Total births
16
Boys' name · since 2014
Castyn
Castyn has 16 recorded births since 2014 in federal Social Security data, most heavily in 2019 -- full year-by-year trend, decade aggregates, and state rankings follow.
- 16
- total births
- 2014–2021
- years on record
- 2010s
- peak decade
- 69%
- born in that decade
16 boys have been named Castyn since 2014, though it isn't currently a top-ranked name.
According to the U.S. Social Security Administration, Castyn has been recorded 16 times among boys since 2014, though it is not among the currently most-used boys names, with its heaviest use in the 2010s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 2014 to 2021.
- 16 total births
- 2014–2021 years on record
- 2010s peak decade
- 69% born in that decade
Data updated Jul 2026
The verdict
16 boys have been named Castyn since 2014, peaking in the 2010s, last recorded in 2021.
- 16
- total births
- 2014–2021
- years on record
- 2010s
- peak decade
- 69%
- born in that decade
2010s
Peak decade
69% of everyone ever named Castyn was born in this single decade.
2019
Single peak year
6 babies were named Castyn in 2019 - its busiest year on record.
Castyn's usage pattern, beyond the headline number
Divide Castyn's SSA record in two at 2019 and the more recent half accounts for 69% of all births, the earlier half the remaining 31%, consistent with a name still gaining ground rather than fading. Its calmest year was 2014, with only 5 births recorded -- set against the 2019 peak of 6, that's the full swing in one name's fortunes.
Castyn at a glance
Last recorded 2021Peak year
2019
Current rank
Unranked
Active since
2014
Castyn popularity over time
Annual U.S. births registered with the Social Security Administration · 2014–2021
- Peak year (2019)
- 6
- Annual births at peak, across 8 years of records
Castyn by decade
Total births in each ten-year window, peak vs trough at a glance
2010s was Castyn's strongest decade.
11 babies received the name during that ten-year window, about 69% of all-time use.
Castyn births by decade
Total births in each ten-year window
- 2010s
2010s
11 births
- 2020s
2020s
5 births
What this shows Peak: 2010s at 11 births (69% of all-time use).
Frequently Asked Questions
How popular is the name Castyn? ▼
Since 2014, Social Security records show 16 babies named Castyn. The most recent recorded year was 2021. Its busiest year on record was 2019, with 6 births.
When was Castyn most popular? ▼
Castyn was most popular in the 2010s decade with 11 total births. The single peak year was 2019.
How long has the name Castyn been used? ▼
Castyn has been recorded in Social Security data since 2014, spanning 8 years of data through 2021.
What names are similar to Castyn? ▼
Names with a similar sound or spelling include Casey, Cash, Cason, Case, and 4 more. These share a common prefix and are also used for boys.
What to do with Castyn's data
- Castyn's usage has stayed within range of its 2010s decade-level peak (11 total births) through the 2020s (5) -- a comparatively stable name, not a fading trend.
- Weighing it against an alternative? Put two names side by side. Compare names
Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.
Keep exploring Castyn
Nearby Names Like Castyn
Names with a similar sound, spelling, or feel to Castyn
Casey Boy
#311 116,675 births
Cash Boy
#316 27,705 births
Cason Boy
#856 11,308 births
Case Boy
#724 9,926 births
Cassius Boy
#569 9,736 births
Compare Castyn side by side: Castyn vs Casey Castyn vs Cash Castyn vs Cason
Related Names
Names with a similar number of total births
Data Sources
Data as of July 2026. Source: U.S. Social Security Administration (SSA).
According to the Social Security Administration, this profile draws directly from the agency's public-use baby-name files (updated June 2026). See our methodology for the full extraction, aggregation, and privacy-suppression rules.
Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications, National Data, 2014–2021 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Castyn: Baby Name Since 2014 - 16 Births, Peak 2019." NameAlmanac. Accessed via https://namealmanac.com/name/castyn. Licensed CC BY-SA 4.0.
Name Almanac is rendered directly from the Social Security Administration's public baby-name files, no number is typed in by an editor. This profile for Castyn draws directly on SSA national and state-level files, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of July 2026.