Hugh Carey wurde am 11 April 1919 in Park Slope, Brooklyn, New York City, New York, USA geboren. Er war mit Evangeline Gouletas und Helen Twohy verheiratet. Er starb am 7 August 2011 in Shelter Island, New York, USA.
Father of Susan Carey Dempsey and father-in-law of Martin J. Dempsey of Newtown, Pennsylvania. Grandfather of Susan Elizabeth Dempsey (born in 1979) and grandfather-in-law of Gerald Halloran III (born in 1978).