Clan Thomson - Surname Origin

Thomson is a Scottish and English patronymic surname meaning "son of Thom, Thomp, Thompkin, or other diminutive of Thomas", itself dervied from the Aramaic תום or Tôm, meaning "twin". The Welsh surname is documented in Cheshire records before and after the 1066 Norman Conquest. Variations include Thomason, Thomasson, Thomerson, Thomoson, and others.