| Bishops of Trenton (Roman Rite) |
 Bishop David Michael O’Connell, C.M. (70)
(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 – ...) |
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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) |
| 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) |
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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) |
| 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) |
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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) |
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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) |
| Auxiliary Bishop of Newark (USA) (1938.02.26 – 1940.05.21) Bishop of Trenton (USA) (1940.05.21 – 1950.01.01) |
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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) |
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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) |
| Bishop of Trenton (USA) (1928.03.02 – 1932.12.31) |
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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) |
| 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) |
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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) |
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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) |
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Cathedral of St. Mary of the Assumption, Trenton, New Jersey 
Co-Cathedral of St. Robert Bellarmine, Freehold, New Jersey 
