Boothwyn is a census-designated place (CDP) in Delaware County, Pennsylvania, United States. The population was 4,933 at the 2010 census, down from 5,206 at the 2000 census. The census estimation for population circa 2019 is 6,115.

William John Clifton Haley was an American rock and roll musician. He is credited by many with first popularizing this form of music in the early 1950s with his group Bill Haley & His Comets and million-selling hits such as "Rock Around the Clock", "See You Later, Alligator", "Shake, Rattle and Roll", "Rocket 88", "Skinny Minnie", and "Razzle Dazzle". Haley has sold over 60 million records worldwide. In 1987, he was posthumously inducted into the Rock and Roll Hall of Fame.