Background
Hannigan, John David was born on August 3, 1947 in Portland, Maine, United States. Son of George Edward and Esther June (Gray) Hannigan.
Hannigan, John David was born on August 3, 1947 in Portland, Maine, United States. Son of George Edward and Esther June (Gray) Hannigan.
Supervisor operations control, International Paper Company, Hanover, Maryland., 1971-1984; customer service manager, Union Camp Corporation, Trenton, New Jersey, 1984-1986; sales representative, Metropolitan Company, Dayton, New Jersey, 1986-1987; sales representative, St. Joseph Paper Company, Baltimore, 1987-1988; packaging broker, Gray Company, Mitchellville, Maryland., since 1988.
With United States Army, 1965-1969, Vietnam. Member Mensa.
Married Claudia Elizabeth Balcerzak, April 28, 1979. Children: John David Junior, Nicole Marie, Julie Elizabeth.