ESC 

Name Rank Total 

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2009

First Year

2010

Last Year

2009

Peak Year

#1516

Peak Rank

158

Total Count

2

Years Active

📖

## The Story of Chastelyn

Chastelyn first appeared in U.S. Social Security Administration records as a baby girl name in 2009, with 150 babies given the name that year. The name hit its high-water mark in 2009: 150 births, good for #1,516 nationwide. About 95% of every Chastelyn on record arrived during the 2000s, its defining decade. Chastelyn last appeared in the published SSA data in 2010, with 8 recorded births — it has not charted nationally since. All told, over 158 Americans have carried the name since 1880, from the 2000s to the 2020s.

## Popularity Over Time

## Popularity by State

ME

WA

MT

ND

MN

WI

MI

NY

VT

NH

MA

OR

ID

SD

IA

IL

IN

OH

PA

NJ

CT

RI

CA

NV

WY

NE

MO

KY

WV

VA

MD

DE

DC

UT

CO

KS

AR

TN

NC

SC

AK

AZ

NM

OK

LA

MS

AL

GA

HI

TX

FL

Top 10

11-50

51-100

101-500

500+

No data

🎶

## Names that sound like Chastelyn

Phonetically similar names — useful when Chastelyn is the vibe but a different syllable count or letter feel might suit better. Linked entries have a profile on Peek a Name. 

* Chastely
* Chatelain
* Chatelaine
* [Cheston](/cheston)
* Chiselling
* Gestation
* Shuttling
* Castellan
* Castellon
* [Chasteen](/chasteen)
* Castillon
* Gastelum

Source: [Datamuse ](https://www.datamuse.com/api/). Phonetic similarity ranking, not curated. 

❓

## Frequently Asked Questions about Chastelyn

What does the name Chastelyn mean?

Chastelyn is a girl's name that has been used in U.S. records since 2009\. Behind the Name doesn't list a specific etymology, but the name has remained in use across multiple decades.

How popular is Chastelyn in 2026?

In 2026, Chastelyn ranks #12,274 among girls' names in the U.S., with 8 babies given the name that year.

When was Chastelyn most popular?

Chastelyn reached its peak popularity in 2009, ranking #1,516 that year with 150 babies given the name.

In which U.S. states is Chastelyn most popular?

Chastelyn has historically been most popular in New Jersey, North Carolina, Arizona. Rankings vary year to year, but these states show the strongest concentration of births named Chastelyn.

Is Chastelyn a unisex name?

In U.S. Social Security records, Chastelyn is primarily a girl's name. We don't have meaningful data for it as a boy's name.

What names go well with Chastelyn?

Names that share a similar style or popularity range with Chastelyn include Daylin, Sada, Ellyn. These pairings are based on rank proximity and naming era in U.S. data.

## Similar Names

[👧DaylinPeak #1516](/daylin)[👧SadaPeak #1515](/sada)[👧EllynPeak #1517](/ellyn)[👧DeeannaPeak #1517](/deeanna)[👧ChevonPeak #1517](/chevon)[👧MarynPeak #1517](/maryn)[👧ShakitaPeak #1515](/shakita)[👧ChardaePeak #1515](/chardae)

## About the name Chastelyn 

Chastelyn is a girl baby name tracked by the U.S. Social Security Administration. It first appeared in SSA records in 2009 and has accumulated 158 births in the dataset. Chastelyn's peak popularity came in 2009 when it ranked #1,516\. Use the chart and map above to compare Chastelyn's trajectory across years and U.S. states, or browse the related names section to discover similar choices.

### Continue exploring 

* [ Top names of 2009 → ](/year/2009)
* [ Names of the 2000s → ](/decade/2000s)
* [ Names starting with "C" → ](/letter/c)
* [ Browse all girl names → ](/names/girls)
* [ Top names of 2026 → ](/year/2026)

Data sources

* Birth statistics (counts, ranks, years 1880–2026) — U.S. [Social Security Administration ](https://www.ssa.gov/oact/babynames/). Predictions for years not yet released by SSA are computed by Peek a Name from historical trends; we update with official data as soon as it ships.
* Etymology, cultural origins, and related forms — [Behind the Name ](https://www.behindthename.com/) (used under their public API terms).
* Meaning prose and editorial summary — [Wikipedia ](https://en.wikipedia.org/) article extracts, licensed under [CC BY-SA 3.0 ](https://creativecommons.org/licenses/by-sa/3.0/).
* Predicted nationality distribution — [Nationalize.io ](https://nationalize.io/).
* Phonetically similar names — [Datamuse ](https://www.datamuse.com/api/).

Peek a Name aggregates and presents the above data for informational purposes. Statistical predictions and external attributions are clearly labelled where shown; we make no guarantee of accuracy beyond what each source provides.