Family name origins & meanings
- German : topographic name for someone who lived at a place where wild roses grew (see Rose 1), with the suffix -er denoting an inhabitant.
- German (Röser) : habitational name from places called Rös, Roes, or Rösa in Bavaria, Rhineland, and Saxony, or a variant of Rosser.
- Swiss German (Röser) : from a short form of a Germanic personal name based on hrōd ‘renown’.
- English : unexplained.