William Fleetwood Sheppard, Australian-British mathematician and statistician
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William Morgan Sheppard, British actor, sometimes credited as W. Morgan Sheppard or simply Morgan Sheppard
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William Henry Sheppard, African-American Presbyterian missionary famous for revealing Belgian atrocities in the Congo Free State
William Shakespeare | William Laud | William Blake | William | William III of England | William Morris | William McKinley | William Howard Taft | William Ewart Gladstone | William the Conqueror | William S. Burroughs | William Shatner | William Faulkner | William Randolph Hearst | William Wordsworth | William Tecumseh Sherman | William Hogarth | Prince William, Duke of Cambridge | William Penn | William Jennings Bryan | William Gibson | William Wilberforce | William James | William Makepeace Thackeray | Fort William | William Hanna | William Hague | William III | William Hurt | William Walton |
She was the only daughter of Rev. William Sheppard, Rector of Kilgefin Church in County Roscommon, Ireland.