MallowbyNames

Chastelyn

CHAS-tuh-lin · Modern combination of Chastity and names ending in -lyn, suggesting purity.

Peak popularity
2009
Usually for
Girls
Trend
Holding steady

Holding steady.

Popularity of Chastelyn since 2009

Babies named Chastelyn per year in U.S. Social Security records.

5010015020102020Most births 2009Girls
Data table (by decade)
DecadeGirls
2000s150
2010s8
2020s0

Meaning & origin

Chastelyn is a modern coinage that first entered U.S. birth records in 2009, reflecting a broader trend of creating feminine names by attaching the suffix -lyn to virtue or traditional names. Its peak year of use was 2009, the same year it first appeared, and its trajectory has remained stable since, with no significant rise or fall. The name has not had any recorded usage in top-ranking states, underscoring its rarity. Although derived from Chastity, a word with Latin roots meaning 'purity,' Chastelyn itself carries no historical or cultural weight beyond its late-2000s inception. It remains a rare choice, chosen by a small number of parents seeking a unique, feminine-sounding name.

Chastelyn is a modern invented name, blending the virtue name Chastity (from Latin castitas, meaning 'purity') with the popular suffix -lyn (derived from names like Lynn or Linda). It first appeared in U.S. records in 2009, reflecting a trend of creating distinctive feminine names by combining traditional elements. Its use remains very rare, with no recorded popularity outside occasional registrations.

Nicknames & variants

Nicknames: Chas, Chasty, Lyn

Variants: Chastelynn, Chastlyn, Chastelin

Sibling names for Chastelyn

Names that share Chastelyn's style, for a brother or sister.

A parent animal hugging its little one, the personalized name page

C is for Chastelyn, our favorite little girl.

C is for Chastelyn…”

In a Mallowby alphabet book, Chastelyn's letter becomes Chastelyn's page: hand-illustrated, printed hardcover or paperback, made just for them.

Make Chastelyn's book

Books for siblings or grandkids? The second book is 15% off.

Questions parents ask

What does the name Chastelyn mean?
Chastelyn is a modern name formed from Chastity, meaning 'purity,' plus the common suffix -lyn. It conveys an association with purity.
How popular is the name Chastelyn?
Chastelyn is extremely rare. It first appeared in U.S. birth records in 2009 and has not ranked in the top 1,000 names. As of 2025, it remains uncommon.
Is Chastelyn a girl's name?
Yes, Chastelyn is almost exclusively used for girls.