28 Irish Americans share the same Irish ancestor as President Obama. Just four years ago Obama learned of his Irish ancestor Falmouth Kearney who fled Ireland during the Great Famine and came to the United States.

Kearney had travelled on the 903-ton ship Marmion and arrived in New York harbor in March 1850 with 288 other Irish emigrants. He was travelling with his sister and her husband, Margaret and William Cleary.

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