Castor Family History
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Castor Name Meaning
English: habitational name from places called Caistor, in Lincolnshire and Norfolk, Caister in Norfolk, or Castor in Cambridgeshire, all named with Old English cæster ‘Roman fort or town’.
Source: Dictionary of American Family Names ©2013, Oxford University Press
Similar surnames: Caston, Catton, Casler, Easton, Cason, Kastor, Easter, Claytor