Diocese of Ostia, Italy

Rite: Roman (Latin)

Type: Diocese Diocese , Suburbicarian See

Name: Ostia (Italiano) / 奧斯蒂亞 (正體中文) / Ostien(sis) (Latin)

Governed by: Papal See of Roma

Ecclesiastical Province: Roma

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.

Celebrations

Patron Saint: Saint Augustine of Hippo

Liturgical Calendar (National) 📅

History

200: Established as Diocese of Ostia / Ostien(sis) (Latin) (became suffragan of Roma)
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

Present Prelates

Bishop:

vacant

Apostolic Administrator (2024.04.06 – ...):

Cardinal Baldassare Reina (54)

Cardinal-Priest of S. Maria Assunta e S. Giuseppe a Primavalle

Archpriest of Papal Archbasilica of Saint 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 Baldassare Reina (54)
(Apostolic Administrator 2024.04.06 – ...)

Cardinal Angelo De Donatis (70)
(Apostolic Administrator 2017.10.20 – 2024.04.06)

Cardinal Agostino Vallini (84)
(Apostolic Administrator 2008.06.27 – 2017.05.26)

Cardinal Camillo Ruini (93)
(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)

Saint Bishop Ciriaco di Ostia
(229? – 235)

Died:	235 🩸 (Ostia, Italy)
Feast:	08.23

Bishop of Ostia (Italy) (229? – 235)

Bishop. Companion of Saint Massimo di Ostia and Saint Archelao di Ostia. Martyr.

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 Antonio Marinari, O. Carm. (1667.02.07 – 1689.08.20)
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 – ?)

All Churches

Cathedral: Cattedrale 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

Churches by City (4)

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

Statistics (2022.12.31)

Area: 31 km²

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

Pastoral Centres: 2 parishes

Personnel: 1 deacon, 20 religious (20 sisters)