relocated to his old school in Mercersburg, Pennsylvania), 'Old Buck' cherished his origins: "My Ulster blood is a priceless heritage". The Buchanans were originally from Deroran, near Omagh in County Tyrone where the ancestral home still stands. Buchanan also had pre-plantation Irish ancestry being a descendant of the O'Kanes from County Londonderry. Andrew Johnson (Irish & English) 17th President, 1865–69: His grandfather supposedly left Mounthill, near Larne in County Antrim around 1750 and settled in North Carolina he was of English ancestry. Andrew worked there as a tailor and ran a successful business in Greeneville, Tennessee, before being elected Vice-President. He became President following Abraham Lincoln's assassination. His Mother was Mary “Polly” McDonough of Irish ancestry 1782 Ulysses S. Grant (Possibly Irish, Scotch-Irish, English & Scottish) 18th President, 1869–77: The home of his maternal great-grandfather, John Simpson, at Dergenagh, County Tyrone, is the location for an exhibition on the eventful life of the victorious Civil War commander who served two terms as President. Grant visited his ancestral homeland in 1878. His grandmother was Rachel Kelley, the daughter of an Irish pioneer. Surname Kelly Chester A. Arthur (Scotch-Irish & English) 21st President, 1881–85: His election was the start of a quarter-century in which the White House was occupied by men of Ulster-Scots origins. His family left Dreen, near Cullybackey, County Antrim, in 1815. There is now an interpretive centre, alongside the Arthur Ancestral Home, devoted to his life and times. Grover Cleveland (Irish, Anglo-Irish) 22nd and 24th President, 1885–89 and 1893–97: 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. Stephen Grover Cleveland was born to Ann (née Neal) and Richard Falley Cleveland. Ann Neal was of Irish ancestry and Richard Falley Cleveland was of Anglo-Irish and English ancestry Benjamin Harrison (Scotch-Irish & English) 23rd President, 1889–93: His mother, Elizabeth Irwin, had Ulster-Scots roots through her two great-grandfathers, James Irwin and William McDowell. Harrison was born in Ohio and served as a brigadier general in the Union Army before embarking on a career in Indiana politics which led to the White House. William McKinley (Scotch-Irish & English) 25th President, 1897–1901: Born in Ohio, the descendant of a farmer from Conagher, near Ballymoney, County Antrim, he was proud of his ancestry and addressed one of the national Scotch-Irish congresses held