The  surname Thomson is a patronymic surname meaning  SON OF THOMAS, derived from the Aramaic name meeaning TWIN. It is a common surname of English, Irish, and Scottish origin. The name is recoded in the Domesday book in the 11th Century and in the New world the name or a variant is first recorded in Plymouth, Massachusetts in 1620. Today there are more 65,000 than bearers of the surname Thomson living in The United States.