| Date of Death | Deceased Cardinals (35) |
| 1730.01.26 | Cardinal-Priest of Ss. Marcellino e Pietro (1721.01.20 – 1730.01.26) |
| 1730.02.14 | Cardinal-Priest of S. Agostino (1729.07.06 – 1730.02.14) Archbishop-Bishop of Perugia (Italy) (1726.12.16 – 1730.02.14) |
| 1730.02.19 | Cardinal-Priest of S. Maria sopra Minerva (1729.03.03 – 1730.02.19) |
| 1730.03.22 | Cardinal-Deacon of S. Maria in Via Lata (1693.12.22 – 1730.03.22) Librarian of Vatican Apostolic Library (1704.02.26 – 1730.03.22) Archivist of Vatican Secret Archives (1704.02.26 – 1730.03.22) Archpriest of Papal Archbasilica of Saint John Lateran (1699.04.20 – 1730.03.22) |
| 1730.04.23 | Cardinal-Priest of S. Bernardo alle Terme (1721.07.16 – 1730.04.23) Bishop emeritus of Terracina (Italy) (1710.12.01 – 1720.06.03) Major Penitentiary of Sacred Apostolic Penitentiary (1721.08.03 – 1730.04.23) |
| 1730.09.06 | Cardinal-Priest of S. Tommaso in Parione (1716.03.30 – 1730.09.06) |
| 1730.10.20 | Cardinal-Deacon of S. Maria in Portico (1728.05.10 – 1730.10.20) |
| 1730.12.27 | Cardinal-Priest of S. Maria del Popolo (1713.01.30 – 1730.12.27) |
| 1731.03.24 | Cardinal-Bishop of Albano (1724.06.12 – 1731.03.24) Metropolitan Archbishop of Bologna (Italy) (1690.04.17 – 1731.03.24) |
| 1732.02.24 | Cardinal-Priest of S. Silvestro in Capite (1728.09.20 – 1732.02.24) Vicar General for the Vicariate of Rome of Roma (Italy) (1726.06.13 – 1732.02.24) |
| 1732.08.28 | Cardinal-Priest of S. Eusebio (1721.06.16 – 1732.08.28) Metropolitan Archbishop of Kalocsa (Hungary) (1714.11.19 – 1732.08.28) Bishop of Oradea Mare (Romania) (1703.06.25 – 1732.08.28) |
| 1732.12.30 | Cardinal-Priest of S. Cecilia (1727.06.25 – 1732.12.30) Camerlengo emeritus of Sacred College of Cardinals (1727.01.20 – 1728.01.26) |
| 1733.02.24 | Cardinal-Priest of S. Maria in Ara Coeli (1730.07.24 – 1733.02.24) |
| 1733.08.08 | Cardinal-Priest of S. Pudenziana (1721.06.21 – 1733.08.08) Patriarch of Indias Occidentales (1708.10.03 – 1733.08.08) |
| 1733.09.16 | Cardinal-Deacon of S. Nicola in Carcere (1728.05.10 – 1733.09.16) Secretary of State of Apostolic Secretariat (1730 – 1733.09.16) |
| 1733.11.18 | Cardinal-Priest of S. Balbina (1731.09.03 – 1733.11.18) |
| 1733.12.02 | Cardinal-Priest of S. Girolamo dei Croati (1731.12.17 – 1733.12.02) Metropolitan Archbishop of Benevento (Italy) (1731.05.21 – 1733.12.02) |
| 1734.01.26 | Cardinal-Deacon of S. Maria della Scala (1724.11.20 – 1734.01.26) Dean emeritus of Sacred Roman Rota (1723 – 1724.09.11) Vice-Camerlengo of the Holy Roman Church emeritus of Reverend Apostolic Camera (1717.06.23 – 1724.09.11) |
| 1734.02.08 | Metropolitan Archbishop of Toledo (Spain) (1720.07.22 – 1734.02.08) |
| 1734.06.20 | Cardinal-Priest of S. Sabina (1720.09.16 – 1734.06.20) |
| 1734.08.14 | Cardinal-Priest of Ss. Quattro Coronati (1731.09.03 – 1734.08.14) |
| 1734.12.05 | Cardinal-Bishop of Porto e Santa Rufina (1725.11.19 – 1734.12.05) Metropolitan Archbishop of Napoli (Italy) (1703.02.19 – 1734.12.05) |
| 1735.04.12 | Cardinal-Priest of Ss. Nereo ed Achilleo (1725.01.29 – 1735.04.12) Camerlengo emeritus of Sacred College of Cardinals (1724.01.17 – 1726.02.20) |
| 1737.01.15 | Cardinal-Priest of S. Lorenzo in Lucina (1727.01.20 – 1737.01.15) |
| 1737.03.18 | Cardinal-Priest of S. Eustachio pro hac vice Title (1726.03.20 – 1737.03.18) Prefect of Sacred Congregation of the Council (1721.05.16 – 1737.03.18) |
| 1737.07.26 | Cardinal-Priest of S. Bernardo alle Terme (1730.08.14 – 1737.07.26) |
| 1737.10.22 | Cardinal-Deacon emeritus of S. Maria della Scala (1688.12.20 – 1695.03.21) |
| 1737.11.23 | Cardinal-Priest of S. Prassede (1731.04.09 – 1737.11.23) Prefect emeritus of Supreme Tribunal of the Apostolic Signatura (1730.07.27 – 1737?) |
| 1738.02.09 | Cardinal-Deacon of Ss. Vito, Modesto e Crescenzia (1715.09.23 – 1738.02.09) Pro-Prefect emeritus of Prefecture of the Holy Apostolic Palaces (1712.10.01 – 1715.05.06) |
| 1738.07.22 | Cardinal-Priest of S. Marcello (1714.12.07 – 1738.07.22) Bishop of Olomouc (Czechia) ([1711.09.15] 1711.12.23 – 1738.07.22) |
| 1738.08.17 | Cardinal-Bishop of Ostia–Velletri (1726.07.01 – 1738.08.17) |
| 1738.09.28 | Cardinal-Priest of S. Susanna (1721.06.16 – 1738.09.28) |
| 1739.01.17 | Cardinal-Bishop of Palestrina (1738.09.03 – 1739.01.17) Camerlengo emeritus of Sacred College of Cardinals (1726.02.20 – 1727.01.20) |
| 1739.07.08 | Cardinal-Deacon of S. Agata alla Suburra (1730.07.24 – 1739.07.08) Prefect emeritus of Prefecture of the Holy Apostolic Palaces (1696.03.08 – 1706.05.17) |
| 1739.08.19 | Cardinal-Priest of S. Bartolomeo all’Isola (1721.07.06 – 1739.08.19) Metropolitan Archbishop emeritus of Monreale (Italy) (1725.02.21 – 1739.04.24) |
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