Given name & surname
Kastor
Kastor is a given name from Latin. It is used in Polish.
Meaning & origin
Where it comes from
Kastor comes from Latin, and ultimately from Ancient Greek.
Adapted from Wiktionary (CC BY-SA 4.0)
The story
Published U.S. birth records include this spelling as early as 2017. This is the earliest published observation available here, rather than a date for the name’s origin.
From dated birth records
Kastor through the years
- Babies since 1880
- 10
- 10 boys · 0 girls
- Most popular year
- 2017
- 5 babies
- 2025
- 0
- Outside the ranked list
- 2021–25 vs 2016–20
- —
- Too few births to compare
By the numbers
The most recent published U.S. birth count for boys is 5 in 2021. Later missing counts do not mean the name went unused. Published U.S. population figures for this spelling include 320 as a surname in 2020.
From Social Security birth records and U.S. Census name counts for this exact spelling. Other spellings are counted separately.
Kastor’s family of names
The ring: across languages.
Across languages 3
Equivalents and cognates in other languages, plus older forms it grew from.
People named Kastor
- Castor of RhodesGreek grammarian, rhetorician, and historian100 BC–100 BC
- Kastor NotterCyclist (1903-1950)
Listed by how widely each person is written about, which says nothing about the name itself.
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