Leila Cook Barber was born January 4, 1903, in Chicago, Illinois, to parents Leila Cook and Courtenay Barber (1877โ1951).[4] Her father Courtenay Barber was active in many of the churches in Chicago including the Brotherhood of St. Andrew and served as a trustee of the Seabury Western Seminary.[5] Barber had two siblings.[5]
In 1931, Barber joined the Vassar College Art Department as their third art historian, where she remained until her retirement in 1968.[2] She served as the Chair of the Art Department from 1965 until 1968.[4] During her time at Vassar starting in 1935, she lived in Josselyn House, serving as the Head Resident and later as a House Fellow.[4][3]