A German and Dutch surname the Mueller family name come from the Old Germanic terms ‘mulinari’ and ‘muller’ which meant a miller.

Spelling variations for Mueller include Molner, Muellner, Miller, Muller, Muler, Milner and Mueler.

In the 18th and 19th century many German Mueller families left Germany and Austria and resettled in the United States in Pennsylvania and Michigan. Many changed the Mueller spelling to Miller.
In England a few locations have any Mueller populations. Most are in the city of London and neighboring areas of Surrey and Middlesex. In Wales the region of Glamorgan has many individuals with the Mueller surname.

Within the United States Mueller families primarily live in Wisconsin, Illinois, Minnesota, Iowa, Missouri, Ohio, New York and Texas.

Famous: Peter Mueller (professional hockey player), Cookie Mueller (film actress and writer), Gene Mueller (historian), Bill Mueller (professional baseball player), Gussie Mueller (musician), Hieronymus Mueller (19th century inventor of the Mueller Water Tapper) and Peter Mueller (speed skater and coach).