Eleanor Cross Marquand (15 Apr 1873– 27 Feb 1950) was an authority on the representation and symbolism of flowers and trees in art, particularly of floral emblems in the early Christian church.
In June 1896, she married Allan Marquand, then a professor at Princeton.
She was a founding member of the Hroswitha Club, a group for women bibliophiles.
Other civic activities included service in the Village Improvement Association and as a board member of the State Hospital in Trenton (now the Trenton Psychiatric Hospital.)
It consists of 408 volumes and a collection of notebooks, scrapbooks, photographs, seed and nursery catalogs, reprints, pamphlets and periodicals.