Diocese of

Ostia

Italy

Continent: West Europe

Rite: Roman (Latin)

Type: Diocese, Suburbicarian See

Area: 31 km²

Population: 15,170 Catholics (82.0% of 18,500 total) (2015)

Governed by: Papal See of Roma

Ecclesiastical Province: Roma

Neighbouring Dioceses: Porto–Santa Rufina (↑), Roma (↗), Albano (↘)

Depends on: Congregation for Bishops

Statistics: 2 parishes, 3 priests (1 diocesan, 2 religious), 14 lay religious (2 brothers, 12 sisters) (2015)

Notes: The Cardinal Dean of the College of Cardinals has been the Bishop of Ostia since 1150. The Vicar General for the Vicariate of Rome has been the Apostolic Administrator of Ostia since 1966.11.18.

History

300: Established as Diocese of Ostia / Ostien(sis) (Latin)
1150: Renamed as Diocese of Ostia–Velletri / Ostien(sis)–Velitern(us) (Latin) (gained territory from the suppressed Diocese of Velletri)
1914.05.05: Renamed as Diocese of Ostia (Italiano) / 奧斯蒂亞 (正體中文) / Ostien(sis) (Latin) (lost territory to establish Diocese of Velletri)
1948.05.22: Lost territory to Papal See of Roma
2012.07.17: Gained territory from Papal See of Roma

All Churches

Cathedral: Chiesa di Sant’Aurea a Ostia Antica, Borgo di Ostia Antica, Roma, Lazio
Church: Chiesa di San Carlo da Sezze, Macchia Palocco, Roma, Lazio
Church: Chiesa di San Timoteo a Casal Palocco, Casal Palocco, Roma, Lazio
Church: Chiesa di Sant’Agostino Vescovo, Borgo di Ostia Antica, Roma, Lazio

Porto–Santa Rufina (↑), Roma (↗), Albano (↘)

Present Prelates

Bishop:

vacant

Apostolic Administrator (2017.05.26 – ...):

Cardinal Angelo De Donatis (64)

Cardinal-Priest of S. Marco

Archpriest of Papal Archbasilica of St. John Lateran

Vicar General for the Vicariate of Rome of Roma (Italy)

Grand Chancellor of Pontifical Lateran University

Ordinaries

Bishops of Ostia (Roman Rite)

Cardinal Angelo De Donatis (64)
(Apostolic Administrator 2017.05.26 – ...)

Cardinal Agostino Vallini (78)
(Apostolic Administrator 2008.06.27 – 2017.05.26)

Cardinal Camillo Ruini (87)
(Apostolic Administrator 1991.07.01 – 2008.06.27)

Cardinal Ugo Poletti
(Apostolic Administrator 1973.03.26 – 1991.01.17)

Cardinal Angelo Dell’Acqua, O.Ss.C.A.
(Apostolic Administrator 1968.01.13 – 1972.08.27)

Cardinal Luigi Traglia
(Apostolic Administrator 1966.11.18 – 1968.01.09)

Cardinal Clemente Micara
(Apostolic Administrator 1962 – 1965.03.11)

Bishop Leonardo Patrasso de Guerrino (later Cardinal)
(Apostolic Administrator 1298.02.25 – 1299.02)

Former Prelates

Auxiliary Bishop: Bishop Tito Mancini (1960.12.22 – 1966)
Auxiliary Bishop: Bishop Pietro Villa, F.S.C.I. (1951 – 1960.11.13)
Auxiliary Bishop: Bishop Angelo Maria Filippo Sinibaldi (1904.12.13 – 1915.04.16)
Auxiliary Bishop: Bishop Giovanni Jannoni (1889.12.30 – 1904.09.18)
Auxiliary Bishop: Bishop Luigi Maria Canestrari (1886.01.15 – 1901.09.11)
Auxiliary Bishop: Bishop Francesco Giordani (1882.07.03 – 1887.11.25)
Auxiliary Bishop: Archbishop Elia Bianchi (1879.05.12 – 1889.09.07)
Auxiliary Bishop: Bishop Gesualdo Vitali (1852.09.27 – 1865.03.27)
Auxiliary Bishop: Bishop Antonio de Franci (1837.10.02 – 1852)
Auxiliary Bishop: Bishop Geraldo Maciotti (1807.03.23 – 1837?)
Auxiliary Bishop: Bishop Silvestro Scarani (1800.12.22 – 1807)
Auxiliary Bishop: Bishop Michele Argelati (1795.06.01 – 1800.08.11)
Auxiliary Bishop: Bishop Philippus Antonius Buffa, O.F.M. Conv. (1780.09.18 – 1794.11.10)
Auxiliary Bishop: Bishop Antonio Vigliarolo (1768.03.14 – 1780?)
Auxiliary Bishop: Bishop-elect Giovanni Carlo Antonelli (1752.05.15 – ?)
Auxiliary Bishop: Bishop Giovanni Carlo Bandi (later Cardinal) (1744.12.18 – 1752.03.20)
Auxiliary Bishop: Bishop Gioachino Maria de’ Oldo (1725.03.03 – 1726.01.28)
Auxiliary Bishop: Bishop Nicola Terzago (1718.01.24 – 1725.01.29)
Auxiliary Bishop: Bishop-elect Antonio Marinari, O. Carm. (1667.02.07 – ?)
Auxiliary Bishop: Bishop-elect Camillus Adriani (1639.05.16 – ?)
Auxiliary Bishop: Bishop Giuliano Viviani (1629.11.19 – 1639.05.02)
Auxiliary Bishop: Archbishop Vincentius Quatrimanus (1592.08.12 – ?)

as of 2018.10.16