What is williamson surname origin?

Williamson is a Scottish and northern English surname, derived from the name William which means "strong-willed warrior". It was originally a patronymic, with the -son suffix indicating "son of William". The name has been in use since the Middle Ages, and there are several variations of the spelling, including Willimson, Wiliamson, and Willyamson. The name has spread throughout the world as a result of migration and globalization, and is now found in many countries. Notable people with the surname Williamson include the poet and novelist Dorothy Parker and the inventor and engineer John Ericsson.