Family name origins & meanings
- German : probably from a reduced form of a personal name, which may be Gottfried or Gottschalk in eastern Germany, or from the Polish personal name Gaweł (from Latin Gallus), or, in southern Germany, from Latin Castulus meaning ‘the pure one’.
- Catalan : variant of the ethnic name Gasc, from gasc ‘Basque’. This surname is also established in southern France.