Castor
Greek · Boy · 2 syllables
Popularity & facts
Relative popularity index, 2010–2025Popularity over time
Popularity indexHistorical popularity from 1880–2025 · US Social Security Administration data
About the name Castor
The name 'Castor' means "beaver" in Greek, derived from the Greek word *kastor* (κάστωρ).
This meaning was compiled with AI assistance and is awaiting community review. Know this name well? Help verify or improve it.
Etymology
The name 'Castor' means "beaver" in Greek, derived from the Greek word *kastor* (κάστωρ). It is most famously used in Greek and Roman mythology as one of the Dioscuri (twin brothers Castor and Pollux), and later adopted in Christian contexts as a saint's name, with notable historical use in ancient Sparta and among early Christian martyrs.
Castor currently ranks #4,734 in the United States as a boy's name. It reached its peak popularity around 2016.
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Sibling name ideas
Greco-Roman names that sit beautifully beside CastorSimilar names you might like
Names starting with CMore names starting with C
- Calista
- Cadet
- Cady
- Caelyn
- Calley
- Caitlan
- Callia
- Cadi
- Calle
- Caine
- Cabe
- Calan
- Cailey
- Callaghan
- Caimin
- Calogero
- Caeden
- Caelen
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