Family name origins & meanings
- Eastern German : from Sorbian, Polish, Czech, and Slovak rak ‘crab’, presumably applied as a nickname or possibly as a metonymic occupational name for someone who sold shellfish.
- German : nickname from Middle High German rac ‘taut’, ‘stretched’; ‘busy’, ‘free’.
- German : from a short form of any of various personal names beginning with Rac-.
- Shortened form of Dutch van Raak, a habitational name from any of various places named De Raak.