Claughan Family History
Claughan Surname Meaning
Possibly reduced from Mac Lachlainn with loss by haplology of the second internal l, see McLaughlin.
Reduced from a surname hypothetically Mac Lúcáin (diminutive of biblical Luke?) or Mac Luacháin from the obsolete personal name Lóchán or Luachán.
Source: The Oxford Dictionary of Family Names in Britain and Ireland, 2016
