Britain's Queen Elizabeth II (C) and Irish President Michael D. Higgins (R) and Camilla Duchess of Cornwall arrive for the State Banquet during the Irish president's state visit in Windsor, on 08.04.14.
Barack Obama Though he's known as the first African American president, Barack Obama's ancestry reflects the American melting pot. His mother, Ann Dunham, was the descendent of Irish immigrants from Moneygall, Ireland, a tiny village near County Offaly. Obama's great-great-great-grandfather, Fulmuth Kearney, immigrated to America during the potato famine in 1850, when he was just 19 years old. In May 2011, Obama made a trip to Moneygall, where he was greeted by distant cousins and a…
A maternal ancestor, Thomas Fitzgerald, fled the rural County Limerick village of Bruff in western Ireland some time between 1846 and 1855, at the height of the potato famine. Around the same time, Patrick Kennedy, a cooper (a craftsman who makes and repairs wooden casks or tubs) in Dunganstown, County Wexford, fled the potato famine and set sail for America. He was JFK's great-grandfather, on his father's side. Both sides of Kennedy's family ended up in Boston, Massachusetts.
Michael Collins. Collins was a leader of the Irish Rebellion. Director of Intelligence during the rebellion, he later led the Irish Delegation in negotiations with the British to enact the Anglo-Irish Peace Treaty. Collins was assassinated in 1922 during the Irish Civil War: he was 32 years old.