Livingston Mills died at their residence in Paris, France, on October 13, 1920. Ogden Mills died of pneumonia on January 29, 1929, at the family home in New York City. Ogden Mills was buried with his wife at the mausoleum in St. James's Cemetery in Hyde Park, New York. Philanthropy Like his father, Ogden Mills was involved in a number of charitable causes and the Ogden Mills & Ruth Livingston Mills State Park encompasses their mansion at Staatsburg, New York, that is now Staatsburgh State Historic Site. Mills was instrumental in assisting the State of New York to erect a statue of Robert Livingston, his wife's great-great-great grandfather, into the National Statuary Hall Collection in Washington, D.C., highlighting him as one of the state's two most illustrious citizens. Descendants Through his eldest daughter, he was the grandfather of Barbara Phipps Janney and Ogden Phipps (1908–2002), and the great-grandfather Ogden Mills Phipps (1940–2016) and Cynthia Phipps, also major figures in horse racing. References Further reading 1857 births 1929 deaths Philanthropists from New York (state) People from Sacramento, California People from Staatsburg, New York People included in New York Society's Four Hundred Businesspeople from Sacramento, California