Williamson
/ˈwɪl.jəm.sən/noun
A surname meaning "son of William."
Did you know?William ultimately comes from the Germanic name *Wilhelm*, built from elements meaning “will, desire” and “helmet, protection,” so the name carries the old warrior idea of “resolute protector.”
Etymological Timeline
Proto-Germanic
PGmc
*Wiljahelmaz
“A compound name built from the elements for "will, desire" and "helmet, protection".”
Old High German
OHG
Willahelm
“A personal name meaning "resolute helmet" or "will-protection".”
Old French
OF
Guillaume
“The French form of the personal name William.”
Middle English
ME
William
“A common given name in English.”
Middle English
ME
Williamson
“Literally "William's son," a patronymic surname.”