Save Type Surname (from location & ornamental) Usage German, Jewish Pronounced Pron. /ˈʁaɪ̯s/(German) [key·simplify] Meaning & History From Middle High German ris meaning "twig, branch, bush", denoting a person who lived in an overgrown area. As a Jewish name it is ornamental. Related Names RoothrisUser SubmissionReis Categories nature, plants, trees