the mormons have some for Steffl:
http://www.familysearch.org/eng/default.aspyes, the name will have orgin at Stefan and will be of bavarian orgin. many bavarians (Bayern) settled in Bohemia also(Böhmen, Mähren).
just an interesting info too - the St. Stephans Cathedral in Vienna is called "Steffl" also.
"Der Wiener Stephansdom, weltberühmtes Bauwerk und Kulturgut, ist DAS österreichische Wahrzeichen. Viele Wienerinnen und Wiener besuchen „ihren Steffl” regelmäßig/ The St. Stephen's Cathedral, and world-famous monument heritage is THE Austrian landmark. Many Viennese visit "their Steffl" regularly."
http://www.stephansdom.at/http://de.wikipedia.org/wiki/Stephansdom_%28Wien%29