Born in Newark, NJ, on June 16, 1944. His Excellency, the Most Reverend Nicholas DiMarzio, attended the Immaculate Conception Seminary in Darlington, NJ, was ordained a Roman Catholic Priest in 1970; and named Prelate of Honor by Pope John Paul II in 1986.

In July of 1999, Bishop DiMarzio was appointed as the Sixth Bishop of Camden, New Jersey, and served there until October 2003, when he was installed as the Seventh Bishop of Brooklyn at Our Lady of Perpetual Help Basilica. Bishop DiMarzio has spent his ministry of over 40 years in the areas of immigration assistance and refugee resettlement services.