The story
- Scottish Gaelic · calque ofMacTamhais“McTavish”
- English todayThompson
Variant of Thomson, from Tom + -son, originally meaning "son of Thomas". In some instances of people so named, a calque of Scottish Gaelic MacTamhais (“McTavish”); also an anglicisation of the Gaelic name MacTamhais, meaning "son of Thomas".
Words from the same roots
Etymology from Wiktionary, CC BY-SA 4.0.