Diocese of

Trenton

USA USA

Continent: North America

Rite: Roman (Latin)

Type: Diocese Diocese

Name: Trenton / Trentonen(sis) (Latin)

Ecclesiastical Province: Newark

Neighbouring Dioceses: Camden (↙), Philadelphia (←), Metuchen (↑)

Depends on: Dicastery for Bishops

Websites:

Celebrations

Patron Saint: Assumption of Mary (August 15), Saint Robert Bellarmine (September 17)

Cathedral Dedication Anniversary: March 14

Liturgical Calendar 📅

History

Contact Info

Address: 701 Lawrenceville Rd., P.O. Box 5147, Trenton, NJ 08638, USA

Phone: +1 (609) 406-7400

Present Prelates

Bishop (2010.12.01 – ...):Bishop David Michael O’Connell, C.M. (71)Bishop David Michael O’Connell, C.M. (71)

Monsignors (86)

Ordinaries

Bishops of Trenton (Roman Rite)

Bishop David Michael O’Connell, C.M. (71)Bishop David Michael O’Connell, C.M. (71)
(2010.12.01 – ...)

Bishop of Trenton (USA)

Ministrare non ministrari

Born:1955.04.21 (Philadelphia, PA, USA)
Ordained Priest:1982.05.29
Consecrated Bishop:2010.07.30

Coadjutor Bishop of Trenton (USA) (2010.06.04 – 2010.12.01)

Bishop of Trenton (USA) (2010.12.01 – ...)

Bishop John Mortimer Fourette Smith
(1997.06.30 – 2010.12.01)

Servite Domino in lætitia / Serve the Lord in gladness

Born:1935.06.23 (Orange, NJ, USA)
Ordained Priest:1961.05.27
Consecrated Bishop:1988.01.25
Died:2019.01.22 (Lawrenceville, NJ, USA † 83)

Priest of Newark (USA) (1961.05.27 – 1987.11.20)

Titular Bishop of Tre Taverne (1987.11.20 – 1991.06.25)

Auxiliary Bishop of Newark (USA) (1987.11.20 – 1991.06.25)

Bishop of Pensacola–Tallahassee (USA) (1991.06.25 – 1995.11.21)

Coadjutor Bishop of Trenton (USA) (1995.11.21 – 1997.06.30)

Bishop of Trenton (USA) (1997.06.30 – 2010.12.01)

Bishop John Charles Reiss
(1980.03.11 – 1997.06.30)

Let us love one another

Born:1922.05.13 (Red Bank, NJ, USA)
Ordained Priest:1947.05.31
Consecrated Bishop:1967.12.12
Died:2012.03.04 († 89)

Priest of Trenton (USA) (1947.05.31 – 1967.10.21)

Titular Bishop of Simidicca (1967.10.21 – 1980.03.11)

Auxiliary Bishop of Trenton (USA) (1967.10.21 – 1980.03.11)

Bishop of Trenton (USA) (1980.03.11 – 1997.06.30)

Bishop George William Ahr
(1950.01.28 – 1979.06.23)

Maria spes mea

Born:1904.06.23 (Newark, NJ, USA)
Ordained Priest:1928.07.29
Consecrated Bishop:1950.03.20
Died:1993.05.05 (Lawrenceville, NJ, USA † 88)

Bishop of Trenton (USA) (1950.01.28 – 1979.06.23)

Bishop William Aloysius Griffin
(1940.05.21 – 1950.01.01)

Monstra te esse matrem

Born:1885.11.20 (Elizabeth, NJ, USA)
Ordained Priest:1910.08.15
Consecrated Bishop:1938.05.01
Died:1950.01.01 († 64)

Priest of Newark (USA) (1910.08.15 – 1938.02.26)

Auxiliary Bishop of Newark (USA) (1938.02.26 – 1940.05.21)

Bishop of Trenton (USA) (1940.05.21 – 1950.01.01)

Bishop Moses Elias Kiley (later Archbishop)
(1934.02.10 – 1940.01.01)

Ut sim fidelis

Born:1876.11.13 (Margaree, NS, Canada)
Ordained Priest:1911.06.10
Consecrated Bishop:1934.03.17
Died:1953.04.15 († 76)

Priest of Chicago (USA) (1911.06.10 – 1934.02.10)

Bishop of Trenton (USA) (1934.02.10 – 1940.01.01)

Metropolitan Archbishop of Milwaukee (USA) (1940.01.01 – 1953.04.15)

Bishop John Joseph McMahon
(1928.03.02 – 1932.12.31)

Nos novi per gratiam

Born:1875.09.27 (Hinsdale, NY, USA)
Ordained Priest:1900.05.20
Consecrated Bishop:1928.04.26
Died:1932.12.31 (Buffalo, NY, USA † 57)

Priest of Buffalo (USA) (1900.05.20 – 1928.03.02)

Bishop of Trenton (USA) (1928.03.02 – 1932.12.31)

Bishop Thomas Joseph Walsh (later Archbishop)
(1918.05.10 – 1928.03.02)

Funda nos in pace

Born:1873.12.06 (Parker’s Landing, PA, USA)
Ordained Priest:1900.01.27
Consecrated Bishop:1918.07.25
Died:1952.06.06 († 78)

Priest of Buffalo (USA) (1900.01.27 – 1918.05.10)

Bishop of Trenton (USA) (1918.05.10 – 1928.03.02)

Bishop of Newark (USA) (1928.03.02 – 1937.12.10)

Metropolitan Archbishop of Newark (USA) (1937.12.10 – 1952.06.06)

Bishop James Augustine McFaul
(1894.07.20 – 1917.06.16)

Gratia Dei sum id quod sum

Born:1850.06.06 (Larne, Ireland)
Ordained Priest:1877.05.26
Consecrated Bishop:1894.10.18
Died:1917.06.16 (Trenton, NJ, USA † 67)

Bishop of Trenton (USA) (1894.07.20 – 1917.06.16)

Bishop Michael Joseph O’Farrell
(1881.08.11 – 1894.04.02)

Sinite parvulos venire ad me

Born:1832.12.02 (Limerick, Ireland)
Ordained Priest:1855.08.18
Consecrated Bishop:1881.11.01
Died:1894.04.02 (Trenton, NJ, USA † 61)

Bishop of Trenton (USA) (1881.08.11 – 1894.04.02)

Former Prelates

Special Churches

Churches by City (130)

Camden (↙), Philadelphia (←), Metuchen (↑)

Statistics (2022.12.31)

Area: 5,584 km²

Population: 922,900 Catholics (43.3% of 2,132,200 total)

Pastoral Centres: 97 parishes

Personnel: 224 priests (192 diocesan, 32 religious), 253 deacons, 232 religious (81 brothers, 151 sisters), 10 seminarians

Population

Pastoral Centres

Priests

Deacons

Religious

Seminarians

Last updated on 2026.06.29

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