
English: nickname from Middle English buc(ke) ‘male goat’ (Old English bucca) or a ‘male deer’ (Old English bucc). The goat was popularly associated with lecherous behaviour and the deer with timidity and speed. The surname may also be a shortened form of longer occupational names for example Roger le Bucmanger' ‘dealer in bucks or venison’ (Warwickshire 1221) or Walter Bucswayn perhaps ‘goatherd’ (Somerset 1327). English: topographic name for someone who lived near a prominent beech tree such as Peter atte Buk (Suffolk 1327) from Middle English buk ‘beech’ (from Old English bōc). German and Dutch (Limburg): from a personal name a short form of Burkhard (see Burkhart ). North German and Danish: nickname for a fat man from Middle Low German būk ‘belly’. Compare Bauch . German and Dutch (Limburg): variant of Bock . German: variant of Puck in the sense ‘defiant spiteful’ or ‘stubborn’.7: German: topographic name from the field name Buck ‘hill’.8: Germanized form of Sorbian Buk: topographic name from buk ‘beech-tree’.
Source: Dictionary of American Family Names 2nd edition, 2022
Project does not include variants