| Cardinal Giuseppe Siri (Apostolic Administrator 1973 – 1986.09.30) |
| Bishop Pietro Zuccarino (1953.11.29 – 1973.08.24)Born:1898.02.02 (Italy)Ordained Priest:1923.07.25Consecrated Bishop:1951.02.11Died:1973.08.24 († 75)Titular Bishop of Philadelphia in Lydia (1951.01.05 – 1953.11.29)Coadjutor Bishop of Bobbio–San Colombano (Italy) (1951.01.05 – 1953.11.29)Bishop of Bobbio–San Colombano (Italy) (1953.11.29 – 1973.08.24) |
| Bishop Bernardo Bertoglio (1937.02.15 – 1953.10.13)Born:1875.08.09 (Italy)Ordained Priest:1898.06.29Consecrated Bishop:1934.04.08Died:1953.10.13 († 78)Titular Bishop of Nazianzus (1934.02.03 – 1937.02.15)Auxiliary Bishop of Palestrina (Italy) (1934.02.03 – 1937.02.15)Bishop of Bobbio–San Colombano (Italy) (1937.02.15 – 1953.10.13) |
| Bishop Matteo Pellegrino (1928.12.17 – 1936.02.23)Born:1877.12.03 (Italy)Consecrated Bishop:1929.04.17Died:1936.02.23 († 58)Bishop of Bobbio–San Colombano (Italy) (1928.12.17 – 1936.02.23) |
| Bishop Pietro Calchi Novati (1923.08.04 – 1927.07.08)Born:1868.11.09 (Italy)Ordained Priest:1891.08.09Consecrated Bishop:1915.02.15Died:1952.06.11 († 83)Bishop of Bobbio (Italy) (1914.12.21 – 1923.08.04)Bishop of Bobbio–San Colombano (Italy) (1923.08.04 – 1927.07.08)Bishop of Lodi (Italy) (1927.07.08 – 1952.06.11) |
| Bishops of Bobbio (Roman Rite) |
| Bishop Pietro Calchi Novati (1914.12.21 – 1923.08.04)(see above) |
| Bishop Luigi Maria Marelli (1907.12.16 – 1914.12.15)Born:1858.04.24 (Italy)Ordained Priest:1881.06.11Consecrated Bishop:1908.01.06Died:1936.04.14 († 77)Bishop of Bobbio (Italy) (1907.12.16 – 1914.12.15)Bishop of Bergamo (Italy) (1914.12.15 – 1936.04.14) |
| Bishop Carlo Castelli (later Archbishop) (1904.11.14 – 1906.07.14)Born:1863.03.20 (Italy)Ordained Priest:1885.09.19Consecrated Bishop:1904.12.07Died:1933.02.08 († 69)Bishop of Bobbio (Italy) (1904.11.14 – 1906.07.14)Metropolitan Archbishop of Fermo (Italy) (1906.07.14 – 1933.02.08)Apostolic Administrator of Ancona e Umana (Italy) (1929 – 1931) |
| Bishop Pasquale Morganti (later Archbishop) (1902.06.09 – 1904.11.14)Born:1853.01.13 (Italy)Ordained Priest:1875.06.23Consecrated Bishop:1902.06.22Died:1921.12.18 († 68)Bishop of Bobbio (Italy) (1902.06.09 – 1904.11.14)Metropolitan Archbishop of Ravenna (Italy) (1904.11.14 – 1921.12.18)Bishop of Cervia (Italy) (1909.01.07 – 1921) |
| Bishop Giovanni Battista Porrati (1880.08.20 – 1902.02.24)Born:1825.08.18 (Italy)Ordained Priest:1851.03.15Consecrated Bishop:1880.08.29Died:1902.02.24 († 76)Bishop of Bobbio (Italy) (1880.08.20 – 1902.02.24) |
| Bishop Enrico Gajo, O.F.M. Cap. (1872.07.29 – 1880.01.31)Born:1811.02.02Ordained Priest:1834.02.22Consecrated Bishop:1872.09.22Died:1880.01.31 († 68)Bishop of Bobbio (Italy) (1872.07.29 – 1880.01.31) |
| Bishop Pietro Giuseppe Vaggi, O.F.M. Cap. (1849.09.28 – 1869.11.22)Born:1798.07.03Ordained Priest:1821.04.07Consecrated Bishop:1849.12.08Died:1869.11.22 († 71)Bishop of Bobbio (Italy) (1849.09.28 – 1869.11.22) |
| Saint Bishop Antonio Maria Gianelli (1838.02.22 – 1846.06.07)Born:1789.04.12 (Cereta, Italy)Ordained Priest:1812.05.24Consecrated Bishop:1838.05.06Died:1846.06.07 (Piacenza, Italy † 57)Beatified:1925.04.19Canonised:1951.10.21Feast:06.07Bishop of Bobbio (Italy) (1838.02.22 – 1846.06.07)Bishop. Founder of Daughters of Our Lady of the Garden. |
| Bishop Giovanni Giuseppe Cavalleri, O.F.M. Cap. (1832.07.02 – 1836.08.08)Born:1764.10.16Ordained Priest:1787.09.22Consecrated Bishop:1832.08.26Died:1836.08.08 († 71)Bishop of Bobbio (Italy) (1832.07.02 – 1836.08.08) |
| Bishop Isaia Volpi, O.F.M. Cap. (1818.05.25 – 1830.09.23)Born:1749.08.11Ordained Priest:1772.07.12Consecrated Bishop:1818.05.31Died:1830.09.23 († 81)Bishop of Bobbio (Italy) (1818.05.25 – 1830.09.23) |
| Bishop Carlo Nicola Maria Fabi, O.E.S.A. (1781.09.17 – 1803.03.16)Born:1721.10.08Ordained Priest:1744.12.19Consecrated Bishop:1781.09.23Died:1803.03.16 († 81)Bishop of Bobbio (Italy) (1781.09.17 – 1803.03.16) |
| Fr. Antonio Martini (later Archbishop) (1780 – 1781.06.25 not possessed)Born:1720.04.20 (Italy)Ordained Priest:1745.09.18Consecrated Bishop:1781.07.01Died:1809.12.31 († 89)Bishop of Bobbio (Italy) (1780 – 1781.06.25 not possessed)Metropolitan Archbishop of Firenze (Italy) (1781.06.25 – 1809.12.31) |
| Bishop Ludovico Terin Bonesio, O.F.M. Cap. (1766.01.27 – 1780.07.28)Born:1705.08.27Ordained Priest:1726.12.21Consecrated Bishop:1766.02.02Died:1780.07.28 († 74)Bishop of Bobbio (Italy) (1766.01.27 – 1780.07.28) |
| Bishop Gaspare Lancellotto Birago (1746.06.14 – 1765.11)Born:1699.07.28Ordained Priest:1722.03.21Consecrated Bishop:1746.06.19Died:1765.11 († 66)Bishop of Bobbio (Italy) (1746.06.14 – 1765.11) |
| Bishop Bernardino Campi (1743.03.11 – 1746.03)Born:1689.07.25Ordained Priest:1712.10.09Consecrated Bishop:1743.03.17Died:1746.03 († 56)Bishop of Bobbio (Italy) (1743.03.11 – 1746.03) |
| Bishop Giuseppe Ludovico Andujar, O.P. (1737.05.07 – 1743.03.11)Born:1693.01.17Ordained Priest:1715.12.21Consecrated Bishop:1737.05.19Died:1782.02.02 († 89)Bishop of Bobbio (Italy) (1737.05.07 – 1743.03.11)Bishop of Tortona (Italy) (1743.03.11 – 1782.02.02) |
| Bishop Carlo Cornaccioli, O. Carm. (1726.06.03 – 1737.01.17) |
| Bishop Ildefonso Manara, B. (1716.12.17 – 1726.03.21) |
| Bishop Carlo Francesco Gallarino (1714.01.17 – 1716.09.09)Born:1660.12.16Ordained Priest:1691.01.07Consecrated Bishop:1714.02.25Died:1716.09.09 († 55)Bishop of Bobbio (Italy) (1714.01.17 – 1716.09.09) |
| Bishop Ambrogio Croce, O.S.B. (1698.09.15 – 1713.04.20)Born:1642.06.13Ordained Priest:1665.05.30Consecrated Bishop:1698.09.21Died:1713.04.20 († 70)Bishop of Bobbio (Italy) (1698.09.15 – 1713.04.20) |
| Bishop Carlo Giuseppe Morozzo, O. Cist. (1693.12.22 – 1698.01.27)Born:1645.02.05Ordained Priest:1668.02.25Consecrated Bishop:1693.12.27Died:1729.03.14 († 84)Bishop of Bobbio (Italy) (1693.12.22 – 1698.01.27)Bishop of Saluzzo (Italy) (1698.01.27 – 1729.03.14) |
| Bishop Bartolomeo Capra (1661.08.09 – 1693.07)Consecrated Bishop:1661.08.28Died:1693.07Bishop of Bobbio (Italy) (1661.08.09 – 1693.07) |
| Bishop Alessandro Porro, C.R. (1650.12.05 – 1660.09.15)Consecrated Bishop:1650.12.21Died:1660.09.15Bishop of Bobbio (Italy) (1650.12.05 – 1660.09.15) |
| Bishop Francesco Maria Abbiati (1618.12.02 – 1650.08.05)Consecrated Bishop:1618.12.21Died:1650.08.05Bishop of Bobbio (Italy) (1618.12.02 – 1650.08.05) |
| Bishop Marco Antonio Bellini (1607.02.12 – 1618.08.10)Consecrated Bishop:1607.02.25Died:1618.08.10Bishop of Bobbio (Italy) (1607.02.12 – 1618.08.10) |
| Bishop Camillo Aulari (1602.08.26 – 1607.01.11)Consecrated Bishop:1602.09.08Died:1607.01.11Bishop of Bobbio (Italy) (1602.08.26 – 1607.01.11) |
| Bishop Eugenio Camuzzi (1568.11.19 – 1602.05.08)Consecrated Bishop:1569.01.09Died:1602.05.08Bishop of Bobbio (Italy) (1568.11.19 – 1602.05.08) |
| Cardinal Francesco Abbondio Castiglioni (1562.01.09 – 1568.11.14)Born:1523.02.01 (Italy)Ordained Priest:Consecrated Bishop:1562Created Cardinal:1565.03.12Died:1568.11.14 († 45)Bishop of Bobbio (Italy) (1562.01.09 – 1568.11.14)Cardinal-Deacon of S. Nicola fra le Immagini pro illa vice Deaconry (1566.02.08 – 1568.11.14) |
| Bishop Sebastiano Donati (1560.11.29 – 1561)Bishop of Bobbio (Italy) (1560.11.29 – 1561) |
| Bishop Borso Merli (1546.11.15 – 1560)Bishop of Bobbio (Italy) (1546.11.15 – 1560) |
| Bishop Ambrogio Trivulzio (1524.05.27 – 1546)Bishop of Bobbio (Italy) (1524.05.27 – 1546) |
| Cardinal Agostino Trivulzio (Apostolic Administrator 1522.09.26 – 1524.05.27) |
| Bishop Giovanni Battista Bagarotto (1500.04.08 – 1519)Consecrated Bishop:1500.12.28Died:1519Bishop of Bobbio (Italy) (1500.04.08 – 1519) |
| Bishop Bernardino Ilcino, O.E.S.A. (1495.05.25 – 1500)Bishop of Bobbio (Italy) (1495.05.25 – 1500) |
| Bishop Lucchino Trotti (1482.10.07 – 1494)Bishop of Bobbio (Italy) (1482.10.07 – 1494) |
| Bishop Giovanni de Mondani (1472.04.20 – 1482.09.15)Bishop of Bobbio (Italy) (1472.04.20 – 1482.09.15) |
| Bishop Stefano Ghilini, O.P. (1465.10.31 – 1472)Bishop of Bobbio (Italy) (1465.10.31 – 1472) |
| Bishop Antonio Bernuzio (1463 – 1463 not possessed)Bishop of Bobbio (Italy) (1463 – 1463 not possessed) |
| Bishop Marliano Baccarini (1447.09.06 – 1463)Bishop of Bobbio (Italy) (1447.09.06 – 1463) |
| Bishop Daniele Pagani (1419.08.21 – 1447)Bishop of Bobbio (Italy) (1419.08.21 – 1447) |
| Bishop Lancellotto Fontana, O.F.M. (1409.08.20 – 1418)Bishop of Bobbio (Italy) (1409.08.20 – 1418) |
| Bishop Alessio da Seregno, O.F.M. (1405.09.26 – 1409.08.20)Bishop of Bobbio (Italy) (1405.09.26 – 1409.08.20)Bishop of Gap (France) (1409.08.20 – 1411.08.27)Bishop of Piacenza (Italy) (1411.08.27 – 1447.01.01) |
| Bishop Uberto Torano (1396.01.10 – 1404)Bishop of Bobbio (Italy) (1396.01.10 – 1404) |
| Bishop Roberto Lanfranchi (1362.04.06 – 1396)Bishop of Bobbio (Italy) (1362.04.06 – 1396) |
| Bishop Carlo Calvi (1339 – 1364)Bishop of Bobbio (Italy) (1339 – 1364) |
| Bishop Giordano Montecucco, O.P. (1326.10.24 – 1339)Bishop of Bobbio (Italy) (1326.10.24 – 1339) |
| Bishop Pietro Rubiani, O.P. (1296 – 1326)Bishop of Bobbio (Italy) (1296 – 1326) |
| Bishop Giovanni Gobbi, C.R.S.A. (1274.01.18 – 1296)Bishop of Bobbio (Italy) (1274.01.18 – 1296) |
| Bishop Alberto De Andito (1233.06 – 1273)Bishop of Bobbio (Italy) (1233.06 – 1273) |
| Bishop Oberto Rocca (1203 – 1233)Bishop of Bobbio (Italy) (1203 – 1233) |
| Bishop Ottone Ghilini (later Archbishop) (1185 – 1203.11.18) |
| Saint Bishop Alberto Avogadro (later Patriarch) (1184 – 1185) |
| Bishop Gandolfo (1177 – 1184)Bishop of Bobbio (Italy) (1177 – 1184) |
| Bishop Oglerio Malvicino, O.S.Col. (1152 – 1176) |
| Fr. Guglielmo da Oneto (Apostolic Administrator sede plena 1152 – 1173) |
| Bishop Oberto Malvicino (1148 – 1152)Bishop of Bobbio (Italy) (1148 – 1152) |
| Bishop Simone Malvicino, O.S.Col. (1125 – 1148) |
| Bishop Pallemone (? – 1125)Bishop of Bobbio (Italy) (? – 1125) |
| Bishop Oddone (1118 – ?)Bishop of Bobbio (Italy) (1118 – ?) |
| Bishop Alberto (1098 – 1118)Bishop of Bobbio (Italy) (1098 – 1118) |
| Bishop Ugone (1085 – 1098)Bishop of Bobbio (Italy) (1085 – 1098) |
| Bishop Uglerio (1068 – 1085)Bishop of Bobbio (Italy) (1068 – 1085) |
| Bishop Opizzone (1059 – 1068)Bishop of Bobbio (Italy) (1059 – 1068) |
| Bishop Luisone (1046 – 1058)Bishop of Bobbio (Italy) (1046 – 1058) |
| Bishop Sigefredo (1027 – 1046)Bishop of Bobbio (Italy) (1027 – 1046) |
| Bishop Attone, O.S.Col. (1017 – 1027) |
| Bishop Pietroaldo, O.S.Col. (1014.02.14 – 1017) |