From Wikipedia - Reading time: 2 min
Schiefer is a German-language surname and a metonymic occupational name for a roofer.[1][2] It may refer to:
Approximately 11,257 people bear this surname. Most prevalent in: Germany. Highest density in: Austria.
German And Jewish (Ashkenazic): Metonymic Occupational Name For A Roofer From Middle High German Schiver 'Splinter (Stone Or Wood)' Middle Low German Schiver 'Slate Shingle' German Schiefer 'Slate'. German (Lower Rhine): Variant Of Schaefer .