Given name

Cailynn

Cailynn is used as a given name.

Meaning & origin

A reliable meaning for Cailynn isn’t established in our sources yet. Rather than guess, we show what is recorded: how the name is used, how often, and the names it’s connected to.

The story

Published U.S. birth records include this spelling as early as 1990. This is the earliest published observation available here, rather than a date for the name’s origin.

From dated birth records

Cailynn through the years

Babies since 1880
1,183
0 boys · 1,183 girls
Most popular year
2009
68 babies
2025
17
#6,588 for girls
2021–25 vs 2016–20
−36%
Cooling
01020304020002025Highest share 201311
Cailynn in U.S. Social Security birth records, 1990–2025, per million girls born. Years with fewer than five births for a sex are not published and appear as zero. Use the arrow keys to step through years.

By the numbers

In 2025, this name appeared in 17 U.S. birth records for girls, ranking No. 6,588 among girls’ names. Average annual use for girls was 35.7% lower in 2021–2025 than in 2016–2020. Its largest published annual count for girls was 68 in 2009. Published U.S. population figures for this spelling include 904 as a first name in 2020.

From Social Security birth records and U.S. Census name counts for this exact spelling. Other spellings are counted separately.

Cailynn’s family of names

Cailynn may belong to the same name family as Cailyn. This is a tentative spelling connection.

Walk Cailynn’s family in the name graph

CailynnCailyn

The ring: nicknames and forms.

Hover or tab through the constellation to see how each name is related. Bigger dots are names more people in the U.S. share.

Nicknames & forms 1

Diminutives, pet forms, short forms and variants used alongside the name.

Similar names

If you love Cailynn, these share its style, era, origin or sound, from outside its own family.

Modern

Kaitin

0Not recently recorded

>99% girls

Modern

Kytalin

0Not recently recorded

>99% girls

Modern

Keili

11Very rare

>99% girls

Modern

Addylynn

11Very rareCooling

>99% girls

Modern

Jaylynn

“resembling a jaybird”

40UncommonCooling

7% boys · 93% girls

Modern

Kerrington

15Very rareCooling

9% boys · 91% girls

Modern

Anistin

0Not recently recorded

>99% girls

Sibling ideas

Names that share Cailynn’s feel without repeating its first letter or rhyming with it.

A brother for Cailynn

A sister for Cailynn