Surety Company. Personal life In 1898, Harding was married to Dorothea Elizabeth Allen Barney (1871–1935). She was a daughter of Charles D. Barney and Laura (née Cooke) Barney, a daughter of Philadelphia financier Jay Cooke. They were the parents of four children: Charles Barney Harding (1899–1979), who married Marion Choate, a daughter of Joseph H. Choate Jr. Catherine Harding (1900–1990), who married polo player Lorillard Suffern Tailer, a son of Thomas Suffern Tailer (a son of Edward Neufville Tailer) and Maude (née Lorillard) Baring, Baroness Revelstoke (a daughter of Pierre Lorillard IV), in 1921. His younger half-brother was Rupert Baring, 4th Baron Revelstoke. Laura Barney Harding (1902–1994), a socialite and philanthropist who was a close friend of actress Katharine Hepburn. William Barclay Harding (1907–1967), who married Constance Fox, a granddaughter of Judge Morgan J. O'Brien, in 1929. They divorced in 1943 and he remarried to Mary Newbold (née Reed) Dodge. Harding died of influenza on January 4, 1929, at 955 Fifth Avenue, his townhouse in Manhattan (later replaced by a Rosario Candela designed apartment building). After a funeral at St. Bartholomew's Church on Park Avenue, he was buried at Saint Paul's Episcopal Churchyard in Elkins Park, Pennsylvania. He left his fortune to his family. His widow died in 1935. Art collection Harding "was long interested in art and devoted considerable of his time to the work of the Frick collection," and served as a trustee of the art that was bequeathed to New York City by his friend, Henry Clay Frick. In 1912, the Hardings returned to New York from Liverpool aboard the Mauretania after touring Egypt with Frick. Frick, who was supposed to sail with them, relinquished his berth at the last moment and decided to stay in London where he purchased two Paolo Veronese canvases, Allegory of Virtue and Vice and Allegory of Wisdom and Strength, for which Frick paid Knoedler & Co $200,000. They owned the Portrait of Mrs. Freeman Jr. by Sir Joshua Reynolds, Portrait of Margaretta Henrietta, Lady Hepburn (wife of Sir George Buchan-Hepburn) by Sir Henry Raeburn, St. Paul by Doménikos Theotokópoulos (known as El Greco), and Miss Julia Mott by Thomas Gainsborough In 1916, Harding purchased the 1810 portrait of Victor Guye by Francisco de Goya. In 1941, this painting, and others from his collection were sold in 1941 by his children via Parke-Bernet. The Goya portrait was bought by William Nelson Cromwell