Formerly Hazel Main House purchased by MHA Jan. 5, 1956. Moved to Seaport back street on Common Area. Reconstructed in 1957-1958 to be used by Mystic Seaport Stores, Inc. 1966.; Opened as curatorial exhibits for annual meeting 1966.; After completion of removal of MSS shops and offices curatorial shipyard offices of marine research offices 1967-1972; Model Makers - live exhibit - Quincy and Twing 1972; Cleaning and Maintenance moved from Hazlin House (administration) 1972; First floor opened as canteen (all vending machines temporary) 1975; Named for Mr. P.R. Mallory’s grandmother, Eunice Denison Clift, wife of Charles Henry Mallory and mother of Henry Rogers Mallory - married Cora Nellie Pynchon and parents of Cora Munson, Clifford Day and Philip Rogers Mallory