This image shows the exterior of Roslyn, Long Island's Trinity Episcopal Church parish house that Katherine Alexandra Duer Mackay (US1797spouse1) built for the Church as a memorial to her father.
There are four images pertaining to the Church here in the Library, the first of which shows an artist's rendering of the interior of the Church, the second of which shows the exterior of the Church, the third of which is this one showing the Church parish house, and the fourth of which shows the interior of the Church.
See Harbor Hill, Clarence Hungerford Mackay's Mansion.