Castyn
Boy nameCastyn has been given to 16 babies in the U.S. since 2014. It peaked in 2019.
Popularity over time births per year, 1880–2025
Total babies
16
Peak year
2019 (6 babies)
Rank in 2025
Below top 1000
First recorded
2014
10-year trend
New / returning
Gender split
All boys
Names with a similar vibe
Same primary gender, peaked around the same years, and roughly as common as Castyn.
Sibling name ideas for Castyn
Same era and popularity as Castyn, avoiding matching initials or rhymes.
FAQ
How popular is the name Castyn?
Castyn has been given to 16 babies in the U.S. since 2014. It ranked below the top 1000 in 2025.
When did the name Castyn peak?
Castyn peaked in 2019, when 6 babies were given the name.
Is Castyn a girl or boy name?
Castyn is primarily a boy name (100% of babies named Castyn are boys).
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