Marquis later took courses in economics at the University of Illinois and philosophy at Columbia University.<ref name=12/1943ArmyLife></ref> In 1931 she met and married Harry Goshen Marquis, a ginger-ale salesman at the time; it was a second marriage for each of them.<ref name=2/3/1943NewYorker></ref> Articles profiling his wife called him a New York businessman<ref name=1/28/1943FreePress></ref> and World War I veteran left home alone to carry on as she went off to war.