Boy name origins & meanings
- Old Welsh : Enthusiastic
Family name origins & meanings
- Dutch : from the Germanic personal name Razo, a derivative of compound names with the first element rād ‘counsel’.
- German : from an old field name, ros, ras, meaning ‘swamp’. There is a stream called Rase near Göttingen, which may also be a source of the surname.
- German : from a short form of the personal name Erasmus (see Rasmus), or from a short form of a Slavic personal name with the first element rad. Compare Rasch 2.
- South German (Räse) : variant of Rass or Räss (see Ras 6).