Family name origins & meanings
- German : occupational name for a wheelwright, from an agent derivative of Middle High German rat ‘wheel’.
- German : metonymic occupational name for a flour sifter or mill hand, from Middle High German reder ‘sieve’.
- German : occasionally an occupational name from Middle Low German rader ‘adviser’.
- German : from a Germanic personal name composed of the elements rād, rāt ‘advice’, ‘counsel’ + heri ‘army’.
- German : Americanized spelling of German Röder (see Roeder).