Williamson Family History
Williamson Surname Meaning
English (Northern) and Scottish: from the Middle English personal name William + patronymic -son ‘son of William’. This surname is also found in Northern Ireland (Ulster) especially in Antrim.
Americanized form of Norwegian, Danish, and North German Wilhelmsen. It is also related to Swedish Wilhelmsson or Dutch and North German Willemsen, all cognates of the name.
Source: Dictionary of American Family Names 2nd edition, 2022
