In Trow’s New York city directory of 1859, there is a listing for "Rallings William, milliner, 318 Canal," presumably Mme. Rallings' husband (p. 656).
Alida C. Avery, born in New York in 1833, served Vassar as both professor of Physiology and Hygiene and campus physician.vcencyclopedia.vassar.edu/faculty/original-faculty/origin...
Photograph of F.A.B.M. Courtesy of Archives & Special Collections Library, Vassar College (Student Photograph Album #10, from Pamela A. Roberts, VC prep 1866-7)