Ireland. Grover Cleveland (Scotch-Irish and English) 22nd and 24th President, 1885-1889 and 1893-1897: Born in New Jersey, he was the maternal grandson of merchant Abner Neal, who emigrated from County Antrim in the 1790s. He is the only president to have served non-consecutive terms. Benjamin Harrison (Scottish, Scotch-Irish and English) 23rd President, 1889-1893: Through his mother, Elizabeth Irwin, his great x 5 grandfather, David Irvine, was born in Aberdeenshire, and emigrated to Ireland. William McKinley (Scottish and Scotch-Irish) 25th President, 1897-1901: His Scottish paternal great-great-great-great-grandfather, James McKinley, settled in Ireland in 1690. Theodore Roosevelt (Scottish, Scotch-Irish, Dutch, English & French) 26th President, 1901-1909: His maternal great-great-great-grandmother, Jean Stobo, emigrated to America from Scotland with her parents in 1699. William Howard Taft (Scotch-Irish and English) 27th President 1909-1913 Woodrow Wilson (Scottish and Scotch-Irish) 28th President, 1913-1921: His Scottish maternal grandparents from Paisley, Rev. Dr. Thomas Woodrow and Marion Williamson, emigrated to America in the 1830s. Throughout his career he reflected on the influence of his ancestral values on his constant quest for knowledge and fulfillment. Warren G. Harding (Scottish and English) 29th President 1921-1923: His paternal great-great grandmother, Lydia Crawford, was born in Midlothian. Franklin D. Roosevelt (Scottish, Dutch, English and French) 32nd President 1933-1945: His maternal great-great-great grandparents, James Murray and Barbara Bennett, were from Dumfriesshire and Roxburghshire. Harry S. Truman (Scottish, English and German) 33rd President 1945-1953: His paternal great-great-great-great-grandfather, Thomas Monteith, was a merchant from Glasgow. Lyndon B. Johnson (English, German and Scotch-Irish) 36th President, 1963-1969:: Richard Nixon (Scotch-Irish, Irish, English and German) 37th President, 1969-1974: The Nixon ancestors left Ulster in the mid-18th century; the Quaker Milhous family ties were with County Antrim and County Kildare. Gerald Ford (Scottish and English) 38th President 1974-1977: His maternal great-grandfather, Alexander Gardner, emigrated to Quebec from Kilmacolm in 1820. Jimmy Carter (Scottish, Scotch-Irish and English) 39th President 1977-1981: His paternal great x 6 grandfather, Adam Clinkskaill, was Scottish. Ronald Reagan (Irish, Scottish and English) 40th President 1981-1989: His great-grandfather, John Wilson, emigrated to North America from Paisley in 1832. George H. W. Bush (Scottish, Irish and English) 41st President 1989-1993: His maternal great-great-great-grandmother, Catherine Walker (née McLelland), was Scottish. Bill Clinton (Scottish, Irish and English) 42nd president 1993-2001: His father and mother were Old Stock Americans with family lineage tracing back to the colonial era. George W. Bush (Scottish, Irish and English) 43rd President 2001-2009: His great-great-great-great-grandmother, Catherine Walker (née