His maternal grandfather was Clarence Hyde Cooke (1876–1944), great grandparents Anna Rice Cooke (1853–1934) and Charles Montague Cooke (1849–1909), and great-great grandfathers include William Harrison Rice (1813–1863) and Amos Starr Cooke (1810–1871).
# William Harrison Rice Cooke (namesake of his father-in-law William Harrison Rice) was born in 1878 but died young in 1880.
William Shakespeare | William Laud | William Blake | William | William III of England | William Morris | George Harrison | 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 | Condoleezza Rice | William Hogarth | Prince William, Duke of Cambridge | Benjamin Harrison | Rice University | William Penn | Harrison Ford | William Jennings Bryan | William Gibson | Edgar Rice Burroughs | William Wilberforce | William James | William Makepeace Thackeray |