Patrick Ahern was born in New York City, studied for the priesthood at St. Joseph's Seminary in Yonkers and was ordained a priest of the Archdiocese of New York in 1945. He served as secretary to Cardinal Francis Spellman and was named Auxiliary Bishop in 1970, serving as Episcopal Vicar of the Bronx and Staten Island and later Vicar for Development for the Archdiocese of New York. Because of his leadership, the Seton Foundation for Learning in Staten Island was founded. He was influential in Pope John Paul II’s declaration of the Doctorate of St. Thérèse in 1997. His first book on St. Thérèse, Maurice and Thérèse: The Story of a Love, was published in 1998. Bishop Ahern died on March 19, 2011, soon after his 92nd Birthday.