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Updated January 31, 2024

Table of contents

Boy name origins & meanings

  • Greek : Beaver

Boy name variations

How Popular Is The Name Castor

Family name origins & meanings

  • 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’.

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