MallowbyNames

Kacelyn

KAY-sə-lin · Of uncertain origin, likely a modern invented name combining the popular sound of "Kay-" with the fashionable "-lyn" suffix.

2025 rank (girls)
#3,780
Babies named in 2025
39
Peak popularity
2025
2025 frequency
1 in 41,212 girls
Usually for
Girls
Trend
Rising since 2007

Rising since 2007, #3,780 for girls today.

Popularity of Kacelyn since 2001

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

13263920102020Most births 2025Girls
Data table (by decade)
DecadeGirls
2000s38
2010s102
2020s114

Meaning & origin

Kacelyn is a modern American invention that first appeared on the U.S. naming scene in 2001, and it has been rising in popularity since 2007. In 2025, it reached its peak year so far, ranking 3,780th with an incidence of 1 in every 41,212 births. The name is most common in the southern states, particularly Mississippi and Alabama. Its success reflects the broader trend of creative, phonetic names built from fashionable components like the "-lyn" suffix seen in names such as Jaylyn and Brynlyn.

Kacelyn is a modern American coinage, first appearing in the early 2000s. It blends the phonetic element "Kac-" (resembling names like Kacey or Kaitlyn) with the popular suffix "-lyn," which has been widely used in contemporary feminine names. The name has no historical or etymological precedent in older naming traditions.

Where Kacelyn is most popular

Births per 100,000 girls by state, 2025. The lightest shade means too few recorded births.

Nicknames & variants

Nicknames: Kace, Casey, Lyn, Kay

Variants: Kaselyn, Kacelynn, Kaislyn

Sibling names for Kacelyn

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

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

K is for Kacelyn, our favorite little girl.

K is for Kacelyn…”

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

Make Kacelyn's book

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

Questions parents ask

What does the name Kacelyn mean?
Kacelyn is a modern invented name with no established meaning; it was likely formed by combining the sound of "Kay-" with the suffix "-lyn," which is common in contemporary feminine names.
How popular is the name Kacelyn currently?
As of 2025, Kacelyn ranks 3,780th in the United States, with about 1 in every 41,212 newborn girls receiving the name. It has been rising in usage since 2007.
Is Kacelyn a boy or girl name?
Kacelyn is used almost exclusively for girls.