Matinecock Farm

Factory Pond Road, Lattingtown & Locust Valley, Nassau County, New York

From 1957, this was the home of John William Mackay III (1905-1990), the heir to what remained of Harbor Hill, and his wife Gwen Rose (1908-2004).

This house is best associated with...

John William Mackay III

John William Mackay III, of Matinecock Farm, Long Island, New York


Josephine Gwendolyn Rose

Mrs "Gwen" (Rose) Mackay


Contributed by Mark Meredith on 13/03/2019 and last updated on 13/03/2019.


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