Philip's father, Gordon Stowell Hoffman, was of German descent. He also had Irish, English, Dutch and remote Polish roots.
Philip Seymour Hoffman was born on July 23, 1967, in Fairport, New York, United States. He was a son of Gordon Stowell Hoffman and Marilyn O'Connor (Loucks) Hoffman, who worked as an elementary school teacher before becoming a lawyer and eventually a family court judge.
Philip had one brother, Gordy Hoffman, and two sisters, Jill Hoffman and Emily Hoffman. When their parents divorced, Philip was nine years old at the time, the children were raised primarily by their mother.