What origin is the name Castor?

Castor comes from greek naming traditions. Names from this origin often carry meanings tied to nature, virtues or heritage.

Is Castor a popular name?

Castor is very rare in official US birth records — fewer than 5 babies of this gender were given the name in any year we checked.

What are good sister names for Castor?

Names from the same greek tradition pair naturally with Castor — for example Sophia, Chloe, Sofia. You can browse more on our greek names page.

Castor

Q: Is Castor a rare name?

Yes. Castor does not appear in US Social Security birth records, which list every name given to at least 5 babies, so it is rare in the US.

Discover the meaning and origin of the name Castor

Castor

Boy

greek

2 syllables

Castor is a greek boy's name meaning "In Greek mythology, Castor was the twin brother of Pollux and Helen of Troy. The name itself is also the Greek word for beaver.".

Parents who choose Castor pick a boy name from the greek tradition, meaning "In Greek mythology, Castor was the twin brother of Pollux and Helen of Troy. The name itself is also the Greek word for beaver.". It has 2 syllables.

Origin: greek
Gender: Boy
Syllables: 2

Meaning compiled from public name lists.

Meaning

In Greek mythology, Castor was the twin brother of Pollux and Helen of Troy. The name itself is also the Greek word for beaver.

Popularity

Very rare in US records (source: US Social Security Administration birth records (best rank 2008–2017))

Quick answers about Castor

Very rare in US records

What does Castor mean?

Castor is a boy name of greek origin meaning "In Greek mythology, Castor was the twin brother of Pollux and Helen of Troy. The name itself is also the Greek word for beaver.".