MallowbyNames

Kaysyn

KAY-sin · Of uncertain origin; likely a modern invented name.

2025 rank (boys)
#4,707
Babies named in 2025
21
Peak popularity
2025
2025 frequency
1 in 81,337 boys
Usually for
Boys
Trend
Rising since 2016

Rising since 2016, #4,707 for boys today.

Popularity of Kaysyn since 2016

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

714212020Most births 2025GirlsBoys
GirlsBoys
Data table (by decade)
DecadeGirlsBoys
2010s527
2020s585

Meaning & origin

Kaysyn is a modern American name that entered the baby naming landscape in the mid-2010s. With its first recorded appearance in 2016, the name has shown a steady upward trajectory, reaching its peak rank of 4,707 in 2025. Approximately 1 in 81,337 newborns received the name that year, reflecting its rare but growing appeal. The name's construction follows a pattern familiar in contemporary American naming: a phonetic base drawing on established sounds like 'Kays' or 'Cays' paired with the trendy '-yn' or '-en' suffix. Kaysyn has not yet appeared among the most popular names in any state, indicating its usage remains scattered. Its rise since 2016 suggests it may continue to gain gradual acceptance.

Kaysyn appears to be a modern coinage, probably derived from the popular sound of names like 'Cason' or 'Kayson' with the fashionable '-syn' suffix. It first appeared in the United States in the 2010s as a given name for boys. The name has no long historical or linguistic tradition.

Nicknames & variants

Nicknames: Kay, Kays

Sibling names for Kaysyn

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

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

K is for Kaysyn, our favorite little boy.

K is for Kaysyn…”

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

Make Kaysyn's book

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

Questions parents ask

What does the name Kaysyn mean?
Kaysyn is of uncertain meaning. It is likely a modern invented name, possibly derived from sounds in names like Cason or Kayson.
How popular is the name Kaysyn?
As of 2025, Kaysyn is a rare name in the United States, ranking 4707th. It was first recorded in 2016.
Is Kaysyn a boy's name or a girl's name?
Kaysyn is predominantly used as a boy's name in the United States.