How Many People Are Named Castyn?
people named Castyn are alive in the United States today (estimate)
About 1 in 21,361,553 people in the US has this name
Based on 16 babies named Castyn in Social Security records from 2014 to 2021, and the share of each birth year still alive in 2025.
Popularity Rank
💎💎 Very Rare
Population Percentage
Of US population
Peak Year
6 births
Trend
Stable (last 10 years)
⚧ Gender Distribution
All of the babies given the name Castyn in the records were boys.
👥 Age Distribution
The average person named Castyn alive today is about 7 years old, and 100% are under 30.
📈 Popularity Over Time
Castyn first appears in the records in 2014 and was given most often in 2019, to 6 babies. The last year it was given to at least 5 babies of one sex was 2021.
Babies given the name each year, 2014 to 2021
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