While in South Boston, he married Margaret Greig (born April 3, 1951), from East Boston, identical twin sister of Catherine Elizabeth Greig, wife of his brother Bobby. They had two sons, Paul Jr. and Sean McGonagle.
While living in South Boston, he wedded Margaret Greig (born April 3, 1951), a sibling of Catherine Elizabeth Greig from East Boston, whose husband was his brother Bobby. They had two sons, Paul Jr. and Sean McGonagle.