What does Castor mean?

Castor as a boys' name is of Greek origin, and the meaning of Castor is "beaver". In classical myth, along with Pollux, one of the heavenly twins immortalized in the constellation Gemini. They were considerd the patron gods of seafarers, appearing to them in Saint Elmo's fire.

STARTS/ENDS WITH Cas-, -or

ASSOCIATED WITH greek, classical (medieval), constellation (star), saint, fire

Variations

VARIANTS Caster, Castorio, Kastor

SEE ALSO Pollux

How popular is Castor?

Castor is an uncommon given name for males but a very popular surname for all people (#5944 out of 150436, Top 4%). (2000 U.S. CENSUS)

Similar Names

Castor is alike in pronunciation to Coster and Kester. Other suggested similar-sounding names are Alastor, Balfor (see Balfour), Baylor▲, Cabot, Cadmar, Cadog, Caesar, Caezar, Caio, Cairo▲, Camdon, Camron▼, Cannon▲, Canon, Canyon, Carlos, Carlow, Carlton▼, Carr, Carston, Carter▲, Cartier, Casar, Case▲, Casey▼, Cash▲, Casmir, Cason▲, Caspar, Casper, Cass, Cassio, Cato, Caxton, Cayto, Cesar, Chester▼, Cheston, Cleto, Colston, Colter, Colton▲, Connor, Conor▲, Cosmo, Cranston, Crayton, Easton▲, Ector, Factor, Gabor, Gaston, Gaynor, Hector, Landor, Major▲, Mansoor, Mayor, Mazor, Mentor, Nassor, Nestor, Radnor, Ragnor, Raynor, Sandor, Tailor, Talor, Tavor, Taybor, Taylor▼, Victor▼ and Viktor. These names tend to be more frequently used than Castor.