Bill Larkin (born 1928), Republican member of the New York State Senate
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Billy Stiles or William Larkin, American outlaw in the Old West
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William Thomas Larkin (1923–2006), Roman Catholic bishop of St. Petersburg, Florida
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William John Larkin (died 1885), New Zealand priest, Irish nationalist and newspaper proprietor
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 |
In state government the town is located in the 39th Senatorial District and represented by William Larkin (R-Cornwall-on-Hudson),