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Name meaning: Origin unidentified; possibly am American nickname from buffalo (the animal), perhaps denoting a large, powerfully built man.

Name origin: English and German

Name meaning: from a Germanic personal name, either a short form of compound names such as Billard, or else a byname Bill(a), from Old English bil ‘sword’, ‘halberd’ (or a Continental cognate). (Bill as a short form of William was not used until the 17th century.)