Thornhill is a surname of English origin, primarily tracing back to Lancashire and Yorkshire and taking its name from any of the nearby places also called Thornhill.https://www.familysearch.org/en/surname?surname=thornhillhttps://www.ancestry.com/name-origin?surname=thornhillhttps://www.houseofnames.com/thornhill-family-crest#Ireland-Migration
Notable people Real Alan Thornhill (1921–2020), English sculptor Arthur Thornhill (1850–1930), English politician Batt Thornhill (1911–1970), Irish hurler Charles Thornhill (1814–1881), English cricketer Claude Thornhill (1909–1965), American musician and bandleader Claude E. Thornhill (1893–1956), American college football player and coach Dorothy Thornhill (born 1955), English politician Frederick Thornhill (1846–1876), English cricketer George Thornhill (MP) (1783–1852), English politician George Thornhill (cricketer) (1811–1875), English cricketer James Thornhill (1675/6–1734), English painter Juan Thornhill (born 1996), American football player Leeroy Thornhill (born 1969), English musician Leonard W. Thornhill (1915–1942), American naval officer and pilot Lisa Thornhill (born 1962), American actress Matt Thornhill (born 1988), English footballer Michael Thornhill (1941–2022), Australian filmmaker Nina Thornhill (born 1953), English chemical engineer Pauline Thornhill, Canadian host and producer Roland Thornhill (born 1935), Canadian politician Siri Thornhill, Norwegian opera singer Thomas Thornhill (1837–1900), English politician William Thornhill (British Army officer) (17681851), British Army officer William Thornhill (MP for Poole) ( 15001557), English politician William Pole Thornhill (1807–1876), English politician and landowner
Fictional Ernest Thornhill, a fake identity used by an AI the series Person of Interest (2011–2016) Roger O. Thornhill, Cary Grant's character in the film North by Northwest (1959)
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