Rössler - a very usual name also in present Austria.
phonebook-results in austrian states: http://www.herold.at/telefonbuch/r%C3%B6ssler/
Niederösterreich (195)
Wien (144)
Steiermark (123)
Oberösterreich (62)
Kärnten (37)
Tirol (28)
Salzburg (16)
Burgenland (8)
Vorarlberg (4)
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in english: http://www.herold.at/en/telefonbuch/r%C3%B6ssler/
Lower Austria (195)
Vienna (144)
Styria (123)
Upper Austria (62)
Carinthia (37)
Tyrol (28)
Salzburg (16)
Burgenland (8)
Vorarlberg (4)