Boy name origins & meanings
- Norse : A wise leader
- Old English : Worthy protector
Family name origins & meanings
- English : from the Norman personal name Rainer, composed of the Germanic elements ragin ‘counsel’ + hari,heri ‘army’
- Jewish (Ashkenazic) : ornamental name from an inflected form of German rein or central Yiddish rayn‘pure’.
- Probably also an altered spelling of GermanReiner.