A surname of German/Yiddish origin; not a word with standard dictionary meaning.
From German/Yiddish 'kranz' meaning wreath or crown, used as a family surname. Like most surnames, it has roots in occupations or characteristics but functions as a proper noun.
German surnames like Krantz often come from objects (Kranz = wreath) or trades, and were eventually used to identify families—they're fossils of what our ancestors did for a living!
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