10. Thomas McNamee Mansion, Irvington
Theodore McNamee’s grand Hudson Valley mansion was the victim of real estate development in 1928. The land was sold and divided up in into 150 individual plots. Today, where McNamee’s mansion once stood is a residential area called Spiro Park.
McNamee was a principal at Bowne & McNamee, a leading New York City silk and dry goods exporter, in 1853 when he purchased his Irvington estate. It was called Rosedale. The architect is officially unknown but it has been speculated that Joseph Collins Wells designed the 18-room mansion. Wells had designed Bowne & McNamee’s silk warehouse in Manhattan.
Next, check out 13 Lost Mansions of the Gold Coast on Long Island