Mary O'Brien Obituary
We are sad to announce that on March 29, 2021 we had to say goodbye to Mary O'Brien (Brentwood, Pennsylvania). Leave a sympathy message to the family in the guestbook on this memorial page of Mary O'Brien to show support.
She was predeceased by: her parents, Dennis O'Brien and Margaret O'Brien (Coyne); her brothers, Dennis and William O'Brien; and her nephews, Dennis and James O'Brien.
She is survived by: her sibling's children, Kathleen Williams, Constance Kocis, Patricia Glancy, William 'Billy O'Brien, Elaine Lesnak, Daniel O'Brien, Janet O'Brien, Judy O'Brien, Thomas O'Brien and Kevin O'Brien. She is also survived by 19 grandnieces and nephews and one great-grandniece.
Memorial contributions may be made to Merakey Allegheny Valley School- 1996 Ewings Mill Road, Coraopolis, PA 15108 who care for her nephew with special needs.
March 30, 2021
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