Robert Michael O'Brien Obituary

The passing of Robert Michael O'Brien (Philadelphia, Pennsylvania) occurred on July 18, 2026. Robert, born on May 8, 1953, is remembered by those who knew him. Leave a sympathy message to the family on the memorial page of Robert Michael O'Brien to pay them a last tribute.

He was predeceased by: his parents, Sarah and Dennis; and his brothers, Thomas, Dennis, Jr. (Sonny), Joseph and James.

He is survived by: his wife Teresa; his sons, Michael and Mark (Gladys); his grandchildren, Samantha, Hannah, Isabella and Mark, Jr.; his sister-in-law Dolores Frontino (Frank); his nieces, Patricia Cassar (James) and Denise O'Brien; and his brothers, William, Edward and Francis. He is also survived by many nieces and nephews.

In lieu of flowers, the family requests donations be made to the Glioblastoma Foundation, P.O.