Fitzpatrick, who also served as a Bucks County commissioner, worked during his time in Congress to establish the Washington Crossing National Cemetery. He decided against running for a fifth term in 2016. His brother, Brian, a former FBI agent, ran instead and won, and continues to hold the seat.
Fitzpatrick, of Levittown, is survived by his wife had six children.
In a statement, U.S. Sen. Pat Toomey said Fitzpatrick served the state and country with “great integrity, competence, and dignity.” Former Gov. Mark Schweiker called Fitzpatrick a fine public servant who “worked tirelessly to improve the lives of those he served.”