About the Orenstein surname
The surname Orenstein has a primarily toponymic formation. The surname form is consistent with German naming traditions, in which occupations, places, and personal names are common sources. This formation belongs to the broad group of surnames connected with a place or geographic feature. Families bearing the same surname may nevertheless come from different places when more than one locality produced a similar name.
Pronunciation:
O-ranch-tajn/ɔʁɑ̃ʃtajn/