04.27 – 1591.04.28) |
| 1591.12.23 | Cardinal-Priest of Ss. Bonifacio ed Alessio (1587.04.20 – 1591.12.23) |
| 1592.01.06 | Cardinal-Priest of S. Maria in Traspontina (1589.03.06 – 1592.01.06) |
| 1592.02.07 | Cardinal-Priest of S. Pietro in Vincoli (1587.01.14 – 1592.02.07) Metropolitan Archbishop of Torino (Italy) (1564.05.12 – 1592.02.07) |
| 1592.11.27 | Cardinal-Priest of S. Anastasia (1591.03.20 – 1592.11.27) |
| 1592.12.13 | Cardinal-Priest of S. Onofrio (1588.01.15 – 1592.12.13) Bishop emeritus of Auxerre (France) (1560.02.07 – 1562) Prefect of Sacred Congregation of the Index (1588 – 1592.12.13) |
| 1592.12.17 | Cardinal-Priest of S. Clemente (1589.03.02 – 1592.12.17) |
| 1593.01.11 | Cardinal-Priest of S. Maria del Popolo (1588.01.15 – 1593.01.11) Patriarch emeritus of Jerusalem (1585.09.23 – 1587.12.18) |
| 1593.08.20 | Cardinal-Priest of S. Sabina (1584.02.20 – 1593.08.20) |
| 1594.03.28 | Cardinal-Priest of S. Prassede (1584.11.14 – 1594.03.28) Metropolitan Archbishop of Reims (France) (1591.05.10 – 1594.03.28) Metropolitan Archbishop of Sens (France) (1562.12.16 – 1594.03.28) |
| 1594.07.30 | Metropolitan Archbishop of Rouen (France) (1590.05.09 – 1594.07.30) |
| 1594.10.16 | Cardinal-Priest of S. Martino ai Monti (1587.08.31 – 1594.10.16) Metropolitan Archbishop of Mechelen (Belgium) (1589 – 1594.10.16 not possessed) Librarian of Vatican Apostolic Library (1590 – 1594.10.16) |
| 1594.11.12 | Cardinal-Priest of S. Balbina (1578.12.15 – 1594.11.12) Metropolitan Archbishop of Toledo (Spain) (1577.09.06 – 1594.11.12) |
| 1595.02.15 | Cardinal-Priest of S. Maria in Trastevere (1580.12.05 – 1595.02.15) Bishop emeritus of Konstanz (Germany) (1561.10.24 – 1589) Archpriest of Papal Archbasilica of Saint John Lateran (1565 – 1595.02.15) |
| 1595.05.04 | Cardinal-Deacon of S. Maria in Portico Octaviae (1588.01.15 – 1595.05.04) Grand Master of Sovereign Military Hospitaller Order of Saint John of Jerusalem of Rhodes and of Malta (Knights of Malta) (1582.01.12 – 1595.05.04) |
| 1595.08.18 | Cardinal-Priest of Ss. Giovanni e Paolo (1592.02.14 – 1595.08.18) Metropolitan Archbishop emeritus of Chieti (Italy) (1585.10.21 – 1591.03.20) |
| 1595.12.20 | Cardinal-Priest of S. Pietro in Montorio (1587.04.20 – 1595.12.20) Bishop emeritus of Vercelli (Italy) (1587.04.06 – 1589.05.29) |
| 1596.01.10 | Cardinal-Priest of S. Maria in Via (1590.03.28 – 1596.01.10) |
| 1596.05.29 | Cardinal-Priest of S. Onofrio (1594.12.05 – 1596.05.29) |
| 1596.09.14 | Cardinal-Priest of S. Maria in Traspontina (1593.10.11 – 1596.09.14) Preacher emeritus of Prefecture of the Holy Apostolic Palaces (1569 – 1593.09.17) |
| 1597.03.13 | Cardinal-Bishop of Palestrina (1587.05.11 – 1597.03.13) Librarian of Vatican Apostolic Library (1591 – 1597.03.13) |
| 1597.07.23 | Cardinal-Bishop of Sabina (1591.03.20 – 1597.07.23) Metropolitan Archbishop of Bologna (Italy) (1582.12.10 – 1597.07.23) |
| 1598.03.28 | Cardinal-Bishop of Albano (1591.03.20 – 1598.03.28) Prefect of Sacred Congregation of Bishops and Regulars (1591 – 1598.03.28) |
| 1598.04.23 | Cardinal-Priest of S. Martino ai Monti (1596.06.21 – 1598.04.23) |
| 1598.05.18 | Bishop of Regensburg (Germany) ([1579.07.14] 1592 – 1598.05.18) |
| 1598.06.02 | Cardinal-Priest of S. Salvatore in Lauro (1587.04.20 – 1598.06.02) |
| 1598.10.20 | Cardinal-Priest of Ss. Giovanni e Paolo (1595.08.30 – 1598.10.20) |
| 1599.01.22 | Cardinal-Priest of S. Maria in Via (1596.06.21 – 1599.01.22) |
| 1599.06 | Cardinal-Priest of S. Pietro in Montorio (1596.01.08 – 1599.06) |
| 1599.10.28 | Cardinal-Deacon of S. Angelo in Pescheria (1587.01.07 – 1599.10.28) Bishop emeritus of Warmia (Poland) (1589.03.23 – 1599.03.28) |
| 1599.12.13 | Cardinal-Priest of S. Pudenziana (1586.01.15 – 1599.12.13) Patriarch emeritus of Alexandria (1585.07.29 – 1585.12.18) Camerlengo of the Holy Roman Church of Reverend Apostolic Camera (1587.10.26 – 1599.12.13) |
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