Thomson Family History
Thomson Name Meaning
Scottish English and northern Irish: variant of Thompson . Scottish: sometimes an Anglicized form of Gaelic McThomas; see McTavish McComish . Americanized form of Danish Norwegian and North German Thomsen . Compare Thompson . Americanized form (and a rare Swedish variant) of Swedish Thomsson a cognate of 3 above.
Source: Dictionary of American Family Names 2nd edition, 2022