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Updated June 9, 2019

Family name origins & meanings

  • English : from a Middle English personal name Clac, which is from Old English Clacc or the Old Norse cognate Klakkr. As a personal name this is from a word meaning ‘lump’ and may have been used as a nickname for a large or thickset man. Reaney suggests that it could also be from clacker ‘chatterer’.

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