The Walker House is a Queen Anne Revival private residence located in Garrison, New York that is listed on the National Register of Historical Places. It was built in 1885 by Samuel Sloan, a prominent 19th century railroad magnate, on the grounds of his own Garrison estate, Oulagisket. In 1894, Sloan gave the Walker House to his daughter, Elizabeth, and her husband, Joseph Walker, Jr., although it had been initially used by one of his sons, William S. Sloan. Sloan built it next to Wyndune, the house that he had built and given in 1883 to Elizabeth's older sister, Margaret, and her husband, Rev. Joseph Rankin Duryee. The Walker House, Oulagisket, and Wyndune all remain today as privately owned homes, monuments to a long-ago era in the history of the Hudson Valley. Samuel Sloan, a regular business partner and ally of J.P. Morgan, was a well-known railroad executive, developer, and builder during the second half of the nineteenth century, best known for his 32-year tenure as president and a director of the Delaware, Lackawanna and Western Railroad. As a prominent New York businessman, he also served as a director of a variety of other corporations, including Western Union Telegraph Company, United States Trust Company, Consolidated Gas Company, Farmers Loan and Trust Company, and the predecessor of what is today Citibank. His name is engraved in stone on the wall in the former Citibank headquarters at 55 Wall Street, and a large statue of him is located the Hoboken Terminal in Hoboken, New Jersey. His obituary in The New York Times said of him, "Samuel Sloan, Builder of Railroads: No name in the financial and railroad world is more closely identified with building of the great railroad systems which serve New York than that of Samuel Sloan" (obituary of Samuel Sloan, The New York Times, September 23, 1907). Garrison is located in the Hudson Valley approximately 40 miles north of New York City and sits in the middle of the Hudson Highlands, on the eastern bank of the Hudson River, directly across from West Point. As rail service increasingly developed north of New York City, some of its wealthiest and most prominent families began to build large, luxurious estates in and around Garrison and throughout the Hudson Valley, with the most affluent utilizing their own private rail cars to travel back and forth. Family names such as Morgan, Vanderbilt, Gould, Roosevelt,