Name Profile
Castor
“One of the Dioscuri, Greek mythology” — Greek Mythology
BoyGreek Mythology2 syllables
About Castor
Castor appears in U.S. Social Security baby-name records. Castor has Greek Mythology origin. The name is commonly interpreted as "to excel, to shine."
Quick Facts
Popularity in the U.S.
Castor is not in the U.S. SSA top 1,000 for 2025 boys.
Trend chart unavailable for this name right now.
More Names Like Castor
Frequently Asked Questions
What does Castor mean?
Castor is commonly linked to the meaning One of the Dioscuri, Greek mythology and is associated with Greek Mythology roots.
Is Castor a popular baby name in the U.S.?
Castor is not in the U.S. SSA top 1,000 for 2025 boys.