Philadelphia, PA - Rev. William O'Brien, C.M., died March 14 in St. Catherine's Infirmary, located at St. Vincent's Seminary. He was the son of John and Margaret O'Brien, and brother of John and Dolores O'Brien.

With his deep devotion to the Blessed Mother, Fr. O'Brien provided leadership for 25 years in two Vincentian Marian Associations: executive director at Our Lady of Angels Association, Lewiston, NY; rector and spiritual director of the Miraculous Medal Shrine Basilica, Philadelphia.

A viewing will be held Thursday March 19 from 7-9PM and on Friday, March 20 from 9-10AM in the Community Chapel at St. Vincent's Seminary, followed by a Mass of Christian Burial at 10:30. Interment will be at 2PM at the Princeton Abbey and Cemetery in Princeton, NJ.

A viewing (wake) will be held from 7:00 PM to 9:00 PM on Thursday, March 19th at St. Vincent, 500 E. Chelten Ave., Philadelphia, PA.

A Mass of Christian Burial will be held at 10:30 AM on Friday, March 20th at St. Vincent, 500 E. Chelten Ave. Philadelphia, PA.