Byron Family History

English: habitational name from Byram in West Yorkshire or Byrom in Lancashire, both named with Old English b¯rum ‘at the cattle sheds’, dative plural of b¯re ‘byre’. This name and the variants Biron and Biram have occasionally been adopted as Jewish surnames, presumably as Americanized forms of Jewish names that cannot now be identified.

Source: Dictionary of American Family Names ©2013, Oxford University Press