Family name origins & meanings
- Muslim : from a personal name based on Arabic ra‛īs ‘leader’, also found in combinations such as Ra‛īs ud-Dīn ‘leader of religion’.
- German and Swiss German : from the personal name Ragiso, a pet form of any of the Germanic compound names beginning with the element rag-, a short form of ragin ‘advice’.
- German and Czech : Slavic spelling of German Reis.
- German and Czech : from an altered short form of the Biblical personal name Zacharias.