Mellon (1855–1937), banker, one of the longest-serving U.S. Treasury secretaries in history; namesake of the Andrew Mellon Building and Andrew W. Mellon Auditorium, both in Washington, D.C. Richard Beatty Mellon (1858–1933), banker, industrialist and philanthropist; married Jennie Taylor King William Larimer Mellon, Sr. (1868–1949), a founder of the Gulf Oil Corporation Richard King Mellon (1899–1970), financier, general, and philanthropist; married Constance Prosser McCaulley Sarah Mellon (1903–1965), heiress of investments in Mellon Bank, Gulf Oil and Alcoa; her husband was Alan Magee Scaife William Larimer Mellon, Jr. (1910–1989), founder of the Hôpital Albert Schweitzer Haiti Cordelia Scaife May (1928–2005), famous recluse and funder of multiple anti-immigration organizations Richard Mellon Scaife (1932–2014), the chief sponsor of the Heritage Foundation and publisher of the Pittsburgh Tribune-Review since 1970; first marriage was to Frances L. Gilmore (born December 2, 1934), second marriage was to Margaret "Ritchie" Battle (1947–2005) Timothy Mellon (b. 1942), chairman and majority owner of Pan Am Systems, a transportation holding company based in Portsmouth, New Hampshire James Ross ("Jay") Mellon II (b. 1942), author of books about Abraham Lincoln, slavery in America, and his family's founding patriarch, Thomas Mellon; he travels permanently in order to legally minimize taxes Christopher Mellon (b. 1958), Deputy Assistant Secretary of Defense for Intelligence in the Clinton and Bush Administrations; former minority staff director of the US Senate Select Committee on Intelligence, adjunct professor at Georgetown University; private equity investor; and former National Security Affairs Advisor at To the Stars Academy Matthew Taylor Mellon II (1964–2018), a chairman of the Republican Party Finance of New York and served as a regent director of finance for the Republican National Committee; founded or participated in multiple start-ups such as Jimmy Choo, Harrys of London, Hanley Mellon, Marquis Jets, Arrival Aviation and Challenge Capital Partners Mike Monroney (1902–1980), United States Senator from Oklahoma who wrote and sponsored legislation such as the Federal Aviation Act of 1958 and the Automobile Information Disclosure Act of 1958, the latter of which made him the namesake of the Monroney sticker; married to Mary Ellen Mellon of the Mellon family Members Thomas Mellon (1813–1908) ∞ 1843: Sarah Jane Negley (1817–1909) Thomas Alexander Mellon, Jr., (1844–1899) ∞ Mary C. Caldwell (1847–1902), the sister of Alexander Caldwell Thomas Alexander Mellon, III (1873–1948) ∞ Helen McLanahan Wightman (1871–1961) Edward Purcell Mellon, II ∞ Louise Grubbs Thomas Alexander Mellon, IV Helen S. Mellon (1914–2007) ∞ 1936: Adolph William