He would later turn to an insurance business he was a partner in and run it until he became ill. Nighbor died of cancer on April 13, 1966 in Pembroke, Ontario at the age of 73.
==Poznejša kariera==Nighbor je po koncu igralske kariere prevzel trenersko taktirko IHL moštev Buffalo Bisons in London Tecumsehs ter nato še ECHL moštva New York Rovers.