 Walker (1867-1919), the first African-American millionaire, is along the highway here.At the north end of the village of Irvington, a memorial to writer Washington Irving, after whom the village was renamed, marks the turnoff to his home at Sunnyside.Entering into the southern portion of Tarrytown, US 9 passes by historic Lydhurst mansion, a massive mansion built along the Hudson River built in the early 1800s.