Williamson Family History
Williamson Name 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 Swedish Wilhelmsson or Dutch and North German Willemsen all cognates of
Source: Dictionary of American Family Names 2nd edition, 2022