Williamson is an English surname derived from the personal name William. It was originally used as a patronymic, indicating that the bearer was the son of someone named William. Today, Williamson is a common surname in the English-speaking world, particularly in the United States and Canada. Notable people with the surname Williamson include writer Tad Williams, footballer John Williamson, and musician Sonny Boy Williamson. The name has also been used in popular culture, such as in the character Jack Williamson in the TV show “Lost”.
