| Date of Death | Deceased Cardinals (41) |
| 1870.02.25 | Cardinal-Priest of SS. Trinità al Monte Pincio (1842.05.23 – 1870.02.25) Metropolitan Archbishop of Lyon (France) ([1839.12.04] 1840.04.27 – 1870.02.25) |
| 1870.04.15 | Cardinal-Priest of S. Maria sopra Minerva (1868.03.16 – 1870.04.15) Archbishop-Bishop of Viterbo (Italy) (1866.06.22 – 1870.04.15) Archbishop-Bishop of Tuscanella (Italy) (1866.06.22 – 1870.04.15) |
| 1870.10.07 | Cardinal-Priest of Ss. Giovanni e Paolo (1842.01.27 – 1870.10.07) Metropolitan Archbishop of Pisa (Italy) (1853.12.19 – 1870.10.07) |
| 1870.10.07 | Cardinal-Bishop of Ostia–Velletri (1860.12.17 – 1870.10.07) President of Sacred Congregation of the Reverend Basilica of Saint Peter (1843.03.11 – 1870.10.07?) Archpriest of Papal Basilica of Saint Peter (1843.03.11 – 1870.10.07?) Pro-Datary of His Holiness of Apostolic Dataria (1858.02.03 – 1870.10.07) |
| 1870.12.22 | Cardinal-Priest of S. Balbina (1858.03.18 – 1870.12.22) Metropolitan Archbishop of Ravenna (Italy) (1860.03.23 – 1870.12.22) |
| 1872.07.01 | Metropolitan Archbishop of Toledo (Spain) (1857.08.03 – 1872.07.01) |
| 1872.07.07 | Cardinal-Bishop of Frascati (1867.02.22 – 1872.07.07) Archpriest of Papal Basilica of Saint Peter (1870 – 1872.07.07) |
| 1872.08.27 | Cardinal-Priest of Ss. Andrea e Gregorio al Monte Celio (1861.09.30 – 1872.08.27) Prefect of Sacred Congregation of Bishops and Regulars (1863.04.23 – 1872.08.27) |
| 1873.04.14 | Cardinal-Priest of S. Prisca (1862.05.21 – 1873.04.14) Metropolitan Archbishop of Santiago de Compostela (Spain) (1851.09.05 – 1873.04.14) |
| 1873.04.30 | Cardinal-Priest of Ss. Bonifacio ed Alessio (1862.09.25 – 1873.04.30) Metropolitan Archbishop of Chambéry (France) ([1840.03.18] 1840.04.27 – 1873.04.30) |
| 1873.08.02 | Cardinal-Bishop of Sabina (1870.03.21 – 1873.08.02) Camerlengo emeritus of Sacred College of Cardinals (1869.06.25 – 1870) |
| 1874.02.15 | Cardinal-Deacon of S. Nicola in Carcere (1874.01.16 – 1874.02.15) |
| 1874.02.24 | Cardinal-Priest of S. Susanna (1856.06.19 – 1874.02.24) Prefect of Sacred Congregation of the Propagation of the Faith (1856.06.20 – 1874.02.24) |
| 1874.05.29 | Cardinal-Priest of S. Marcello (1874.05.04 – 1874.05.29) |
| 1875.03.08 | Cardinal-Priest of S. Agnese fuori le mura (1868.09.24 – 1875.03.08) Prefect of Sacred Congregation of Indulgences and Sacred Relics (1872.09.06 – 1875.03.08) |
| 1875.07.09 | Cardinal-Priest of S. Silvestro in Capite (1852.03.18 – 1875.07.09) Metropolitan Archbishop of Besançon (France) (1834.09.30 – 1875.07.09) |
| 1875.09.16 | Cardinal-Deacon of S. Maria ad Martyres (1867.12.20 – 1875.09.16) Vice-Camerlengo of the Holy Roman Church emeritus of Reverend Apostolic Camera (1846.12.21 – 1847.07.18) |
| 1875.10.17 | Cardinal-Priest of S. Marcello (1875.09.23 – 1875.10.17) Archbishop-Bishop emeritus of Osimo (Italy) (1863.12.21 – 1871.11.20) Archbishop-Bishop emeritus of Cingoli (Italy) (1863.12.21 – 1871.11.20) |
| 1875.11.19 | Cardinal-Priest of S. Marco (1861.09.27 – 1875.11.19) Camerlengo emeritus of Sacred College of Cardinals (1870.03.21 – 1871.08) |
| 1875.11.24 | Cardinal-Priest of S. Maria della Vittoria (1858.12.23 – 1875.11.24) Metropolitan Archbishop of Wien (Austria) (1853.06.27 – 1875.11.24) |
| 1876.04.04 | Cardinal-Priest of S. Maria in Ara Coeli (1874.05.04 – 1876.04.04) Metropolitan Archbishop of Salzburg (Austria) (1851.02.17 – 1876.04.04) |
| 1876.05.05 | Cardinal-Priest of S. Pietro in Vincoli (1867.07.12 – 1876.05.05) Metropolitan Archbishop of Sevilla (Spain) (1863.03.16 – 1876.05.05) |
| 1876.11.06 | Cardinal-Deacon of S. Maria in Via Lata (1868.03.13 – 1876.11.06) Cardinal-Deacon of S. Agata alla Suburra in commendum (1868.03.13 – 1876.11.06) Prefect emeritus of Prefecture of the Holy Apostolic Palaces (1848.11.01 – 1850.05.17) |
| 1876.11.20 | Cardinal-Priest of Ss. Giovanni e Paolo (1874.01.16 – 1876.11.20) Metropolitan Archbishop of Valencia (Spain) (1861.03.18 – 1876.11.20) |
| 1876.12.17 | Cardinal-Bishop of Ostia–Velletri (1870.10.08 – 1876.12.17) Archpriest of Papal Archbasilica of Saint John Lateran (1867.09.21 – 1876.12.17) Secretary of Commission of Roman and Universal Inquisition (1860.10.10 – 1876.12.17) |
| 1877.04.21 | Cardinal-Priest of S. Prassede (1847.10.04 – 1877.04.21) Metropolitan Archbishop of Ferrara (Italy) (1850.05.20 – 1877.04.21) Pro-Datary of His Holiness of Apostolic Dataria (1870.11.08 – 1877.04.21) |
| 1877.04.28 | Cardinal-Priest of Ss. Nereo ed Achilleo (1864.09.22 – 1877.04.28) |
| 1877.07.08 | Cardinal-Priest of S. Lorenzo in Lucina (1867.09.20 – 1877.07.08) Metropolitan Archbishop of Fermo (Italy) (1842.01.27 – 1877.07.08) Camerlengo of the Holy Roman Church of Reverend Apostolic Camera (1867.09.20 – 1877.07.08) |
| 1877.08.26 | Cardinal-Priest of S. Balbina (1875.07.05 – 1877.08.26) Prefect of Sacred Congregation of Bishops and Regulars (1872.08.31 – 1877.08.26?) |
| 1877.09.29 | Cardinal-Priest of S. Sabina (1846.04.16 – 1877.09.29) Metropolitan Archbishop of Napoli (Italy) (1845.11.24 – 1877.09.29) |
| 1877.10.18 | Cardinal-Deacon of S. Maria in Aquiro (1868.03.16 – 1877.10.18) Prefect of Sacred Congregation of Studies (1870.01.03 – 1877.10.18) |
| 1878.02.26 | Cardinal-Priest of S. Maria della Vittoria (1876.04.03 – 1878.02.26) Metropolitan Archbishop of Rennes (France) (1859.01.03 – 1878.02.26) |
| 1878.03.30 | Cardinal-Bishop of Ostia–Velletri (1877.03.12 – 1878.03.30) Cardinal-Priest of S. Lorenzo in Damaso in commendum (1852.09.27 – 1878.03.30) Prefect of Sacred Congregation of Ceremonies (1877.03.12 – 1878.03.30) Vice-Chancellor of Apostolic Chancery (1852.09.27 – 1878.03.30) |
| 1878.04.06 | Cardinal-Priest of Ss. Marcellino e Pietro (1868.03.16 – 1878.04.06) Substitute for General Affairs emeritus of Apostolic Secretariat (1851.04.10 – 1868.03) |
| 1878.07.31 | Cardinal-Priest of S. Maria in Trastevere (1874.01.16 – 1878.07.31) Secretary of State of Apostolic Secretariat (1878.03.05 – 1878.07.31) |
| 1878.10.24 | Cardinal-Priest of S. Pietro in Montorio (1866.06.25 – 1878.10.24) Metropolitan Archbishop of Dublin (Ireland) (1852.05.03 – 1878.10.24) |
| 1878.12.22 | Cardinal-Priest of S. Lorenzo in Lucina (1877.09.21 – 1878.12.22) Patriarch emeritus of Constantinople (1844.01.22 – 1845.04.21) Prefect emeritus of Sacred Congregation of Indulgences and Sacred Relics (1847.05.02 – 1863.05.08) |
| 1879.01.29 | Cardinal-Priest of S. Martino ai Monti (1858.03.18 – 1879.01.29) Archbishop-Bishop of Ancona e Umana (Italy) (1851.09.05 – 1879.01.29) |
| 1879.02.27 | Cardinal-Bishop of Frascati (1872.07.29 – 1879.02.27) Metropolitan Archbishop emeritus of Bologna (Italy) (1863.12.21 – 1871.11.12) |
| 1879.04.26 | Cardinal-Bishop of Albano (1877.03.12 – 1879.04.26) Prefect of Supreme Tribunal of the Apostolic Signatura (1878.07.15 – 1879.04.26) |
| 1879.06.17 | Cardinal-Priest of S. Lorenzo in Lucina (1879.05.12 – 1879.06.17) Metropolitan Archbishop emeritus of Benevento (Italy) (1844.07.22 – 1879.05.12) |
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