Girl’s name · American English

Keilyn

How to say it: KAY-lin · /ˈkeɪlɪn/

Modern American invention blending Kay- and -lyn; no traditional meaning - follows Kaylin/Kaylyn trend.

Keilyn was the 2,713th most popular girls’ name in the United States in 2025, given to 30 babies (Social Security Administration). The 2020s are its busiest decade so far, its births are up 2.1-fold in ten years, and it is projected to slip to #2,735 by 2030.

Updated · SSA 2025 data, published May 2026 · How we compute these figures

#2,713for girls in 2025
1 in 24,377US babies
30born in 2025
#2,735projected for 2030
2020sits peak decade
under 1 in 200chance a classmate shares it

Key facts

Key facts about Keilyn
Rank among girls’ names, 2025#2,713
Babies born in 202530
Share of births1 in 24,377
Peak decade2020s
Change over 10 years×2.1
Projected rank for 2030 (estimate)#2,735

Sources: Social Security Administration (SSA). How we compute these figures.

Its life, decade by decade

Keilyn is a newcomer: almost all of its history is from the last forty years.

1900195020002020–25
Peak: 29 per million births, 2020s.

What goes with it

Parents who love Keilyn also love

Nicknames

  • Kay
  • Lynn

In the classroom

In a class of 25 children born in 2025, the chance that another child is called Keilyn is about under 1 in 200.

Around the world

This spelling is used in English, Spanish.

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