Girls' name · since 2009

Chastelyn

Chastelyn has 158 recorded births since 2009 in federal Social Security data, most heavily in 2009 -- full year-by-year trend, decade aggregates, and state rankings follow.

158
total births
2009–2010
years on record
2000s
peak decade
95%
born in that decade

Chastelyn sits outside today's top ranks for girls, with 158 recorded since 2009.

Chastelyn has 158 recorded births among girls since 2009, per the U.S. Social Security Administration, though it falls outside today's most-used girls names, busiest in the 2000s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 2009 to 2010.

  • 158 total births
  • 2009–2010 years on record
  • 2000s peak decade
  • 95% born in that decade

Data updated Jul 2026

The verdict

158 girls have been named Chastelyn since 2009, peaking in the 2000s, last recorded in 2010.

158
total births
2009–2010
years on record
2000s
peak decade
95%
born in that decade
2000s
Peak decade

95% of everyone ever named Chastelyn was born in this single decade.

2009
Single peak year

150 babies were named Chastelyn in 2009 - its busiest year on record.

Chastelyn's usage pattern, beyond the headline number

Splitting Chastelyn's full recorded timeline at 2010, 5% of its total births fall in the more recent half of the record versus 95% in the earlier half -- the name was more prevalent in its earlier era than it is today. Its quietest year on record was 2010, with just 8 recorded births -- worth weighing against the 2009 peak of 150 to see the full range of the name's swing in popularity.

Chastelyn at a glance

Last recorded 2010

Total births

158

Since 2009

2 years of records

Peak year

2009

150 births that year

Strongest decade: 2000s

Current rank

Unranked

Outside the modern top-1,000

As of 2010

Active since

2009

Recorded for 2 years

Last year on file: 2010

Chastelyn popularity over time

Annual U.S. births registered with the Social Security Administration · 2009–2010

Last recorded 2010
Peak year (2009)
150
Annual births at peak, across 2 years of records
050100150200 20092010 8

Chastelyn by decade

Total births in each ten-year window, peak vs trough at a glance

2000s was Chastelyn's strongest decade.

150 babies received the name during that ten-year window, about 95% of all-time use.

Chastelyn births by decade

Total births in each ten-year window

births

What this shows Peak: 2000s at 150 births (95% of all-time use).

Source U.S. Social Security Administration · Baby Names As of July 2026

Chastelyn by state

Where Chastelyn concentrates geographically, total births since 2009

Geographically diffuse
Top 8 states by recorded births for the name Chastelyn
Rank State Visual share Births Share of total
#1 California
31 19.6%
#2 Texas
17 10.8%
#3 North Carolina
11 7.0%
#4 New Jersey
9 5.7%
#5 New York
9 5.7%
#6 Georgia
8 5.1%
#7 Arizona
6 3.8%
#8 Florida
5 3.2%
California share of Chastelyn's total US births 19.6%
Even split

31 of 158 births nationwide. Compared to a flat distribution across 8 reporting states.

Frequently Asked Questions

How popular is the name Chastelyn?
Chastelyn has been given to 158 babies in the U.S. since 2009, according to SSA data. Its last appearance in the data was 2010. 150 babies were born in 2009, its single highest year.
When was Chastelyn most popular?
Chastelyn was most popular in the 2000s decade with 150 total births. The single peak year was 2009.
Where is Chastelyn most popular?
The top states for the name Chastelyn are California (31 births), Texas (17 births), North Carolina (11 births).
How long has the name Chastelyn been used?
Chastelyn has been recorded in Social Security data since 2009, spanning 2 years of data through 2010.
What names are similar to Chastelyn?
Names with a similar sound or spelling include Charlotte, Charlene, Charlie, Charity, and 4 more. These share a common prefix and are also used for girls.

What to do with Chastelyn's data

  • Chastelyn's decade-level peak was the 2000s (150 total births); usage has since declined to 8 in the 2010s -- if you're weighing a "classic revival" angle, the trend line argues against it.
  • California records the most Chastelyns (31 births) -- see the full state breakdown if geography matters to your decision. California names
  • 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.

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, 2009–2010 (ssa.gov/oact/babynames).

State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).

Cite this page

NameAlmanac Editorial. "Chastelyn: Baby Name Since 2009 - 158 Births, Peak 2009." NameAlmanac. Accessed via https://namealmanac.com/name/chastelyn. 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 Chastelyn 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.