Diocese of Tortona

Past and Present Ordinaries

• Pietro † ( 1111 Appointed - 30 May 1134 Resigned)
• Melchiorre Busetto † ( 1283 Appointed - 1284 Died)
• Giacomo Calcinari, O.S.B. † (2 Oct 1295 Appointed - 1316 Died)
• Tiberio della Torre † (11 Jul 1317 Appointed - 24 May 1325 Appointed, Bishop of Brescia)
• Princivalle Fieschi † (24 May 1325 Appointed - 1348 Died)
• Giacomo Visconti † (2 Jul 1348 Appointed - 1363 Died)
• Giovanni di Ceva † (13 Sep 1364 Appointed - 1380 Died)
• Giorgio Torti † ( 1380 Appointed - 1385 Appointed, Bishop of Ceneda)
• Antonio † (28 Feb 1393 Appointed - )
• Pietro de Giorgi † (30 Mar 1394 Appointed - 15 Feb 1413 Appointed, Bishop of Novara)
• Enrico Rampini † (10 May 1413 Appointed - 7 Jun 1435 Appointed, Bishop of Pavia)
• Gerardo Landriani † ( 1435 Appointed - Did Not Take Effect)
• Giovanni Barbavara † (6 Mar 1437 Appointed - 1460 Died)
• Michele Marliani † (9 Jan 1461 Appointed - 24 Apr 1475 Appointed, Bishop of Piacenza)
• Fabrizio Marliani † (24 Apr 1475 Appointed - 15 Jan 1476 Appointed, Bishop of Piacenza)
• Giacomo de Bottis † (10 Jan 1476 Appointed - 1496 Died)
• Gian Domenico de Zazi † (20 Apr 1496 Appointed - 1528 Died)
• Uberto Gambara † (8 May 1528 Appointed - 22 Mar 1548 Resigned)
• Cesare Gambara † (22 Mar 1548 Appointed - 1591 Died)
• Maffeo Gambara † (11 May 1592 Appointed - 1612 Died)
• Cosimo Dossena, B. † (27 Feb 1612 Appointed - 12 Mar 1620 Died)
• Paolo Arese, C.R. † (20 Jul 1620 Appointed - 1644 Resigned)
• Giovanni Francesco Fossati, O.S.B. † (23 May 1644 Appointed - 11 Mar 1653 Died)
• Carlo Settala † (18 Aug 1653 Appointed - 23 Apr 1682 Died)
• Carlo Francesco Ceva † (12 Jul 1683 Appointed - Aug 1700 Died)
• Giulio Resta † (21 Feb 1701 Appointed - 11 Jan 1743 Died)
• Giuseppe Luigi de Andujar, O.P. † (11 Mar 1743 Appointed - 2 Feb 1782 Died)
• Carlo Maurizio Peiretti † (18 Jul 1783 Appointed - 18 Feb 1793 Died)
• Pio Bonifacio Fassati, O.P. † (27 Jun 1796 Confirmed - 1803 Resigned)
• Carlo Francesco Carnevale † (21 Dec 1818 Confirmed - 29 Oct 1831 Died)
• Giovanni Negri † (15 Apr 1833 Confirmed - 19 Jan 1874 Died)
• Vincenzo Capelli † (4 May 1874 Appointed - 25 Apr 1890 Died)
• Igino Bandi † (23 Jun 1890 Appointed - 8 Sep 1914 Died)
• Simone Pietro Grassi † (22 Dec 1914 Appointed - 1 Nov 1934 Died)
• Egisto Domenico Melchiori † (5 Dec 1934 Appointed - 2 Mar 1963 Died)
• Francesco Rossi † (21 Apr 1963 Appointed - 29 Nov 1969 Resigned)
• Giovanni Canestri † (7 Jan 1971 Appointed - 8 Feb 1975 Appointed, Vicegerent of Roma {Rome})
• Luigi Bongianino † (6 Jun 1975 Appointed - 2 Feb 1996 Retired)
• Martino Canessa (2 Feb 1996 Appointed - 15 Oct 2014 Retired)
• Vittorio Francesco Viola, O.F.M. (15 Oct 2014 Appointed - 27 May 2021 Appointed, Secretary of the Congregation for Divine Worship and the Discipline of the Sacraments)
• Guido Marini (29 Aug 2021 Appointed - )

Historical Summary

Statistics

Year	Catholics	Total Population	Percent Catholic	Diocesan Priests	Religious Priests	Total Priests	Catholics Per Priest	Permanent Deacons	Male Religious	Female Religious	Parishes	Source
1821		214,836	.0%									OTC
1835											268	OTC
1886		269,244	.0%			515	0				279	OTC
1950	299,000	300,000	99.7%	500	130	630	474		200	500	316	ap1951
1969	303,800	306,936	99.0%	370	86	456	666		177	704	265	ap1971
1980	295,000	297,000	99.3%	313	62	375	786		94	720	317	ap1981
1990	272,500	275,000	99.1%	254	70	324	841	12	104	715	315	ap1991
1999	276,000	280,000	98.6%	203	65	268	1,029	13	68	442	314	ap2000
2000	276,000	280,000	98.6%	198	63	261	1,057	12	66	435	314	ap2001
2001	276,000	280,000	98.6%	196	60	256	1,078	12	63	426	314	ap2002
2002	276,000	280,000	98.6%	188	59	247	1,117	12	62	417	314	ap2003
2003	270,980	278,500	97.3%	182	59	241	1,124	12	62	412	314	ap2004
2004	272,960	279,070	97.8%	173	59	232	1,176	15	63	365	314	ap2005
2010	273,490	280,060	97.7%	146	56	202	1,353	20	60	345	314	ap2011
2014	274,695	281,420	97.6%	106	58	164	1,674	20	62	349	314	ap2015
2017	275,160	281,980	97.6%	104	55	159	1,730	18	60	281	313	ap2018
2020	275,912	282,420	97.7%	93	57	150	1,839	17	62	279	313	ap2021
2022	275,100	281,200	97.8%	91	57	148	1,858	20	62	273	309	ap2023

Note: Any changes in boundaries over time are not indicated in the above table.

Affiliated Bishops, Living

• Martino Canessa (Bishop: 2 Feb 1996 to 15 Oct 2014)
• Guido Marini (Bishop: 29 Aug 2021 - )
• Vittorio Francesco Viola, O.F.M. (Bishop: 15 Oct 2014 to 27 May 2021)

  ---

Affiliated Bishops, Deceased

• Giuseppe Luigi de Andujar, O.P. † (Bishop: 11 Mar 1743 to 2 Feb 1782)
• Carlo Angeleri † (Priest: 21 May 1921; Auxiliary Bishop: 7 Aug 1948 to 22 May 1979)
• Paolo Arese, C.R. † (Bishop: 20 Jul 1620 to 1644)
• Igino Bandi † (Bishop: 23 Jun 1890 to 8 Sep 1914)
• Giovanni Barbavara † (Bishop: 6 Mar 1437 to 1460)
• Pietro Berruti †
• Luigi Bongianino † (Bishop: 6 Jun 1975 to 2 Feb 1996)
• Giacomo de Bottis † (Bishop: 10 Jan 1476 to 1496)
• Melchiorre Busetto † (Bishop: 1283 to 1284)
• Giacomo Calcinari, O.S.B. † (Bishop: 2 Oct 1295 to 1316)
• Giovanni Canestri † (Bishop: 7 Jan 1971 to 8 Feb 1975)
• Vincenzo Capelli † (Bishop: 4 May 1874 to 25 Apr 1890)
• Carlo Francesco Carnevale † (Priest: 23 Sep 1780; Bishop: 21 Dec 1818 to 29 Oct 1831)
• Andrea Cassulo †
• Silvio Cassulo † (Priest: 29 Jun 1929 to 28 Apr 1948)
• Carlo Francesco Ceva † (Bishop: 12 Jul 1683 to Aug 1700)
• Giovanni di Ceva † (Bishop: 13 Sep 1364 to 1380)
• Ambrogio Daffra †
• Gianpaolo della Chiesa †
• Tiberio della Torre † (Bishop: 11 Jul 1317 to 24 May 1325)
• Cosimo Dossena, B. † (Bishop: 27 Feb 1612 to 12 Mar 1620)
• Pio Bonifacio Fassati, O.P. † (Bishop: 27 Jun 1796 to 1803)
• Carlo Ferrari † (Priest: 29 Jun 1935 to 17 Apr 1952)
• Princivalle Fieschi † (Bishop: 24 May 1325 to 1348)
• Giovanni Francesco Fossati, O.S.B. † (Bishop: 23 May 1644 to 11 Mar 1653)
• Cesare Gambara † (Bishop: 22 Mar 1548 to 1591)
• Maffeo Gambara † (Bishop: 11 May 1592 to 1612)
• Uberto Gambara † (Bishop: 8 May 1528 to 22 Mar 1548)
• Pietro de Giorgi † (Bishop: 30 Mar 1394 to 15 Feb 1413)
• Simone Pietro Grassi † (Bishop: 22 Dec 1914 to 1 Nov 1934)
• Felix Ambrosio Guerra, S.D.B. †
• Carlo Alberto Guidobono Cavalchini †
• Francesco Guidobono Cavalchini †
• Gerardo Landriani † (Bishop: 1435 - Did Not Take Effect)
• Andrea Mariano Magrassi, O.S.B. †
• Fabrizio Marliani † (Bishop: 24 Apr 1475 to 15 Jan 1476)
• Michele Marliani † (Bishop: 9 Jan 1461 to 24 Apr 1475)
• Egisto Domenico Melchiori † (Bishop: 5 Dec 1934; Archbishop (Personal Title): 26 Feb 1949 to 2 Mar 1963)
• Giovanni Negri † (Bishop: 15 Apr 1833 to 19 Jan 1874)
• Gaétan Pasotti, S.D.B. †
• Carlo Maurizio Peiretti † (Bishop: 18 Jul 1783 to 18 Feb 1793)
• Carlo Perosi † (Priest: 8 Nov 1891 to 10 Feb 1928)
• Enrico Rampini † (Bishop: 10 May 1413 to 7 Jun 1435)
• Giulio Resta † (Bishop: 21 Feb 1701 to 11 Jan 1743)
• Francesco Rossi † (Bishop: 21 Apr 1963 to 29 Nov 1969)
• Carlo Settala † (Bishop: 18 Aug 1653 to 23 Apr 1682)
• Giorgio Torti † (Bishop: 1380 to 1385)
• Valentino Vailati † (Priest: 22 Aug 1937 to 8 Dec 1960)
• St. Luigi Versiglia, S.D.B. †
• Pietro Andrea (Pierre-André) Viganò, S.J. † (Auxiliary Bishop: 7 Jul 1913 to 30 Jun 1917)
• Giacomo Visconti † (Bishop: 2 Jul 1348 to 1363)
• Gian Domenico de Zazi † (Bishop: 20 Apr 1496 to 1528)
• Antonio † (Bishop: 28 Feb 1393)
• Pietro † (Bishop: 1111 to 30 May 1134)

Source(s)

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