On June 30, 1962, Houghton was married to May Tuckerman Kinnicutt at Christ Protestant Episcopal Church in
Cambridge, Massachusetts. May, a graduate of
St. Timothy's School and
Radcliffe College, was the daughter of Sybil (
née Jay) Kinnicutt and Francis Parker Kinnicutt, a niece of decorator
Sister Parish, and a direct descendant of both Chief Justice
John Jay and
John Jacob Astor. • James DeKay Houghton (b. ), a money manager who married Constance Bradstreet Coburn in December 1994. • Nina Bayard Houghton (b. ), who married Kent George Jr. in 1996. His wife is an author, who published a novel, under the name Maisie Houghton, entitled
Pitch Uncertain: A Mid-Century Middle Daughter Finds Her Voice in 2011. Houghton died on December 20, 2022. ==See also==