Bishops of The Diocese of Trenton
- See footnote
- Michael J. O'Farrell (1881-1894); died
- James A. McFaul (1894-1917); died
- Thomas J. Walsh (1917-1928); appointed archbishop of Newark
- John J. McMahon (1928-1932); died
- Moses E. Kiley (1934-1940); appointed archbishop of Milwaukee
- William A. Griffin (1940-1950); died
- George W. Ahr (1950-1979); retired (apostolic administrator, 1979–80)
- John C. Reiss (1980-1997); retired and died in 2012
- John M. Smith (1997-2010); retired
- David M. O'Connell, C.M. (2010 to present)
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