Steyr is in austrian state Upper-Austria:
http://maps.google.at/maps?hl=de&cp=5&gs_id=3q&x...
http://de.wikipedia.org/wiki/Steyr
http://en.wikipedia.org/wiki/Steyr
online-research: http://www.matricula-online.eu/?lang=en
>>> AT Österreich / Austria >>> AT-OOeLA Oberösterr. Landesarchiv >>> S-Z >>> (4 churches)
S74 Steyr-Christkindl
S76 Steyr-Gleink
S80 Steyr-St.Michael
S81 Steyr-Stadtpfarre
parishchurches in Steyr directly:
http://www.steyr.info/information/heiraten-in-steyr/kirchen-...

Vienna-research:
Tracing your Ancestors in Vienna - Some Guidelines
A service of the Municipal and Provincial Archives of Vienna
http://www.wien.gv.at/english/history/archives/ancestors.htm...